Αρχειοθήκη ