Αρχειοθήκη ιστολογίου

Κυριακή 27 Δεκεμβρίου 2015

OtoRhinoLaryngology & Medicine,New Articles,December 28th,2015

Mechanically Induced Tunable Pain and Associated Temporomandibular Joint Responses

Alexandros G. SfakianakisστοOtoRhinoLaryngology - Alexandros G. SfakianakisΠριν από 1 λεπτό
Development of a Rat Model of via Oral and Maxillofacial Surgery Publication date: January 2016 *Source:*Journal of Oral and Maxillofacial Surgery, Volume 74, Issue 1 Author(s): Sonia Kartha, Timothy Zhou, Eric J. Granquist, Beth A. Winkelstein PurposeAlthough mechanical overloading of the temporomandibular joint (TMJ) is implicated in TMJ osteoarthritis (OA) and orofacial pain, most experimental models of TMJ-OA induce only acute and resolving pain, which do not meaningfully simulate the pathomechanisms of TMJ-OA in patients with chronic pain. The aim of this study was to adapt an ex... περισσότερα »

Single-Dose of Pre-Emptive Pregabalin on Postoperative Pain and Opioid Consumption

Alexandros G. SfakianakisστοOtoRhinoLaryngology - Alexandros G. SfakianakisΠριν από 1 λεπτό
Effects of a Single-Dose of Pre-Emptive Pregabalin on Postoperative Pain and Opioid Consumption After Double-Jaw Surgery: A Randomized Controlled Trial via Oral and Maxillofacial Surgery Publication date: January 2016 *Source:*Journal of Oral and Maxillofacial Surgery, Volume 74, Issue 1 Author(s): Ali Ahiskalioglu, İlker İnce, Mehmet Aksoy, Ertan Yalcin, Elif Oral Ahiskalioglu, Adnan Kilinc PurposeThe effect of a single-dose of pre-emptive pregabalin is still unknown, although it is used as an adjuvant in controlling acute postoperative pain. The purpose of this study was to evaluate ... περισσότερα »

Facial Morphology : Temporomandibular Joint Disorders

Alexandros G. SfakianakisστοOtoRhinoLaryngology - Alexandros G. SfakianakisΠριν από 1 λεπτό
Temporomandibular Joint Disorders in Patients With Different Facial Morphology. A Systematic Review of the Literature via Oral and Maxillofacial Surgery Publication date: January 2016 *Source:*Journal of Oral and Maxillofacial Surgery, Volume 74, Issue 1 Author(s): Daniele Manfredini, Marzia Segù, Niki Arveda, Luca Lombardo, Giuseppe Siciliani, Alessandro Rossi, Luca Guarda-Nardini PurposeThe present article aimed to review systematically the literature on the relation between facial skeletal structures and temporomandibular joint (TMJ) disorders.Materials and MethodsA systematic search... περισσότερα »

Osteotomies Prepared With Er:YAG Laser

Alexandros G. SfakianakisστοOtoRhinoLaryngology - Alexandros G. SfakianakisΠριν από 3 δευτερόλεπτα
Evaluation of Bone Healing After Osteotomies Prepared With Er:YAG Laser in Contact and Noncontact Modes and Piezosurgery—An Animal Study via Oral and Maxillofacial Surgery Publication date: January 2016 *Source:*Journal of Oral and Maxillofacial Surgery, Volume 74, Issue 1 Author(s): Dragana Gabrić, Marko Blašković, Elizabeta Gjorgijevska, Mitko Mladenov, Blaž Tašič, Ivona Bago Jurič, Ticijana Ban PurposeTo analyze the healing of bone tissue treated with Er:YAG laser contact and noncontact modes of and piezosurgery in a rat model using triangular laser profilometry.Materials and Methods... περισσότερα »

Venous Thromboembolism After Oral Oncologic Surgery

Alexandros G. SfakianakisστοOtoRhinoLaryngology - Alexandros G. SfakianakisΠριν από 3 δευτερόλεπτα
Incidence of Venous Thromboembolism After Oral Oncologic Surgery With Simultaneous Reconstruction via Oral and Maxillofacial Surgery Publication date: January 2016 *Source:*Journal of Oral and Maxillofacial Surgery, Volume 74, Issue 1 Author(s): Yasumasa Kakei, Masaya Akashi, Takumi Hasegawa, Tsutomu Minamikawa, Satoshi Usami, Takahide Komori PurposePatients with oral cancer who undergo resection with simultaneous reconstruction are presumed to be at high risk for developing venous thromboembolism (VTE) according to current criteria. The primary purpose of this retrospective study was ... περισσότερα »

Low-Grade Fibromyxoid Sarcoma of the Maxilla

Alexandros G. SfakianakisστοOtoRhinoLaryngology - Alexandros G. SfakianakisΠριν από 6 δευτερόλεπτα
A Rare Pathology: via Oral and Maxillofacial Surgery Publication date: January 2016 *Source:*Journal of Oral and Maxillofacial Surgery, Volume 74, Issue 1 Author(s): Simon Spalthoff, Martin Bredt, Nils-Claudius Gellrich, Philipp Jehn Low-grade fibromyxoid sarcoma (LGFMS) is a rare tumor with a benign histologic appearance and fully malignant behavior. To date, only 5 cases of LGFMS in the maxillofacial region have been reported. This report describes the case of a 16-year-old boy who was referred to the authors' hospital with an intraosseous myxofibroblastic tumor, probably of the LGF...περισσότερα »

Local Full-Thickness Skin Grafts for Closure of Free Fibular Osteocutaneous Flap Donor Sites

Alexandros G. SfakianakisστοOtoRhinoLaryngology - Alexandros G. SfakianakisΠριν από 6 δευτερόλεπτα
Novel via Oral and Maxillofacial Surgery Publication date: January 2016 *Source:*Journal of Oral and Maxillofacial Surgery, Volume 74, Issue 1 Author(s): You-yuan Wang, Song Fan, Da-ming Zhang, Zhao-yu Lin, Wei-liang Chen, Jin-song Li PurposeThe fibular flap donor site after skin paddle harvest is usually covered with abdominal full-thickness skin grafts. However, this kind of skin graft creates an inevitable third operative area and additional esthetic damage. The aim of this report was to present a novel approach to manage fibular donor site defects using a full-thickness skin graft... περισσότερα »

The vascularized fibula bone graft for reconstruction of the mandible

Alexandros G. SfakianakisστοOtoRhinoLaryngology - Alexandros G. SfakianakisΠριν από 6 δευτερόλεπτα
Feasibility of the vascularized fibula bone graft for reconstruction of the mandible: a cadaveric study: The aim of this study was to assess the feasibility of the unilateral single-barrel vascularized fibula bone graft (VFBG) for the restoration of mandibular defects. Eighty-one dry mandibles and fibulas were used. Each mandible was marked to measure the total mandible length (TML) and maximum defect length (MDL) for each type of defect (HCH, H, L, C, HC, LC, LCL, HCL; Boyd's classification and angle to angle). The fibula length (FL) was measured. The maximum vascularized fibula le... περισσότερα »

Intramuscular innervations of lower leg skeletal muscles: applications in their clinical use in functional..

Αλέξανδρος ΣφακιανάκηςστοMedicine by Alexandros G. SfakianakisΠριν από 19 δευτερόλεπτα
Switch to one email a week Unsubscribe from daily digest Take advantage of our special Holiday Deal. Upgrade to Feedspot Gold for Lifetime at 89% off. Upgrade Now Surgical and Radiologic Anatomy Remove Intramuscular innervations of lower leg skeletal muscles: applications in their clinical use in functional muscular transfer 18 hours ago . Save . Twitter Abstract Purpose This study aims to investigate nerve distribution patterns of human lower leg skeletal muscles using a modified Sihler's staining method. Meth.. Read More → ScienceDirect Publication: Palaeogeography,... περισσότερα »

Quick Lane Bowl: CMU, Minn. coaches battled health issues – Detroit Free Press

KATV Quick Lane Bowl: CMU, Minn. coaches battled health issues Detroit Free Press Bonamego announced in June that he had cancer in his left tonsil, but he was able to keep coaching his team, and the Chippewas tied atop their division in the Mid-American Conference. They will play in the Quick Lane Bowl against Minnesota […]

Investigation of Cytotoxic T-lymphocyte antigen 4 (CTLA4) Polymorphisms in Gastric Cardia Adenocarcinoma

Abstract To assess the potential effects of Cytotoxic T-lymphocyte antigen 4 (CTLA4) gene polymorphisms on susceptibility to gastric cardia adenocarcinoma (GCA), we genotyped four polymorphisms (rs733618 A>G, rs16840252 C>T, rs231775 G>A and rs3087243 G>A) in CTLA4 and calculated odds ratios (ORs) with the corresponding 95% confidence intervals (95% CIs) for the genotype and allele distributions […]

Blockade of Interlukin-17 restrains the development of acute lung injury

Abstract The acute respiratory distress syndrome (ARDS), a clinical complication of severe acute lung injury (ALI) in humans, is a leading cause of morbidity and mortality in critically ill patients. Here we explored the association between IL-17 and development of ALI using LPS-induced murine model. We found that IL-17 level was elevated in bronchoalveolar lavage […]

Increased B regulatory phenotype in non-metastatic lymph nodes of node positive breast cancer patients

Abstract Tumor draining lymph nodes (TDLNs) are center in orchestrating the immune responses against cancer. The cellularity and lymphocyte subpopulations change in the process of cancer progression and lymph node involvement. B lymphocyte subsets and their function in breast cancer draining lymph nodes have not been well elucidated. Here, we studied the influence of tumor […]

Increased levels of interferon-inducible protein 10 (IP-10) in 22q11.2 Deletion Syndrome

Abstract The 22q11.2 deletion syndrome (22q11.2 DS), also known as DiGeorge syndrome, is a genetic disorder with an estimated incidence of 1:4000 births. These patients may suffer from affection of many organ systems with cardiac malformations, thymic hypoplasia or aplasia, hypoparathyroidism, palate anomalies and psychiatric disorders being the most frequent. The incidence of autoimmune diseases […]

Hämorrhoiden konservativ behandeln oder operieren?

Therapieoptionen Hämorrhoidalleiden zählen zu den häufigen Beschwerden in Industrieländern. Über 95% der Patienten können mit konservativen Maßnahmen versorgt werden. Wann kommt welche der zahlreichen Möglichkeiten für den Einzelnen infrage? from #Medicine-SfakianakisAlexandros via o.lakala70 on Inoreader http://ift.tt/1RNgEPL via IFTTT

Hämorrhoiden konservativ behandeln oder operieren?

Therapieoptionen Hämorrhoidalleiden zählen zu den häufigen Beschwerden in Industrieländern. Über 95% der Patienten können mit konservativen Maßnahmen versorgt werden. Wann kommt welche der zahlreichen Möglichkeiten für den Einzelnen infrage? from #Medicine-SfakianakisAlexandros via o.lakala70 on Inoreader http://ift.tt/1RNgEPL via IFTTT

Chemistry in glow discharges of H2 / O2 mixtures. Diagnostics and modelling

Plasma sources science & technology from #Medicine-SfakianakisAlexandros via o.lakala70 on Inoreader http://ift.tt/1Ud5Qby via IFTTT

Ion kinetics in Ar/H2 cold plasmas: the relevance of ArH+

RSC advances from #Medicine-SfakianakisAlexandros via o.lakala70 on Inoreader http://ift.tt/1Ud5PUU via IFTTT

Anemia

Anemia: The condition of having a lower-than-normal number of red blood cells or quantity of hemoglobin. Anemia diminishes the capacity of the blood to carry oxygen. Patients with anemia may feel tired, fatigue easily, appear pale, develop palpitations, and become short of breath. Children with chronic anemia are prone to infections and learning problems. The […]

Chemistry in glow discharges of H2 / O2 mixtures. Diagnostics and modelling

Plasma sources science & technology from #Medicine-SfakianakisAlexandros via o.lakala70 on Inoreader http://ift.tt/1Ud5Qby via IFTTT

Quality Indicators in Pituitary Surgery: A Need for Reliable and Valid assessments. What should be measured?

Abstract Engagement with improving the quality of clinical care is a key component of medical professionalism. Central to Quality Improvement (QI) agenda are the development of valid, reliable and accurate quality metrics. We can’t improve what we don’t measure. Pituitary surgery, which in the 21st century usually means trans-sphenoidal surgery (TSS), is unusual; it is […]

Ion kinetics in Ar/H2 cold plasmas: the relevance of ArH+

RSC advances from #Medicine-SfakianakisAlexandros via o.lakala70 on Inoreader http://ift.tt/1Ud5PUU via IFTTT

Association between lung capacity and abnormal glucose metabolism: Findings from China and Australia

Abstract Objective Restricted pulmonary function is found among people with diabetes. This study aimed to investigate the dose-response relationship between pulmonary function measurements (forced expiratory volume in one second (FEV1) and forced vital capacity (FVC)) and risk of metabolic syndrome (MS) /type 2 diabetes. Methods 1,454 adults in rural Victoria, Australia and 5,824 adults in […]

The importance of knowing the timing within the menstrual cycle in non-menopausal hypertensive women in the diagnostic workup for primary aldosteronism

Abstract We read with interest the paper by Ahmed el al (1), which demonstrates the importance of knowing the timing within the menstrual cycle when a diagnostic test is done for primary aldosteronism in non-menopausal women, reporting greater percentages of positive fludrocortisone suppression tests in the luteal compared to the follicular phase. Interestingly, a positive […]

Response to letter to the Editor

Abstract We thank the authors for their positive and insightful comments. The close agreement between their results and ours certainly adds weight to the findings and conclusions of our study. We also thank them for their proposed explanation concerning the discrepancy in reported results of in vitro studies assessing the effects of progesterone on aldosterone […]

The STAT3 pathway as a therapeutic target in head and neck cancer

Alexandros G. SfakianakisστοOtoRhinoLaryngology - Alexandros G. SfakianakisΠριν από 1 ώρα
The STAT3 pathway as a therapeutic target in head and neck cancer: Barriers and innovations: Proteins of the signal transducer and activator of transcription (STAT) family mediate cellular responses to cytokines and growth factors. Aberrant regulation of the STAT3 oncogene contributes to tumor formation and progression in many cancers, including head and neck squamous cell carcinoma (HNSCC), where hyperactivation of STAT3 is implicated in both treatment resistance and immune escape. There are no oncogenic gain-of-function mutations in HNSCC. Rather, aberrant STAT3 signaling is prima...περισσότερα »

Oral chronic Graft-versus-host disease (cGVHD) outcomes and resource utilization

Alexandros G. SfakianakisστοOtoRhinoLaryngology - Alexandros G. SfakianakisΠριν από 1 ώρα
Oral chronic GVHD outcomes and resource utilization: a subanalysis from the chronic GVHD consortium: Abstract Objectives This study evaluated the extent to which oral chronic graft-versus-host disease (cGVHD) consensus assessments are predictive of management across institutions with and without oral medicine (OM) centers, and whether ancillary care guidelines are followed within clinical practice. Methods Longitudinal oral cGVHD data were abstracted from the cGVHD Consortium and additional mouth-specific management data were analyzed across five transplant centers. Results Seventy-... περισσότερα »

Behavioral Analysis of Bitter Taste Perception

Alexandros G. SfakianakisστοOtoRhinoLaryngology - Alexandros G. SfakianakisΠριν από 1 ώρα
Behavioral Analysis of Bitter Taste Perception in Drosophila Larvae: Insect larvae, which recognize food sources through chemosensory cues, are a major source of global agricultural loss. Gustation is an important factor that determines feeding behavior, and the gustatory receptors (Grs) act as molecular receptors that recognize diverse chemicals in gustatory receptor neurons (GRNs). The behavior of *Drosophila* larvae is relatively simpler than the adult fly, and a gustatory receptor-to-neuron map was established in a previous study of the major external larval head sensory organs... περισσότερα »

Self-Reported Smell and Taste Alterations

Alexandros G. SfakianakisστοOtoRhinoLaryngology - Alexandros G. SfakianakisΠριν από 1 ώρα
Prevalence and Risk Factors of Self-Reported Smell and Taste Alterations: Results from the 2011-2012 US National Health and Nutrition Examination Survey (NHANES): Chemosensory problems challenge health through diminished ability to detect warning odors, consume a healthy diet, and maintain quality of life. We examined the prevalence and associated risk factors of self-reported chemosensory alterations in 3603 community-dwelling adults (aged 40+ years), from the nationally representative, US National Health and Nutrition Examination Survey (NHANES) 2011–2012. In this new NHANES com...περισσότερα »

The Olfactory, Nasal Trigeminal, and Ocular Trigeminal Detectability of Airborne Chemicals

Alexandros G. SfakianakisστοOtoRhinoLaryngology - Alexandros G. SfakianakisΠριν από 1 ώρα
Dose-Response Functions for the Olfactory, Nasal Trigeminal, and Ocular Trigeminal Detectability of Airborne Chemicals by Humans: We gathered from the literature 47 odor and 37 trigeminal (nasal and ocular) chemesthetic psychometric (i.e., detectability or dose–response) functions from a group of 41 chemicals. Vapors delivered were quantified by analytical methods. All functions were very well fitted by the sigmoid (logistic) equation: *y* = 1 / (1 + e{–(*x*–*C*)/*D*}), where parameter *C* quantifies the detection threshold concentration and parameter *D* the steepness of the funct... περισσότερα »

Rodents are strongly attracted to the taste(s) of maltodextrins. A first step toward discovery of the underlying genes involves identifying phenotypic differences

Alexandros G. SfakianakisστοOtoRhinoLaryngology - Alexandros G. SfakianakisΠριν από 1 ώρα
Maltodextrin Acceptance and Preference in Eight Mouse Strains: Rodents are strongly attracted to the taste(s) of maltodextrins. A first step toward discovery of the underlying genes involves identifying phenotypic differences among inbred strains of mice. To do this, we used 5-s brief-access tests and 48-h 2-bottle choice tests to survey the avidity for the maltodextrin, Maltrin M040, of mice from 8 inbred strains (129S1/SvImJ, A/J, CAST/EiJ, C57BL/6J, NOD/ShiLTJ, NZO/HlLtJ, PWK/PhJ, and WSB/EiJ). In brief-access tests, the CAST and PWK strains licked significantly less maltodextri...περισσότερα »

Arecoline Alters Taste Bud Cell Morphology

Alexandros G. SfakianakisστοOtoRhinoLaryngology - Alexandros G. SfakianakisΠριν από 1 ώρα
Arecoline Alters Taste Bud Cell Morphology, Reduces Body Weight, and Induces Behavioral Preference Changes in Gustatory Discrimination in C57BL/6 Mice: Arecoline, a major alkaloid in areca nuts, is involved in the pathogenesis of oral diseases. Mammalian taste buds are the structural unit for detecting taste stimuli in the oral cavity. The effects of arecoline on taste bud morphology are poorly understood. Arecoline was injected intraperitoneally (IP) into C57BL/6 mice twice daily for 1–4 weeks. After arecoline treatment, the vallate papillae were processed for electron microscopy... περισσότερα »

Olfactory Identification Patterns among Parkinsons Disease Patients

Alexandros G. SfakianakisστοOtoRhinoLaryngology - Alexandros G. SfakianakisΠριν από 1 ώρα
Comparison of Olfactory Identification Patterns among Parkinsons Disease Patients from Different Countries: Olfactory function assessment is an important screening tool and also may differentiate Parkinson’s disease (PD) patients from other parkinsonisms, including nondegenerative ones, such as, normal pressure hydrocephalus, vascular, drug induced, or infectious parkinsonism. Several authors in different countries have reported various sets of odors that best differentiate between these conditions. It is debated if distinctive patterns of "restrictive" or "selective" hyposmia in P... περισσότερα »

Human Chemosignals of Aggression

Alexandros G. SfakianakisστοOtoRhinoLaryngology - Alexandros G. SfakianakisΠριν από 1 ώρα
You Smell Dangerous: Communicating Fight Responses Through Human Chemosignals of Aggression: The ability to detect conspecifics that represent a potential harm for an individual represents a high survival benefit. Humans communicate socially relevant information using all sensory modalities, including the chemosensory systems. In study 1, we investigated whether the body odor of a stranger with the intention to harm serves as a chemosignal of aggression. Sixteen healthy male participants donated their body odor while engaging in a boxing session characterized by aggression-inductio...περισσότερα »

Enhancement of Odor-Induced Activity in the Brain by Zinc Nanoparticles

Alexandros G. SfakianakisστοOtoRhinoLaryngology - Alexandros G. SfakianakisΠριν από 1 ώρα
Enhancement of Odor-Induced Activity in the Canine Brain by Zinc Nanoparticles: A Functional MRI Study in Fully Unrestrained Conscious Dogs: Using noninvasive in vivo functional magnetic resonance imaging (fMRI), we demonstrate that the enhancement of odorant response of olfactory receptor neurons by zinc nanoparticles leads to increase in activity in olfaction-related and higher order areas of the dog brain. To study conscious dogs, we employed behavioral training and optical motion tracking for reducing head motion artifacts. We obtained brain activation maps from dogs in both an...περισσότερα »

Odorant Metabolism Analysis

Alexandros G. SfakianakisστοOtoRhinoLaryngology - Alexandros G. SfakianakisΠριν από 1 ώρα
Odorant Metabolism Analysis by an Automated Ex Vivo Headspace Gas-Chromatography Method: In the olfactory epithelium (OE), odorant metabolizing enzymes have the dual function of volatile component detoxification and active clearance of odorants from the perireceptor environment to respectively maintain the integrity of the tissues and the sensitivity of the detection. Although emphasized by recent studies, this enzymatic mechanism is poorly documented in mammals. Thus, olfactory metabolism has been characterized mainly in vitro and for a limited number of odorants. The automated ex... περισσότερα »

Salt and Fat Combinations on Taste Preference and Perception

Alexandros G. SfakianakisστοOtoRhinoLaryngology - Alexandros G. SfakianakisΠριν από 1 ώρα
Effects of Salt and Fat Combinations on Taste Preference and Perception: Fat and salt are a common and attractive combination in food and overconsumption of either is associated with negative health outcomes. The major aim was to investigate contributions and interactions of salt and fat on taste pleasantness and perception. The minor aim was to investigate individual fat taste sensitivity (detection threshold of oleic acid [C18:1]) on pleasantness for fat. In a complete factorial design, 49 participants (18–54 years, 12 males) tasted tomato soups with 4 different fat concentration...περισσότερα »

Fast detection of periodontal pathogens

Alexandros G. SfakianakisστοOtoRhinoLaryngology - Alexandros G. SfakianakisΠριν από 1 ώρα
Development of a point-of-care-device for fast detection of periodontal pathogens: Abstract BackgroundA number of pathogens can cause severe destruction of the periodontal apparatus during the course of periodontitis. The aim of this work was the development of a diagnostic device for the use at the point-of-need for the detection of periodontal pathogens to enable a personalized therapy for treatment of periodontitis. MethodsThis test system is based on the polymerase chain reaction of DNA isolated from periodontal pathogens and was examined to precisely detect species-specif... περισσότερα »

Blood and saliva expression profiles in chronic and refractory periodontitis patients

Alexandros G. SfakianakisστοOtoRhinoLaryngology - Alexandros G. SfakianakisΠριν από 1 ώρα
Comparative analysis of blood and saliva expression profiles in chronic and refractory periodontitis patients: Abstract BackgroundThis study aimed to identify characteristic representative genes through a comparative analysis of gene expression profiles in the blood and saliva of chronic periodontitis (CP) and refractory periodontitis (RP) patients to provide new treatment strategies that may be helpful in the treatment of different forms of periodontitis. MethodsGSE43525 was downloaded from Gene Expression Omnibus. In the dataset, thirteen samples were from blood including 4 c... περισσότερα »

The interactions between different tastes on initiation of reflex swallow elicited by electrical stimulation in humans

Alexandros G. SfakianakisστοOtoRhinoLaryngology - Alexandros G. SfakianakisΠριν από 1 ώρα
The interactions between different tastes on initiation of reflex swallow elicited by electrical stimulation in humans: AbstractThe act of eating is a source of pleasure for people and is a major factor in maintaining a good quality of life. Several types of products for dysphagia patients are available to decrease aspiration of food that often accompanies daily food intake. The final goal of these products is to improve the ease of forming a food bolus and/or the safety of the swallowing process; however, tastes of products are not a major concern with initiation of swallowing. In... περισσότερα »

Correction of nasal deformity in infants with unilateral cleft lip and palate

Alexandros G. SfakianakisστοOtoRhinoLaryngology - Alexandros G. SfakianakisΠριν από 1 ώρα
using multiple digital techniques via The Journal of Prosthetic Dentistry Publication date: Available online 24 December 2015 *Source:*The Journal of Prosthetic Dentistry Author(s): Yaqi Zheng, Dapeng Zhang, Tian Qin, Guofeng Wu Presurgical correction of severe nasal deformities before cheiloplasty is often recommended for infants with cleft lip and palate. This article describes an approach for the computer-aided design and fabrication of a nasal molding stent. A 3-dimensional photogrammetric system was used to obtain the shape information of the nosewing that was then built as the n...περισσότερα »

Equilibrium maintenance during single leg standing

Alexandros G. SfakianakisστοOtoRhinoLaryngology - Alexandros G. SfakianakisΠριν από 1 ώρα
Strategies for equilibrium maintenance during single leg standing on a wobble board via Gait & Posture Publication date: February 2016 *Source:*Gait & Posture, Volume 44 Author(s): Priscila de Brito Silva, Natalie Mrachacz-Kersting, Anderson Souza Oliveira, Uffe Laessoe, Uwe Gustav Kersting The aim of this study was to identify and compare movement strategies used to maintain balance while single leg standing on either a firm surface (FS) or on a wobble board (WB). In 17 healthy men, retroreflective markers were positioned on the xiphoid process and nondominant lateral malleolus to ca...περισσότερα »

Normal aging increases postural preparation errors

Alexandros G. SfakianakisστοOtoRhinoLaryngology - Alexandros G. SfakianakisΠριν από 1 ώρα
: Evidence from a two-choice response task with balance constraints via Gait & Posture Publication date: February 2016 *Source:*Gait & Posture, Volume 44 Author(s): Julius Verrel, Nina Lisofsky, Simone Kühn, Ulman Lindenberger Correlational studies indicate an association between age-related decline in balance and cognitive control, but these functions are rarely addressed within a single task. In this study, we investigate adult age differences in a two-choice response task with balance constraints under three levels of response conflict. Sixteen healthy young (20–30years) and 16 healt... περισσότερα »

3D displacement of the middle ear ossicles

Alexandros G. SfakianakisστοOtoRhinoLaryngology - Alexandros G. SfakianakisΠριν από 1 ώρα
in the quasi-static pressure regime using new X-ray stereoscopy technique via Hearing Research Publication date: Available online 23 December 2015 *Source:*Hearing Research Author(s): Wasil H.M. Salih, Joris J.A.M. Soons, Joris J.J. Dirckx A novel X-ray stereoscopy technique, using greyscale information obtained from moving markers, was used to study the 3D motion in both gerbil and rabbit middle ear ossicles in the quasi-static pressure regime. The motion can be measured without visually exposing the ossicles. The ossicles showed non-linear behaviour as a function of both pressure and...περισσότερα »

A single-ossicle ear

Alexandros G. SfakianakisστοOtoRhinoLaryngology - Alexandros G. SfakianakisΠριν από 1 ώρα
: acoustic response and mechanical properties measured in duck via Hearing Research Publication date: Available online 23 December 2015 *Source:*Hearing Research Author(s): Pieter G.G. Muyshondt, Joris A.M. Soons, Daniël De Greef, Felipe Pires, Peter Aerts, Joris J.J. Dirckx To date, the single-ossicle avian middle ear (ME) is poorly understood, despite its striking resemblance to the design of many currently used ossicular replacement prostheses. This study aims to improve comprehension of this system. The acoustic response and the mechanical properties of the mallard middle ear were ...περισσότερα »

The neural networks supporting intelligible speech processing

Alexandros G. SfakianakisστοOtoRhinoLaryngology - Alexandros G. SfakianakisΠριν από 1 ώρα
Acoustic richness modulates via Hearing Research Publication date: Available online 23 December 2015 *Source:*Hearing Research Author(s): Yune-Sang Lee, Nam Eun Min, Arthur Wingfield, Murray Grossman, Jonathan E. Peelle The information contained in a sensory signal plays a critical role in determining what neural processes are engaged. Here we used interleaved silent steady-state (ISSS) functional magnetic resonance imaging (fMRI) to explore how human listeners cope with different degrees of acoustic richness during auditory sentence comprehension. Twenty-six healthy young adults und... περισσότερα »

Simulating environmental and psychological acoustic factors of the operating room

Alexandros G. SfakianakisστοOtoRhinoLaryngology - Alexandros G. SfakianakisΠριν από 1 ώρα
Simulating environmental and psychological acoustic factors of the operating room: In this study, an operating room simulation environment was adapted to include quadraphonic speakers, which were used to recreate a composed clinical soundscape. To assess validity of the composed soundscape, several acoustic parameters of this simulated environment were acquired in the presence of alarms only, background noise only, or both. These parameters were also measured for comparison from size-matched operating rooms at Jackson Memorial Hospital. The parameters examined included sound level,... περισσότερα »

Mute Button For Tinitus

Alexandros G. SfakianakisστοOtoRhinoLaryngology - Alexandros G. SfakianakisΠριν από 1 ώρα
Mute Button For Tinitus: If you are searching for a mute button for tinitus, you are not alone. Tinnitus is one of the most bothersome auditory conditions that you may develop, and it affects millions of people each year. For many, the condition is characterized by a ringing sound, but the individual may also hear different sounds. These sounds include everything from a whirring sound to buzzing, static, chirping, whistling and more. These sounds may be heard throughout the day, making it difficult for many to go about their daily routine. For some, the condition may persist for ye... περισσότερα »

Chirp-Evoked Auditory Brainstem Response in Children

Alexandros G. SfakianakisστοOtoRhinoLaryngology - Alexandros G. SfakianakisΠριν από 1 ώρα
Chirp-Evoked Auditory Brainstem Response in Children: A Review: Purpose The aim of this study was to assess the use of the chirp stimulus to record auditory brainstem responses in the pediatric population via a traditional review. Method An electronic search of the literature and a hand search of the literature were conducted. Studies that utilized chirp stimuli within the pediatric population that met all of the inclusion criteria were included in this review. Qualitative synthesis and interpretation of the data were completed. Results Seven studies that met the inclusion crite... περισσότερα »

Test Condition on Speech Perception With Electric-Acoustic Stimulation

Alexandros G. SfakianakisστοOtoRhinoLaryngology - Alexandros G. SfakianakisΠριν από 1 ώρα
Influence of Test Condition on Speech Perception With Electric-Acoustic Stimulation: Purpose The goal of this work was to better understand speech perception for cochlear implant (CI) users with bilateral residual hearing, including consideration of effects related to listening conditions and test measures. Of interest was the role of acoustic hearing for speech perception in a complex background, the role of listening experience for CI-alone conditions, and whether performance with electric-acoustic stimulation (EAS) was improved by a contralateral hearing aid (HA). Method Eleve... περισσότερα »

Hearing Aid Use in the Classroom

Alexandros G. SfakianakisστοOtoRhinoLaryngology - Alexandros G. SfakianakisΠριν από 1 ώρα
Factors Influencing Hearing Aid Use in the Classroom: A Pilot Study: Purpose This pilot study examined factors influencing classroom hearing aid use in school-age children with hearing loss. Method The research team visited classrooms of 38 children with mild-to-moderate hearing loss (Grades 1–7) on 2 typical school days, twice per day, to document hearing aid use. In addition, parents reported the number of hours their children used hearing aids at school. Results Nearly 24% of children were observed not wearing their hearing aids in the classroom on either observation day. Both... περισσότερα »

Service Learning in Undergraduate Audiology Education

Alexandros G. SfakianakisστοOtoRhinoLaryngology - Alexandros G. SfakianakisΠριν από 1 ώρα
Service Learning in Undergraduate Audiology Education: Purpose The purpose of this study was to incorporate a service learning project in an undergraduate audiology course and evaluate how it affected student learning in the class. Method The study involved partnering with a group of students enrolled in a band learning community. Students in the audiology course learned about hearing assessment procedures in class and practiced the procedures on each other in labs. Toward the end of the semester, they assessed the hearing of the band students and provided counseling regarding the... περισσότερα »

Time of Onset of Hearing Loss (Childhood Versus Adulthood) and Self-Reported Hearing Handicap in Adults

Alexandros G. SfakianakisστοOtoRhinoLaryngology - Alexandros G. SfakianakisΠριν από 1 ώρα
No Association Between Time of Onset of Hearing Loss (Childhood Versus Adulthood) and Self-Reported Hearing Handicap in Adults: Purpose This study examined the association between time of onset of hearing loss (childhood vs. adulthood) and self-reported hearing handicap in adults. Methods This is a population-based cohort study of 2,024 adults (mean = 48 years) with hearing loss (binaural pure-tone average 0.5–4 kHz ≥ 20 dB HL) who completed a hearing handicap questionnaire. In childhood, the same persons ( N = 2,024) underwent audiometry in a school investigation (at ages 7, 10, a... περισσότερα »

Advancing Age on Auditory Middle- and Long-Latency Evoked Potentials Using a Steady-State-Response Approach

Alexandros G. SfakianakisστοOtoRhinoLaryngology - Alexandros G. SfakianakisΠριν από 1 ώρα
The Effect of Advancing Age on Auditory Middle- and Long-Latency Evoked Potentials Using a Steady-State-Response Approach: Purpose The purpose of the study was to objectively detect age-specific changes that occur in equivalent auditory steady-state responses (ASSRs), corresponding to transient middle- and long-latency auditory evoked potentials as a function of repetition rate and advancing age. Method The study included 48 healthy hearing adults who were equally divided into 3 groups by age: 20–39, 40–59, and 60–79 years. ASSRs were recorded at 7 repetition rates from 40 down to...περισσότερα »

Hearing Aid Self-Efficacy and Hearing Aid Satisfaction

Alexandros G. SfakianakisστοOtoRhinoLaryngology - Alexandros G. SfakianakisΠριν από 1 ώρα
The Relationship Between Hearing Aid Self-Efficacy and Hearing Aid Satisfaction: Purpose The purpose of this study was to investigate the relationship between self-efficacy for hearing aids (HAs) and satisfaction with HAs in a group of adult HA owners. Method Forty-seven adults acquiring HAs (new and experienced owners) completed a demographic questionnaire, the Hearing Handicap Questionnaire (Gatehouse & Noble, 2004), and received an audiometric evaluation prior to HA fitting. Twelve weeks following the completion of the HA fitting, they completed the Measure of Audiologic Rehab...περισσότερα »

Audiometric Thresholds: Stimulus Considerations in Sound Field and Under Earphones

Alexandros G. SfakianakisστοOtoRhinoLaryngology - Alexandros G. SfakianakisΠριν από 1 ώρα
Audiometric Thresholds: Stimulus Considerations in Sound Field and Under Earphones: Purpose This study evaluates a new stimulus, FREquency Specific Hearing assessment (FRESH) noise, to obtain hearing thresholds and reviews the potential pitfalls of using narrow band noise. Method Twelve adults with simulated gradually sloping hearing loss and 12 adults with steeply sloping hearing loss participated. Hearing thresholds were measured in sound field and under a supraaural earphone for FRESH noise, warbled tones, and narrowband noise. Pure-tone thresholds were also measured under the... περισσότερα »

Accelerometer-Determined Physical Activity: Considerations by Hearing Sensitivity

Alexandros G. SfakianakisστοOtoRhinoLaryngology - Alexandros G. SfakianakisΠριν από 1 ώρα
Accelerometer-Determined Physical Activity and Mortality in a National Prospective Cohort Study: Considerations by Hearing Sensitivity: Background Previous work demonstrates that hearing impairment and physical inactivity are associated with premature all-cause mortality. The purpose of this study was to discern whether increased physical activity among those with hearing impairment can produce survival benefits. Method Data from the 2003–2006 National Health and Nutrition Examination Survey were used, with follow-up through 2011. Physical activity was objectively measured over 7 ...περισσότερα »

Frequency Importance Functions in Quiet and Noise for Adults With Cochlear Implants

Alexandros G. SfakianakisστοOtoRhinoLaryngology - Alexandros G. SfakianakisΠριν από 1 ώρα
Frequency Importance Functions in Quiet and Noise for Adults With Cochlear Implants: Purpose Several studies have been devoted to understanding the frequency information available to adult users of cochlear implants when listening in quiet. The objective of this study was to construct frequency importance functions for a group of adults with cochlear implants and a group of adults with normal hearing both in quiet and in a +10 dB signal-to-noise ratio. Method Two groups of adults, 1 with cochlear implants and 1 with normal hearing, were asked to identify nonsense syllables in qui... περισσότερα »

Differences Among Patients That Make Their Tinnitus Worse or Better

Alexandros G. SfakianakisστοOtoRhinoLaryngology - Alexandros G. SfakianakisΠριν από 1 ώρα
Differences Among Patients That Make Their Tinnitus Worse or Better: Purpose Our objective was to identify activities that influence tinnitus and to determine if conditional probabilities exist among such variables. Method Two hundred fifty-eight patients were asked the following two questions: “When you have your tinnitus, which of the following makes it worse?” and “Which of the following reduces your tinnitus?” Results Things that made tinnitus better included noise (31%) and relaxation (15%). Things that made tinnitus worse included being in a quiet place (48%), stress (36%),... περισσότερα »

Retrospective Analysis of Decreasing the Use of Anesthesia in Pediatric Audiology: A Preliminary Study

Alexandros G. SfakianakisστοOtoRhinoLaryngology - Alexandros G. SfakianakisΠριν από 1 ώρα
Retrospective Analysis of Decreasing the Use of Anesthesia in Pediatric Audiology: A Preliminary Study: Purpose The purpose of this article is to analyze outcomes of processes aimed at reducing the need for use of anesthesia in evaluating pediatric hearing loss. Method A retrospective chart review was completed to assess how often a pediatric hearing evaluation was successful/not successful and auditory brainstem response (ABR) testing with anesthesia was avoided/required following review of orders for ABR testing with anesthesia. Results A total of 30% of the patients referred ...περισσότερα »

Reduction in High-Frequency Hearing Aid Gain Can Improve Performance in Patients With Contralateral Cochlear Implant: A Pilot Study

Alexandros G. SfakianakisστοOtoRhinoLaryngology - Alexandros G. SfakianakisΠριν από 1 ώρα
Reduction in High-Frequency Hearing Aid Gain Can Improve Performance in Patients With Contralateral Cochlear Implant: A Pilot Study: Purpose The purpose of this study was to determine whether an alternate fitting strategy, specifically adjustment to gains in a hearing aid (HA), would improve performance in patients who experienced poorer performance in the bimodal condition when the HA was fit to traditional targets. Method This study was a retrospective chart review from a local clinic population seen during a 6-month period. Participants included 6 users of bimodal stimulation. ... περισσότερα »

Guidelines for Audiologists on the Benefits and Limitations of Genetic Testing

Alexandros G. SfakianakisστοOtoRhinoLaryngology - Alexandros G. SfakianakisΠριν από 1 ώρα
Guidelines for Audiologists on the Benefits and Limitations of Genetic Testing: Purpose This tutorial provides information to aid audiologists in determining when a referral for a genetics evaluation is appropriate for a patient with hearing loss. Direction is given on discussing the benefits and limitations of genetic testing with parents of children with hearing loss. Method Genetic patterns of inheritance are reviewed, particularly in reference to syndromic and nonsyndromic forms of hearing loss. A review of pertinent literature was performed. Conclusion Audiologists are in a... περισσότερα »

Cortical and thalamic connectivity of the auditory anterior ectosylvian cortex of early-deaf

Alexandros G. SfakianakisστοOtoRhinoLaryngology - Alexandros G. SfakianakisΠριν από 1 ώρα
cats: Implications for neural mechanisms of crossmodal plasticity via Hearing Research Publication date: Available online 24 December 2015 *Source:*Hearing Research Author(s): M. Alex Meredith, H. Ruth Clemo, Sarah B. Corley, Nicole Chabot, Stephen G. Lomber Early hearing loss leads to crossmodal plasticity in regions of the cerebrum that are dominated by acoustical processing in hearing subjects. Until recently, little has been known of the connectional basis of this phenomenon. One region whose crossmodal properties are well-established is the auditory field of the anterior ectosylv...περισσότερα »

The paraflocculus on normal and abnormal spontaneous firing rates in the inferior colliculus

Alexandros G. SfakianakisστοOtoRhinoLaryngology - Alexandros G. SfakianakisΠριν από 1 ώρα
Influence of via Hearing Research Publication date: Available online 25 December 2015 *Source:*Hearing Research Author(s): Darryl P. Vogler, Donald Robertson, Wilhelmina H.A.M. Mulders Spontaneous firing rates of neurons in the central auditory pathway, such as in the inferior colliculus, are known to be increased after cochlear trauma. This so-called hyperactivity is thought to be involved in the generation of tinnitus, a phantom auditory perception. Recent research in an animal model suggests behavioural signs of tinnitus can be significantly reduced by silencing or removal of the p...περισσότερα »

Cochlear function related to acoustic stimulation of cervical vestibular evoked myogenic potential stimulation

Alexandros G. SfakianakisστοOtoRhinoLaryngology - Alexandros G. SfakianakisΠριν από 1 ώρα
Changes in via Hearing Research Publication date: Available online 25 December 2015 *Source:*Hearing Research Author(s): Anna-Karin Strömberg, Åke Olofsson, Magnus Westin, Maoli Duan, Stefan Stenfelt Evaluation of cervical evoked myogenic potentials (c-VEMP) is commonly applied in clinical investigations of patients with suspected neurotological symptoms. Short intense acoustic stimulation of peak levels close to 130 dB SPL is required to elicit the responses. A recent publication on bilateral significant sensorineural hearing loss related to extensive VEMP stimulation motivates eval...περισσότερα »

Treatment for Refractory Chronic Daily Headache

Alexandros G. SfakianakisστοOtoRhinoLaryngology - Alexandros G. SfakianakisΠριν από 1 ώρα
Update of Inpatient Treatment for Refractory Chronic Daily Headache: AbstractChronic daily headache (CDH) is a group of headache disorders, in which headaches occur daily or near-daily (>15 days per month) and last for more than 3 months. Important CDH subtypes include chronic migraine, chronic tension-type headache, hemicrania continua, and new daily persistent headache. Other headaches with shorter durations (<4 h/day) are usually not included in CDH. Common comorbidities of CDH are medication overuse headache and various psychiatric disorders, such as depression and anxiety. Ind... περισσότερα »

Castleman Disease of the Parotid Gland

Alexandros G. SfakianakisστοOtoRhinoLaryngology - Alexandros G. SfakianakisΠριν από 1 ώρα
Castleman Disease of the Parotid Gland: A Report of a Case: Castleman disease is an extremely rare benign lymphoproliferative disorder of unknown etiology. It affects the lymphatic chain in anybody region, although the commonest site is the mediastinum. The head and neck region is the second most common site; however, the salivary glands are rarely affected. We report a case of a 29-year-old Asian lady who presented with a 2-year history of an enlarging left parotid mass. Histopathology of the excisional biopsy confirmed the diagnosis of Castleman disease.

Temporal changes of antibiotic resistance genes and bacterial communities in two contrasting soils treated with cattle manure

Alexandros G. SfakianakisστοΛοίμωξηΠριν από 1 ώρα
The emerging environmental spread of antibiotic resistance genes (ARGs) and their subsequent acquisition by clinically-relevant microorganisms is a major threat to public health. Animal manure has been recognized as an important reservoir of ARGs, however, the dissemination of manure-derived ARGs and the impacts of manure application on the soil resistome remain obscure. Here, we conducted a microcosm study to assess the temporal succession of total bacteria and a broad-spectrum of ARGs in two contrasting soils following manure application from cattle which had not been treated wi...περισσότερα »

Abundance and potential metabolic activity of methanogens in well-aerated forest and grassland soils of an alpine region

Alexandros G. SfakianakisστοΛοίμωξηΠριν από 1 ώρα
Although methanogens were recently discovered to occur in aerated soils, alpine regions have not been extensively studied for their presence so far. Here, the abundance of archaea and the methanogenic guilds *Methanosarcinales*, *Methanococcales*, *Methanobacteriales*, *Methanomicrobiales*, and *Methanocella spp.* was studied at 16 coniferous forest and 14 grassland sites located at the montane and subalpine belts of the Northern Limestone Alps (calcareous) and the Austrian Central Alps (siliceous) using quantitative real-time PCR. Abundance of archaea, methanogens and the methano... περισσότερα »

Postoperative packing in FESS

Alexandros G. SfakianakisστοOtoRhinoLaryngology - Alexandros G. SfakianakisΠριν από 1 ώρα
How effective is postoperative packing in FESS patients? A critical analysis of published interventional studies: AbstractThe present study aimed to assess the clinical effectiveness of absorbable packing alone, non-absorbable packing alone, and absorbable versus non-absorbable packing in the postoperative care of FESS patients, regarding bleeding control, adhesion formation, wound healing, and overall patient comfort. Systematic literature review in Medline and other database sources until July 2013, and critical analysis of pooled data were conducted. Blinded prospective randomiz... περισσότερα »

Anemia

Anemia: The condition of having a lower-than-normal number of red blood cells or quantity of hemoglobin. Anemia diminishes the capacity of the blood to carry oxygen. Patients with anemia may feel tired, fatigue easily, appear pale, develop palpitations, and become short of breath. Children with chronic anemia are prone to infections and learning problems. The […]

Quality Indicators in Pituitary Surgery: A Need for Reliable and Valid assessments. What should be measured?

Abstract Engagement with improving the quality of clinical care is a key component of medical professionalism. Central to Quality Improvement (QI) agenda are the development of valid, reliable and accurate quality metrics. We can’t improve what we don’t measure. Pituitary surgery, which in the 21st century usually means trans-sphenoidal surgery (TSS), is unusual; it is […]

Association between lung capacity and abnormal glucose metabolism: Findings from China and Australia

Abstract Objective Restricted pulmonary function is found among people with diabetes. This study aimed to investigate the dose-response relationship between pulmonary function measurements (forced expiratory volume in one second (FEV1) and forced vital capacity (FVC)) and risk of metabolic syndrome (MS) /type 2 diabetes. Methods 1,454 adults in rural Victoria, Australia and 5,824 adults in […]

The importance of knowing the timing within the menstrual cycle in non-menopausal hypertensive women in the diagnostic workup for primary aldosteronism

Abstract We read with interest the paper by Ahmed el al (1), which demonstrates the importance of knowing the timing within the menstrual cycle when a diagnostic test is done for primary aldosteronism in non-menopausal women, reporting greater percentages of positive fludrocortisone suppression tests in the luteal compared to the follicular phase. Interestingly, a positive […]

Response to letter to the Editor

Abstract We thank the authors for their positive and insightful comments. The close agreement between their results and ours certainly adds weight to the findings and conclusions of our study. We also thank them for their proposed explanation concerning the discrepancy in reported results of in vitro studies assessing the effects of progesterone on aldosterone […]

Clinicians’ Perspectives on Managing Symptom Clusters in Advanced Cancer: A Semi-Structured Interview Study

Managing “symptom clusters,” or multiple concurrent symptoms in patients with advanced cancer remains a clinical challenge. The optimal processes constituting effective management of symptoms clusters remain uncertain. (Source: Journal of Pain and Symptom Management) from #Medicine-SfakianakisAlexandros via o.lakala70 on Inoreader http://ift.tt/1ProNpE via IFTTT

How Accurately Do Consecutive Cohort Audits Predict Phase III Multisite Clinical Trial Recruitment in Palliative Care?

Audits have been proposed for estimating possible recruitment rates to randomized controlled trials (RCTs) but few studies have compared audit data with subsequent recruitment rates. (Source: Journal of Pain and Symptom Management) from #Medicine-SfakianakisAlexandros via o.lakala70 on Inoreader http://ift.tt/1YHuOq0 via IFTTT

Oral chronic GVHD outcomes and resource utilization: a subanalysis from the chronic GVHD consortium

Abstract Objectives This study evaluated the extent to which oral chronic graft-versus-host disease (cGVHD) consensus assessments are predictive of management across institutions with and without oral medicine (OM) centers, and whether ancillary care guidelines are followed within clinical practice. Methods Longitudinal oral cGVHD data were abstracted from the cGVHD Consortium and additional mouth-specific management data […]

Clinicians’ Perspectives on Managing Symptom Clusters in Advanced Cancer: A Semi-Structured Interview Study

Managing “symptom clusters,” or multiple concurrent symptoms in patients with advanced cancer remains a clinical challenge. The optimal processes constituting effective management of symptoms clusters remain uncertain. (Source: Journal of Pain and Symptom Management) from #Medicine-SfakianakisAlexandros via o.lakala70 on Inoreader http://ift.tt/1ProNpE via IFTTT

How Accurately Do Consecutive Cohort Audits Predict Phase III Multisite Clinical Trial Recruitment in Palliative Care?

Audits have been proposed for estimating possible recruitment rates to randomized controlled trials (RCTs) but few studies have compared audit data with subsequent recruitment rates. (Source: Journal of Pain and Symptom Management) from #Medicine-SfakianakisAlexandros via o.lakala70 on Inoreader http://ift.tt/1YHuOq0 via IFTTT

Anemia

Anemia: The condition of having a lower-than-normal number of red blood cells or quantity of hemoglobin. Anemia diminishes the capacity of the blood to carry oxygen. Patients with anemia may feel tired, fatigue easily, appear pale, develop palpitations, and become short of breath. Children with chronic anemia are prone to infections and learning problems. The […]

Quality Indicators in Pituitary Surgery: A Need for Reliable and Valid assessments. What should be measured?

Abstract Engagement with improving the quality of clinical care is a key component of medical professionalism. Central to Quality Improvement (QI) agenda are the development of valid, reliable and accurate quality metrics. We can’t improve what we don’t measure. Pituitary surgery, which in the 21st century usually means trans-sphenoidal surgery (TSS), is unusual; it is […]

Association between lung capacity and abnormal glucose metabolism: Findings from China and Australia

Abstract Objective Restricted pulmonary function is found among people with diabetes. This study aimed to investigate the dose-response relationship between pulmonary function measurements (forced expiratory volume in one second (FEV1) and forced vital capacity (FVC)) and risk of metabolic syndrome (MS) /type 2 diabetes. Methods 1,454 adults in rural Victoria, Australia and 5,824 adults in […]

The importance of knowing the timing within the menstrual cycle in non-menopausal hypertensive women in the diagnostic workup for primary aldosteronism

Abstract We read with interest the paper by Ahmed el al (1), which demonstrates the importance of knowing the timing within the menstrual cycle when a diagnostic test is done for primary aldosteronism in non-menopausal women, reporting greater percentages of positive fludrocortisone suppression tests in the luteal compared to the follicular phase. Interestingly, a positive […]

Response to letter to the Editor

Abstract We thank the authors for their positive and insightful comments. The close agreement between their results and ours certainly adds weight to the findings and conclusions of our study. We also thank them for their proposed explanation concerning the discrepancy in reported results of in vitro studies assessing the effects of progesterone on aldosterone […]

BenFred: Strauss befriended an intern – STLtoday.com

STLtoday.com BenFred: Strauss befriended an intern STLtoday.com If Strauss’ tongue was ever tied, I never saw it. Before Knight could begin his favorite activity outside of coaching college … He didn’t talk about the cancer much, at least not to me. The last time was the first time he brought it up. This was a […]

Identification of the regions involved in phonological assembly using a novel paradigm

Brain and Language from #Medicine-Sfakianakis via simeraentaxei on Inoreader http://ift.tt/1UcWYTe via IFTTT from #Med Blogs by Alexandros G.Sfakianakis via Alexandros G.Sfakianakis on Inoreader http://ift.tt/1Prrs2I via IFTTT

The protein fraction from wheat-based dried distiller’s grain with solubles (DDGS): extraction and valorization

New Biotechnology from #Medicine-Sfakianakis via simeraentaxei on Inoreader http://ift.tt/1mJBwuv via IFTTT from #Med Blogs by Alexandros G.Sfakianakis via Alexandros G.Sfakianakis on Inoreader http://ift.tt/1Prrs2G via IFTTT

Designer cell signal processing circuits for biotechnology

New Biotechnology from #Medicine-Sfakianakis via simeraentaxei on Inoreader http://ift.tt/1mJBvqE via IFTTT from #Med Blogs by Alexandros G.Sfakianakis via Alexandros G.Sfakianakis on Inoreader http://ift.tt/1RNeY8R via IFTTT

Atomic structure of the APC/C and its mechanism of protein ubiquitination

Nature from #Medicine-Sfakianakis via simeraentaxei on Inoreader http://ift.tt/1UcWX1M via IFTTT from #Med Blogs by Alexandros G.Sfakianakis via Alexandros G.Sfakianakis on Inoreader http://ift.tt/1PrrxU2 via IFTTT

Identification of the regions involved in phonological assembly using a novel paradigm

Brain and Language from #Medicine-SfakianakisAlexandros via o.lakala70 on Inoreader http://ift.tt/1UcWYTe via IFTTT

Opposite malaria and pregnancy effect on oral bioavailability of artesunate – a population pharmacokinetic evaluation

British Journal of Clinical Pharmacology from #Medicine-Sfakianakis via simeraentaxei on Inoreader http://ift.tt/1UcWWL8 via IFTTT from #Med Blogs by Alexandros G.Sfakianakis via Alexandros G.Sfakianakis on Inoreader http://ift.tt/1RNeXSD via IFTTT

Oral chronic GVHD outcomes and resource utilization: a subanalysis from the chronic GVHD consortium

Abstract Objectives This study evaluated the extent to which oral chronic graft-versus-host disease (cGVHD) consensus assessments are predictive of management across institutions with and without oral medicine (OM) centers, and whether ancillary care guidelines are followed within clinical practice. Methods Longitudinal oral cGVHD data were abstracted from the cGVHD Consortium and additional mouth-specific management data […]

MiR-127-5p targets the biliverdin reductase B/NF-κB pathway to suppress cell growth in hepatocellular carcinoma cells

Abstract Nuclear factor-kappa B (NF-κB) activation is one of the major mediators of inflammation-induced cancer cell growth and progression. In previous studies, we screened a series of microRNAs (miRNAs) that targeted NF-κB signaling pathway. In this study, we demonstrated that miR-127-5p suppressed NF-κB activity through inhibition of p65 nuclear translocation. In addition, miR-127-5p also inhibited […]

A sensitive cytometry based system for enumeration, capture and analysis of gene mutations of circulating tumor cells

Summary Methods for the enumeration and molecular characterization of circulating tumor cells (CTCs) have been actively investigated. However, such methods are still technically challenging. We have developed a novel epithelial cell adhesion molecule independent CTC enumeration system integrated with a sorting system using a microfluidics chip. We compared the number of CTCs detected using our […]

Tumor growth suppression by the combination of nanobubbles and ultrasound

Abstract We previously developed novel liposomal nanobubbles (Bubble liposomes; BLs) that oscillate and collapse in an ultrasound field, generating heat and shock waves. We aimed to investigate the feasibility of cancer therapy by the combination of BLs and ultrasound (BLs + ultrasound). In addition, we investigated the anti-tumor mechanism of this cancer therapy. Colon-26 cells […]

MiR-127-5p targets the biliverdin reductase B/NF-κB pathway to suppress cell growth in hepatocellular carcinoma cells

Abstract Nuclear factor-kappa B (NF-κB) activation is one of the major mediators of inflammation-induced cancer cell growth and progression. In previous studies, we screened a series of microRNAs (miRNAs) that targeted NF-κB signaling pathway. In this study, we demonstrated that miR-127-5p suppressed NF-κB activity through inhibition of p65 nuclear translocation. In addition, miR-127-5p also inhibited […]

A sensitive cytometry based system for enumeration, capture and analysis of gene mutations of circulating tumor cells

Summary Methods for the enumeration and molecular characterization of circulating tumor cells (CTCs) have been actively investigated. However, such methods are still technically challenging. We have developed a novel epithelial cell adhesion molecule independent CTC enumeration system integrated with a sorting system using a microfluidics chip. We compared the number of CTCs detected using our […]

Tumor growth suppression by the combination of nanobubbles and ultrasound

Abstract We previously developed novel liposomal nanobubbles (Bubble liposomes; BLs) that oscillate and collapse in an ultrasound field, generating heat and shock waves. We aimed to investigate the feasibility of cancer therapy by the combination of BLs and ultrasound (BLs + ultrasound). In addition, we investigated the anti-tumor mechanism of this cancer therapy. Colon-26 cells […]

Pseudocarcinomatous Hyperplasia Hiding Lymphomatoid Papulosis: A «Low-Power View» Pitfall

Pseudocarcinomatous hyperplasia (PCH) is a reactive proliferation of the epidermis that can be associated with many inflammatory and neoplastic conditions. Histologically, it is characterized by irregular strands of epidermis, usually at the level of the follicular infundibulum, projecting downward into the dermis. The differentiation between a well-differentiated squamous cell carcinoma and PCH can be particularly […]

Justin Bieber is on to something: our bedrock is the NHS – The Guardian

The Guardian Justin Bieber is on to something: our bedrock is the NHS The Guardian ‘I didn’t recognise how impressive the NHS is, from a distance’. Illustration by Robert G Fresson. Contact author. @zoesqwilliams. Sunday 27 December 2015 12.10 EST Last modified on Sunday 27 December 2015 17.00 EST. Share on Facebook · Share on […]

First Nations health advocate dies of asbestos-related cancer – Toronto Star

Toronto Star First Nations health advocate dies of asbestos-related cancer Toronto Star Mesothelioma is a rare type of cancer that is often linked with exposure to asbestos. The World Health Organization maintains all types of asbestos can cause lung cancer, mesothelioma, cancer of the larynx and ovary, and asbestosis. ThunderSky was also … and more […]

The incidence rate over 10 years of naturally occurring, cancer related mutations in the basal core promoter of hepatitis B virus

orlsfakianakisστοOtoRhinoLaryngology by Sfakianakis G.AlexandrosΠριν από 1 ώρα
Infection, Genetics and Evolution from #Medicine-SfakianakisAlexandros via o.lakala70 on Inoreader http://ift.tt/1mJBzGN via IFTTT from #Med Blogs by Alexandros G.Sfakianakis via Alexandros G.Sfakianakis on Inoreader http://ift.tt/1OucHza via IFTTT

Opposite malaria and pregnancy effect on oral bioavailability of artesunate – a population pharmacokinetic evaluation

orlsfakianakisστοOtoRhinoLaryngology by Sfakianakis G.AlexandrosΠριν από 1 ώρα
British Journal of Clinical Pharmacology from #Medicine-SfakianakisAlexandros via o.lakala70 on Inoreader http://ift.tt/1UcWWL8 via IFTTT from #Med Blogs by Alexandros G.Sfakianakis via Alexandros G.Sfakianakis on Inoreader http://ift.tt/1JDxYyQ via IFTTT

Atomic structure of the APC/C and its mechanism of protein ubiquitination

orlsfakianakisστοOtoRhinoLaryngology by Sfakianakis G.AlexandrosΠριν από 1 ώρα
Nature from #Medicine-SfakianakisAlexandros via o.lakala70 on Inoreader http://ift.tt/1UcWX1M via IFTTT from #Med Blogs by Alexandros G.Sfakianakis via Alexandros G.Sfakianakis on Inoreader http://ift.tt/1OucJqQ via IFTTT

The protein fraction from wheat-based dried distiller’s grain with solubles (DDGS): extraction and valorization

orlsfakianakisστοOtoRhinoLaryngology by Sfakianakis G.AlexandrosΠριν από 1 ώρα
New Biotechnology from #Medicine-SfakianakisAlexandros via o.lakala70 on Inoreader http://ift.tt/1mJBwuv via IFTTT from #Med Blogs by Alexandros G.Sfakianakis via Alexandros G.Sfakianakis on Inoreader http://ift.tt/1JDxSYe via IFTTT

BenFred: Strauss befriended an intern – STLtoday.com

orlsfakianakisστοOtoRhinoLaryngology by Sfakianakis G.AlexandrosΠριν από 1 ώρα
STLtoday.com BenFred: Strauss befriended an intern STLtoday.com If Strauss’ tongue was ever tied, I never saw it. Before Knight could begin his favorite activity outside of coaching college … He didn’t talk about the cancer much, at least not to me. The last time was the first time he brought it up. This was a… Continue reading BenFred: Strauss befriended an intern – STLtoday.com

Ferritin family proteins and their use in bionanotechnology

orlsfakianakisστοOtoRhinoLaryngology by Sfakianakis G.AlexandrosΠριν από 1 ώρα
New Biotechnology from #Medicine-SfakianakisAlexandros via o.lakala70 on Inoreader http://ift.tt/1UcWWuv via IFTTT from #Med Blogs by Alexandros G.Sfakianakis via Alexandros G.Sfakianakis on Inoreader http://ift.tt/1OucHz6 via IFTTT

MiR-127-5p targets the biliverdin reductase B/NF-κB pathway to suppress cell growth in hepatocellular carcinoma cells

orlsfakianakisστοOtoRhinoLaryngology by Sfakianakis G.AlexandrosΠριν από 1 ώρα
Abstract Nuclear factor-kappa B (NF-κB) activation is one of the major mediators of inflammation-induced cancer cell growth and progression. In previous studies, we screened a series of microRNAs (miRNAs) that targeted NF-κB signaling pathway. In this study, we demonstrated that miR-127-5p suppressed NF-κB activity through inhibition of p65 nuclear translocation. In addition, miR-127-5p also inhibited… Continue reading MiR-127-5p targets the biliverdin reductase B/NF-κB pathway to suppress cell growth in hepatocellular carcinoma cells

A sensitive cytometry based system for enumeration, capture and analysis of gene mutations of circulating tumor cells

orlsfakianakisστοOtoRhinoLaryngology by Sfakianakis G.AlexandrosΠριν από 1 ώρα
Summary Methods for the enumeration and molecular characterization of circulating tumor cells (CTCs) have been actively investigated. However, such methods are still technically challenging. We have developed a novel epithelial cell adhesion molecule independent CTC enumeration system integrated with a sorting system using a microfluidics chip. We compared the number of CTCs detected using our… Continue reading A sensitive cytometry based system for enumeration, capture and analysis of gene mutations of circulating tumor cells

Tumor growth suppression by the combination of nanobubbles and ultrasound

orlsfakianakisστοOtoRhinoLaryngology by Sfakianakis G.AlexandrosΠριν από 1 ώρα
Abstract We previously developed novel liposomal nanobubbles (Bubble liposomes; BLs) that oscillate and collapse in an ultrasound field, generating heat and shock waves. We aimed to investigate the feasibility of cancer therapy by the combination of BLs and ultrasound (BLs + ultrasound). In addition, we investigated the anti-tumor mechanism of this cancer therapy. Colon-26 cells… Continue reading Tumor growth suppression by the combination of nanobubbles and ultrasound

Oral chronic GVHD outcomes and resource utilization: a subanalysis from the chronic GVHD consortium

Abstract Objectives This study evaluated the extent to which oral chronic graft-versus-host disease (cGVHD) consensus assessments are predictive of management across institutions with and without oral medicine (OM) centers, and whether ancillary care guidelines are followed within clinical practice. Methods Longitudinal oral cGVHD data were abstracted from the cGVHD Consortium and additional mouth-specific management data were analyzed across five transplant centers. Results Seventy-nine patients with 656 visits were observed for a median of 7.1 months with one visit per follow...περισσότερα »

Pseudocarcinomatous Hyperplasia Hiding Lymphomatoid Papulosis: A «Low-Power View» Pitfall

orlsfakianakisστοOtoRhinoLaryngology by Sfakianakis G.AlexandrosΠριν από 2 ώρες
Pseudocarcinomatous hyperplasia (PCH) is a reactive proliferation of the epidermis that can be associated with many inflammatory and neoplastic conditions. Histologically, it is characterized by irregular strands of epidermis, usually at the level of the follicular infundibulum, projecting downward into the dermis. The differentiation between a well-differentiated squamous cell carcinoma and PCH can be particularly… Continue reading Pseudocarcinomatous Hyperplasia Hiding Lymphomatoid Papulosis: A «Low-Power View» Pitfall

How Accurately Do Consecutive Cohort Audits Predict Phase III Multisite Clinical Trial Recruitment in Palliative Care?

orlsfakianakisστοOtoRhinoLaryngology by Sfakianakis G.AlexandrosΠριν από 2 ώρες
Audits have been proposed for estimating possible recruitment rates to randomized controlled trials (RCTs) but few studies have compared audit data with subsequent recruitment rates. (Source: Journal of Pain and Symptom Management) MedWorm Sponsor Message: Directory of the best January Sales in the UK. Find the best Christmas presents too. from #Medicine-Sfakianakis via simeraentaxei on… Continue reading How Accurately Do Consecutive Cohort Audits Predict Phase III Multisite Clinical Trial Recruitment in Palliative Care?

Clinicians’ Perspectives on Managing Symptom Clusters in Advanced Cancer: A Semi-Structured Interview Study

orlsfakianakisστοOtoRhinoLaryngology by Sfakianakis G.AlexandrosΠριν από 2 ώρες
Managing “symptom clusters,” or multiple concurrent symptoms in patients with advanced cancer remains a clinical challenge. The optimal processes constituting effective management of symptoms clusters remain uncertain. (Source: Journal of Pain and Symptom Management) from #Medicine-Sfakianakis via simeraentaxei on Inoreader http://ift.tt/1kmWjlX via IFTTT

Prevalence and predictive factors of depression and anxiety in patients with pancreatic cancer: a longitudinal study

orlsfakianakisστοOtoRhinoLaryngology by Sfakianakis G.AlexandrosΠριν από 2 ώρες
Conclusion A considerable percentage of pancreatic cancer patients experienced depression and anxiety. Multidimensional psychosocial predictive factors were found and optimal psychological care should incorporate early detection of sadness. (Source: Japanese Journal of Clinical Oncology) from #Medicine-Sfakianakis via simeraentaxei on Inoreader http://ift.tt/1QVG3Xo via IFTTT

Peroral endoscopic myotomy in the endoscopy unit: location, location, location.

Peroral endoscopic myotomy in the endoscopy unit: location, location, location.

Gastrointest Endosc. 2016 Jan;83(1):126-8

Authors: Pannu D, White JD, Draganov PV

PMID: 26706301 [PubMed - in process]



from #ENT-PubMed via ola Kala on Inoreader http://ift.tt/1Vlbzxf
via IFTTT

Moral considerations in non-EXIT airway management.

Moral considerations in non-EXIT airway management.

Int J Pediatr Otorhinolaryngol. 2015 Dec 10;

Authors: Walker P

Abstract
The case report "Management of the critical airway when an EXIT procedure is not an option" has important moral decision-making implications. If intubation was not quickly successful, then significant hypoxic brain injury may have resulted. A full discussion of the moral implications in cases such as this, prior to delivery, is important - both to the family and to the clinicians involved. Our contemporary era is characterised by a pronounced disparity of values and belief systems. An active process for moral decision-making based upon dialogic consensus, is seen as more appropriate than contemplation of ethical frameworks alone. This is increasingly important as the armamentarium of life-sustaining technology available to clinicians steadily increases.

PMID: 26706315 [PubMed - as supplied by publisher]



from #ENT-PubMed via ola Kala on Inoreader http://ift.tt/1NIcSn0
via IFTTT

Letter to the Editor regarding "Tympanic membrane perforation in children: Endoscopic type I tympanoplasty, a newly technique, is it worthwhile?"

Letter to the Editor regarding "Tympanic membrane perforation in children: Endoscopic type I tympanoplasty, a newly technique, is it worthwhile?"

Int J Pediatr Otorhinolaryngol. 2015 Dec 8;

Authors: Bakshi SS

PMID: 26706314 [PubMed - as supplied by publisher]



from #ENT-PubMed via ola Kala on Inoreader http://ift.tt/1YK3LFg
via IFTTT

Kinematic analysis of swallowing in the patients with esophagectomy for esophageal cancer.

Kinematic analysis of swallowing in the patients with esophagectomy for esophageal cancer.

J Electromyogr Kinesiol. 2015 Nov 30;

Authors: Kim SJ, Cheon HJ, Lee HN, Hwang JH

Abstract
The aim of this study is to reveal the mechanism of esophagectomy-mediated swallowing motion disorders. Forty-seven patients who underwent 3-stage esophagectomy with cervical anastomosis and VFSS for esophageal cancer were selected. Twenty-three patients displayed subglottic aspiration (aspiration group) and the other 24 patients did not show any aspiration or penetration in the videofluoroscopic swallowing study after esophagectomy (no aspiration group). For comparison, 27 healthy volunteers (normal group) were included. Maximal anterior displacement of the hyoid (MADH), maximal superior displacement of the hyoid (MSDH), maximal rotation of the epiglottis (MRE) and pharyngeal delay time (PDT) were measured by image J software. MADH, MRE, and PDT in normal group were significantly different from those in aspiration and no aspiration groups (P<0.001). The normal group displayed a significantly different PDT compared to the no aspiration and aspiration groups, and the no aspiration group had a significantly different PDT compared to the aspiration group (P<0.001). The mechanism of swallowing motion disorders caused by the esophagectomy in esophageal cancer includes the decreased anterior movement of the hyoid and rotation of the epiglottis caused by the prolonged operation time and delayed pharyngeal reflex caused by the laryngeal sensory disturbance. Among them, the main mechanism of subglottic aspiration after esophagectomy is the delayed pharyngeal reflex.

PMID: 26705964 [PubMed - as supplied by publisher]



from #ENT-PubMed via ola Kala on Inoreader http://ift.tt/1ZvmJSl
via IFTTT

Irradiation of localized squamous cell carcinoma of the nasal vestibule.

Irradiation of localized squamous cell carcinoma of the nasal vestibule.

Head Neck. 2015 Dec 26;

Authors: Vanneste BG, Lopez-Yurda M, Tan IB, Balm AJ, Borst GR, Rasch CR

Abstract
BACKGROUND: The purpose of this study was to evaluate the long-term results of primary radiotherapy treatment for squamous cell carcinoma (SCC) of the nasal vestibule.
METHODS: Eighty-one patients were treated with external beam radiotherapy (EBRT) and/or interstitial radiotherapy (IRT) for a primary, localized, Wang classified SCC of the nasal vestibule.
RESULTS: Median follow-up was 38 months. T1 tumors were treated with IRT: we observed 1 local failure (at 13 months) among 48 patients (5-year local control rate of 97%). Most T2 tumors (20 of 26) were treated with EBRT. There were 8 local recurrences among 26 patients (5-year local control rate of 68%). For the T3 tumors (n = 7; all treated with EBRT), we observed local recurrence in 2 patients (5-year local control rate of 53%). The late-term side effects were relatively mild.
CONCLUSION: Local primary radiotherapy (either IRT for T1 or EBRT for T2/3) is an adequate treatment for SCC of the nasal vestibule with little late sequelae. © 2015 Wiley Periodicals, Inc. Head Neck, 2015.

PMID: 26706779 [PubMed - as supplied by publisher]



from #ENT-PubMed via ola Kala on Inoreader http://ift.tt/1JCaF8L
via IFTTT

Prognostic value of the neutrophil-to-lymphocyte ratio in patients with laryngeal squamous cell carcinoma.

Prognostic value of the neutrophil-to-lymphocyte ratio in patients with laryngeal squamous cell carcinoma.

Head Neck. 2015 Dec 26;

Authors: Wong BY, Stafford ND, Green VL, Greenman J

Abstract
BACKGROUND: The neutrophil/lymphocyte ratio (NLR) has been found to be predictive of survival outcome in a range of tumors. The purpose of this study was to investigate the prognostic value of pretreatment (NLR) in patients with laryngeal squamous cell carcinoma (SCC).
METHODS: A retrospective analysis of 140 patients with laryngeal SCC treated between 2005 and 2010 in the Hull and East Yorkshire Hospitals NHS Trust was carried out. Patient records were evaluated and both pretreatment neutrophil and lymphocyte counts were documented together with survival data, sex, smoking status, nodal classification, and disease staging.
RESULTS: An elevated NLR was significantly associated with advanced disease stage (eg, node-positive and tumors stage III and IV). In addition, a high NLR was significantly associated with poor overall survival (OS) but not disease-free survival (DFS) on multivariate analysis, with the greatest significance seen in patients with the highest NLR.
CONCLUSION: Pretreatment NLR may serve as a useful prognostic marker in laryngeal SCC; however, a large prospective study is required to determine an optimal NLR cutoff value. © 2015 Wiley Periodicals, Inc. Head Neck, 2015.

PMID: 26706179 [PubMed - as supplied by publisher]



from #ENT-PubMed via ola Kala on Inoreader http://ift.tt/1PqGdon
via IFTTT

Intensity-modulated proton therapy for nasopharyngeal carcinoma: Decreased radiation dose to normal structures and encouraging clinical outcomes.

Intensity-modulated proton therapy for nasopharyngeal carcinoma: Decreased radiation dose to normal structures and encouraging clinical outcomes.

Head Neck. 2015 Dec 26;

Authors: Lewis GD, Holliday EB, Kocak-Uzel E, Hernandez M, Garden AS, Rosenthal DI, Frank SJ

Abstract
BACKGROUND: Intensity-modulated proton therapy (IMPT) has the potential to spare dose to organs at risk (OAR) when compared to intensity-modulated radiotherapy (IMRT) while maintaining excellent clinical outcomes.
METHODS: Ten patients with nasopharyngeal carcinoma (NPC) were identified for whom IMPT was planned; 9 patients also had a comparison photon-based IMRT plan generated. Dosimetric comparison of mean radiation dose to 29 adjacent OAR was performed. Disease control, survival, and toxicity outcomes were collected from the medical records.
RESULTS: There were significant differences in mean doses in 15 of the 29 OAR; 13 OAR received lower mean dose with proton-based plans. Median follow-up was 24.5 months (range, 19-32 months). Two-year locoregional control was 100% and the 2-year overall survival was 88.9%.
CONCLUSION: We observed dosimetric advantages conferred by IMPT compared to IMRT. Further study is needed to determine if these translate into reduced toxicity and/or improved disease control. © 2015 Wiley Periodicals, Inc. Head Neck, 2015.

PMID: 26705956 [PubMed - as supplied by publisher]



from #ENT-PubMed via ola Kala on Inoreader http://ift.tt/1ShCQkm
via IFTTT

Intensity-modulated radiotherapy for head and neck surgeons.

Intensity-modulated radiotherapy for head and neck surgeons.

Head Neck. 2015 Dec 26;

Authors: Gutiontov SI, Shin EJ, Lok B, Lee NY, Cabanillas R

Abstract
The development of intensity-modulated radiotherapy (IMRT) has played a major role in improving outcomes and decreasing morbidity in patients with head and neck cancer. This review addresses this vital modality with a focus on the important role of the head and neck surgeon. The technique as well as its benefits and points of caution are outlined, the definitions of tumor and treatment volumes are discussed, and the dose and fractionation are detailed. Following this are several sections dedicated to the role of the head and neck surgeon in the planning of both definitive and postoperative radiotherapy to the primary site and neck. There is a focus throughout on anatomic and surgical considerations; commonly encountered situations are illustrated. With a deeper understanding of this technique and their own pivotal contribution to target delineation, head and neck surgeons will be poised to expand their role and improve cancer care for their patients. © 2015 Wiley Periodicals, Inc. Head Neck, 2015.

PMID: 26705685 [PubMed - as supplied by publisher]



from #ENT-PubMed via ola Kala on Inoreader http://ift.tt/1JCaESd
via IFTTT

Multiple analyses of factors related to complications in endoscopic sinus surgery.

Multiple analyses of factors related to complications in endoscopic sinus surgery.

J Chin Med Assoc. 2015 Dec 16;

Authors: Chou TW, Chen PS, Lin HC, Lee KS, Tsai HT, Lee JC, Leu YS, Wang YP

Abstract
BACKGROUND: This study was undertaken to evaluate whether endoscopic sinus surgery (ESS) with a microdebrider had an impact on complication rates, and to facilitate the determination of factors associated with complications in patients who underwent ESS at a tertiary referral center in Taiwan.
METHODS: This investigation was a retrospective study and literature review. We analyzed 997 consecutive patients who underwent ESS at Mackay Memorial Hospital in Taipei, Taiwan from January 2006 through February 2010. All data including those of patient medical information, and peri- and postoperative complications were provided by the surgeons involved in patient medical care. We analyzed the complication rates using the following 10 variables by univariate analysis and multivariate logistic regression: gender, age, Lund-Mackay score, polyp grading, previous sinonasal surgery, surgeon skill, adjunctive sinonasal surgery, mesenteric type of anterior ethmoid artery, Keros skull base type, and the use of a microdebrider.
RESULTS: Of the 997 patients in our study, 78 (7.8%) had complications. Major complications occurred in five patients (0.5%): two with cerebrospinal fluid rhinorrhea, one with medial rectus muscle damage, and two with retrobulbar hematoma. Minor complications were found in 73 patients (7.3%), which included 32 patients with perioperative estimated blood loss > 15% of the total estimated blood volume, 26 with lamina papyracea damage, two with orbital cellulitis, and 13 with postoperative bleeding. Univariate analysis showed that risk factors related to complication rate were advanced Lund-Mackay scores (scores 19-24), advanced polyp grading (Grades 2 and 3), inexperienced surgeon (resident), and microdebrider usage. However, multivariate analysis revealed that complication rate was linked to advanced Lund-Mackay scores (Scores 19-24), mesenteric type of anterior ethmoid artery, and inexperienced surgeon.
CONCLUSION: Overall, the results of our study showed that the ESS complication rate was 7.8%, with risk factors including advanced Lund-Mackay scores (19-24, odds ratio 10.4) and inexperienced surgeon. It was also noted that ESS with a microdebrider had no impact on complication rates, although the presence of a mesenteric type of anterior ethmoid artery proved to be a protective factor.

PMID: 26706826 [PubMed - as supplied by publisher]



from #ENT-PubMed via ola Kala on Inoreader http://ift.tt/1R2aRV0
via IFTTT

Low-frequency sound exposure causes reversible long-term changes of cochlear transfer characteristics.

Low-frequency sound exposure causes reversible long-term changes of cochlear transfer characteristics.

Hear Res. 2015 Dec 16;

Authors: Drexl M, Otto L, Wiegrebe L, Marquardt T, Gürkov R, Krause E

Abstract
Intense, low-frequency sound presented to the mammalian cochlea induces temporary changes of cochlear sensitivity, for which the term 'Bounce' phenomenon has been coined. Typical manifestations are slow oscillations of hearing thresholds or the level of otoacoustic emissions. It has been suggested that these alterations are caused by changes of the mechano-electrical transducer transfer function of outer hair cells (OHCs). Shape estimates of this transfer function can be derived from low-frequency-biased distortion product otoacoustic emissions (DPOAE). Here, we tracked the transfer function estimates before and after triggering a cochlear Bounce. Specifically, cubic DPOAEs, modulated by a low-frequency biasing tone, were followed over time before and after induction of the cochlear Bounce. Most subjects showed slow, biphasic changes of the transfer function estimates after low-frequency sound exposure relative to the preceding control period. Our data show that the operating point changes biphasically on the transfer function with an initial shift away from the inflection point followed by a shift towards the inflection point before returning to baseline values. Changes in transfer function and operating point lasted for about 180 s. Our results are consistent with the hypothesis that intense, low-frequency sound disturbs regulatory mechanisms in OHCs. The homeostatic readjustment of these mechanisms after low-frequency offset is reflected in slow oscillations of the estimated transfer functions.

PMID: 26706707 [PubMed - as supplied by publisher]



from #ENT-PubMed via ola Kala on Inoreader http://ift.tt/1PqGeIM
via IFTTT

Sodium salicylate reduces the level of GABAB receptors in the rat's inferior colliculus.

Sodium salicylate reduces the level of GABAB receptors in the rat's inferior colliculus.

Neuroscience. 2015 Dec 16;

Authors: Butt S, Ashraf F, Porter L, Zhang H

Abstract
Previous studies have indicated that sodium salicylate can cause hearing abnormalities through affecting the central auditory system. In order to understand central effects of the drug, we examined how a single intraperitoneal injection of the drug changed the level of subunits of the type-B γ-aminobutyric acid receptor (GABAB receptor) in the rat's inferior colliculus. Immunohistochemical and western blotting experiments were conducted three hours following a drug injection, as previous studies indicated that a tinnitus-like behavior could be reliably induced in rats within this time period. Results revealed that both subunits of the receptor, GABABR1 and GABABR2, reduced their level over the entire area of the inferior colliculus. Such a reduction was observed in both cell body and neuropil regions. In contrast, no changes were observed in other brain structures such as the cerebellum. Thus, a coincidence existed between a structure-specific reduction in the level of GABAB receptor subunits in the inferior colliculus and the presence of a tinnitus-like behavior. This coincidence likely suggests that a reduction in the level of GABAB receptor subunits was involved in the generation of a tinnitus-like behavior and/or used by the nervous system to restore normal hearing following application of sodium salicylate.

PMID: 26705739 [PubMed - as supplied by publisher]



from #ENT-PubMed via ola Kala on Inoreader http://ift.tt/1OmP4Cd
via IFTTT

Altered vesicular glutamate transporter distributions in the mouse cochlear nucleus following cochlear insult.

Altered vesicular glutamate transporter distributions in the mouse cochlear nucleus following cochlear insult.

Neuroscience. 2015 Dec 16;

Authors: Heeringa AN, Stefanescu RA, Raphael Y, Shore SE

Abstract
Vesicular glutamate transporters 1 and 2 (VGLUT1 and VGLUT2) have distinct distributions in the cochlear nucleus that correspond to the sources of the labeled terminals. VGLUT1 is mainly associated with terminals of auditory nerve fibers, whereas VGLUT2 is mainly associated with glutamatergic terminals deriving from other sources that project to the cochlear nucleus (CN), including somatosensory and vestibular terminals. Previous studies in guinea pig have shown that cochlear damage results in a decrease of VGLUT1-labeled puncta and an increase in VGLUT2-labeled puncta. This indicates cross-modal compensation that is of potential importance in somatic tinnitus. To examine whether this effect is consistent across species and to provide a background for future studies, using transgenesis, the current study examines VGLUT expression profiles upon cochlear insult by intracochlear kanamycin injections in the mouse. Intracochlear kanamycin injections abolished ipsilateral ABR responses in all animals and reduced ipsilateral spiral ganglion neuron densities in animals that were sacrificed after four weeks, but not in animals that were sacrificed after three weeks. In all unilaterally deafened animals, VGLUT1 density was decreased in CN regions that receive auditory nerve fiber terminals, i.e. in the deep layer of the dorsal cochlear nucleus (DCN), in the interstitial region where the auditory nerve enters the CN, and in the magnocellular region of the antero- and posteroventral CN. In contrast, density of VGLUT2 expression was upregulated in the fusiform cell layer of the DCN and in the granule cell lamina, which are known to receive somatosensory and vestibular terminals. These results show that a cochlear insult induces cross-modal compensation in the cochlear nucleus of the mouse, confirming previous findings in guinea pig, and that these changes are not dependent on the occurrence of spiral ganglion neuron degeneration.

PMID: 26705736 [PubMed - as supplied by publisher]



from #ENT-PubMed via ola Kala on Inoreader http://ift.tt/1mkwLqN
via IFTTT

Σάββατο 26 Δεκεμβρίου 2015

Meningiomas With Rhabdoid Features Lacking Other Histologic Features of Malignancy: A Study of 44 Cases and Review of the Literature.

Meningiomas With Rhabdoid Features Lacking Other Histologic Features of Malignancy: A Study of 44 Cases and Review of the Literature.

J Neuropathol Exp Neurol. 2016 Jan;75(1):44-52

Authors: Vaubel RA, Chen SG, Raleigh DR, Link MJ, Chicoine MR, Barani I, Jenkins SM, Aleff PA, Rodriguez FJ, Burger PC, Dahiya S, Perry A, Giannini C

Abstract
The behavior of rhabdoid meningiomas otherwise lacking malignant features remains unknown as most of the originally reported aggressive cases showed anaplastic histologic features independently of rhabdoid phenotype. We studied 44 patients with rhabdoid meningiomas lacking anaplastic features. Median age at diagnosis was 48.6 years (range 10-79). Location was supratentorial in 28 (63.6%), skull base in 15 (34.1%), and spinal in 1 (2.3%). Tumor grade was otherwise World Health Organization grade I (n = 22, 50%) or II (n = 22, 50%). Rhabdoid cells represented <20% of the tumor in 12 cases (27.3%), 20% to 50% in 18 (40.9%), and >50% in 14 (31.8%). Median clinical follow-up, available for 38 patients, was 5.0 years (range 0.17-14.2). Recurrence occurred in 9 patients (5-year recurrence-free survival, 73.7%) with a significantly higher risk in subtotally resected tumors (p = 0.043). Rhabdoid cell percentage was not associated with recurrence. Six patients died (4 of disease, 2 of unclear causes); 5-year overall survival was 86.7%, a mortality in excess of that expected in grade I-II meningiomas but much lower than originally reported. Review of 50 similar previously reported cases confirmed our findings. We suggest that rhabdoid meningiomas be graded analogously to nonrhabdoid tumors, with caution that some may still behave aggressively and close follow-up is recommended.

PMID: 26705409 [PubMed - in process]



from #ENT-PubMed via ola Kala on Inoreader http://ift.tt/1PpboAx
via IFTTT

Additional Prone 18F-FDG PET/CT Acquisition to Improve the Visualization of the Primary Tumor and Regional Lymph Node Metastases in Stage II/III Breast Cancer.

Additional Prone 18F-FDG PET/CT Acquisition to Improve the Visualization of the Primary Tumor and Regional Lymph Node Metastases in Stage II/III Breast Cancer.

Clin Nucl Med. 2015 Dec 22;

Authors: Teixeira SC, Koolen BB, Vogel WV, Wesseling J, Stokkel MP, Vrancken Peeters MT, van der Noort V, Rutgers EJ, Valdés Olmos RA

Abstract
PURPOSE: To prospectively compare prone and supine acquired F-FDG PET/CT for visualization of primary tumors and regional lymph nodes in stage II/III breast cancer patients.
MATERIALS AND METHODS: One hundred ninety-eight patients were included consecutively from August 2010 to April 2012. One hour after administration of 180-240 MBq F-FDG, PET/CT images of the thorax were firstly acquired in prone position. Subsequently, a standard PET/CT in supine position from skull base to thighs was made. Both sets of images were tested in a univariate and a multivariate analysis for the number of lesions per breast or lymph node (LN) region and anatomical mismatch between PET and CT images.
RESULTS: Images in prone position showed less compression of breast tissue, more primary tumor (PT) multifocality (P < 0.001) and more avid axillary LNs (P < 0.001) compared with supine position. Anatomical mismatch of the axillary LN metastases was found more often on supine PET/CT images compared with prone (P = 0.004). Prone images showed a smaller PT functional volume compared with supine position (P < 0.001).
CONCLUSIONS: Prone position PET/CT improved the visualization of PT multifocality and the number of detected axillary lymph nodes. Therefore, it is a valuable addition to standard supine PET/CT in the protocol for locoregional assessment in stage II/III breast cancer patients.

PMID: 26704731 [PubMed - as supplied by publisher]



from #ENT-PubMed via ola Kala on Inoreader http://ift.tt/1OrV3fx
via IFTTT

Value of cephalic part of lateral crus in functional rhinoplasty.

Value of cephalic part of lateral crus in functional rhinoplasty.

Eur Arch Otorhinolaryngol. 2015 Dec 24;

Authors: Sazgar AA, Amali A, Peyvasty MN

Abstract
Reshaping of the nasal tip is the most difficult part of rhinoplasty. Over the years, there have been many advances in the field of rhinoplasty, including tip plasty. The goal of these continuous refinements in existing procedures has been to improve both aesthetic and functional outcomes. The cephalic part of the lateral crus of the lower lateral cartilage is what mainly contributes to nasal tip deformity. Various surgical techniques have been reported that used the cephalic part of lateral crus to refine the nasal tip and preserve alar integrity and nasal breathing function. In this review article, we have attempted to show the evolution of these methods while focusing on development of approaches that are basic for "modern rhinoplasty" and presenting our personal preferences. We have also endeavored to categorize these methods and clarify some misconceptions and inaccuracies in their descriptions.

PMID: 26704927 [PubMed - as supplied by publisher]



from #ENT-PubMed via ola Kala on Inoreader http://ift.tt/1mFnHNL
via IFTTT

Traumatic arteriovenous fistula of the superficial temporal artery.

Traumatic arteriovenous fistula of the superficial temporal artery.

J Surg Case Rep. 2015;2015(12)

Authors: Asai K, Tani S, Imai Y, Mineharu Y, Sakai N

Abstract
Traumatic arteriovenous fistula (AVF) of the superficial temporal artery (STA) is rare. We report a case of surgically treated, histopathologically confirmed traumatic AVF of the STA. A 24-year-old male was admitted to our hospital after a traffic accident. Computed tomography scan on admission showed an acute epidural hematoma on the right surface of frontal lobe, which was emergently treated by surgical evacuation. One month later, he was aware of pulsatile tinnitus around the left ear. Digital subtraction angiogram showed an AVF, mainly fed by the left STA. After total removal of the fistula, his tinnitus immediately disappeared. Histopathological examination demonstrated that the artery was connected to the vein through the thin-walled vessels lacking internal elastic lamina and muscularized media, suggesting that the connecting vessels were newly formed.

PMID: 26703929 [PubMed]



from #ENT-PubMed via ola Kala on Inoreader http://ift.tt/1YDRmbj
via IFTTT

Microvascular Decompression Surgery for Hemifacial Spasm.

Microvascular Decompression Surgery for Hemifacial Spasm.

J Craniofac Surg. 2015 Dec 16;

Authors: Qi H, Zhang W, Zhang X, Zhao C

Abstract
OBJECTIVE: This study aims to investigate the operative efficacy, surgical complication rate, and surgical strategy of microvascular decompression (MVD) for hemifacial spasm (HFS).
METHODS: Clinical data of 46 patients with HFS who underwent MVD were retrospectively analyzed.
RESULTS: During surgery, it was found that the facial nerve root exit zone was compressed by the following arterial vessels: anterior inferior cerebellar artery in 24 patients (52.17%); posterior inferior cerebellar artery in 14 patients (30.43%); vertebral artery and a small artery in 7 patients (15.22%); and vertebral artery in 1 patient (2.18%). Symptoms of 38 patients were immediately remitted completely after surgery and symptoms of 8 patients were significantly reduced. Main complications included dizziness and tinnitus in 9 patients, hearing loss in 5 patients, cerebrospinal fluid leakage in 1 patient, and infection in 2 patients. No patient died during surgery.
CONCLUSIONS: MVD is the preferred choice for treating idiopathic hemifacial spasm, and hearing impairment is the main complication. Skilled microsurgical techniques, as well as identifying and completely decompressing offending vessels, are the key to ensuring a successful microvascular decompression.

PMID: 26703065 [PubMed - as supplied by publisher]



from #ENT-PubMed via ola Kala on Inoreader http://ift.tt/1MAcLFX
via IFTTT

Features and prognostic utility of biopsy in oral squamous cell carcinoma.

Features and prognostic utility of biopsy in oral squamous cell carcinoma.

Head Neck. 2015 Dec 24;

Authors: Dhanda J, Uppal N, Chowlia H, Opie N, Al-Qamachi L, Shelat D, Aslam A, Yuffa A, Martin T, Risk J, Triantafyllou A, Shaw R, Parmar S, Mehanna H

Abstract
BACKGROUND: Traditional approaches in oral squamous cell carcinoma (OSCC) management utilize biopsy tissue for diagnostic purposes only. Adverse prognostic features, such as the tumor depth, are usually determined from final resection specimens, but are seldom studied in biopsy tissue.
METHODS: A preliminary study of 139 consecutive biopsies compared biopsy size with T classification, tumor site, and operator grade, and biopsy tumor depth with the true tumor depth.
RESULTS: This study demonstrated that biopsy size is independent of T classification (p = .44), subsite (p = .86), and operator grade (p = .10). The biopsy tumor depth significantly underrepresented true tumor depth (2.5 mm, 95% confidence interval [CI] = 2.4-2.9 vs 8.2 mm, 95% CI = 6.5-9.9; p < .001), confirming the limited prognostic utility of biopsies in OSCC.
CONCLUSION: A future clinical trial will compare the routine biopsy technique with standardized deeper biopsy techniques using punch biopsy to sample invasive fronts and investigate opportunities for up-front staging using a combination of histological features and epithelial and stromal molecular biomarkers in OSCC. © 2015 Wiley Periodicals, Inc. Head Neck, 2015.

PMID: 26705271 [PubMed - as supplied by publisher]



from #ENT-PubMed via ola Kala on Inoreader http://ift.tt/1OPOLjT
via IFTTT

Role of perioperative antibiotic treatment in parotid gland surgery.

Role of perioperative antibiotic treatment in parotid gland surgery.

Head Neck. 2015 Dec 24;

Authors: Shkedy Y, Alkan U, Roman BR, Hilly O, Feinmesser R, Bachar G, Mizrachi A

Abstract
BACKGROUND: The value of routine prophylactic antibiotic treatment in parotid gland surgery remains undetermined.
METHODS: A retrospective analysis was conducted of all patients who underwent parotidectomy at a university-affiliated tertiary care center between 1992 and 2009. Patients with insufficient data, specifically regarding postoperative complications and antibiotic administration were excluded from the study cohort.
RESULTS: A total of 593 patients underwent parotidectomy during the study period. After exclusion, 464 patients were eligible for the study. Perioperative antibiotic treatment was given to 206 patients (45%). There was no difference in wound infection rates between patients who received perioperative antibiotic therapy and those who did not (p = .168). Multivariate analysis showed that female sex, neck dissection, and drain output >50 cc/24 hours were predictive of postoperative wound infection.
CONCLUSION: Routine prophylactic antibiotic treatment has no role in parotid gland surgery. Perioperative antibiotic treatment is recommended for patients undergoing extensive parotid gland surgery with neck dissection. © 2015 Wiley Periodicals, Inc. Head Neck, 2015.

PMID: 26702565 [PubMed - as supplied by publisher]



from #ENT-PubMed via ola Kala on Inoreader http://ift.tt/1MAcIdj
via IFTTT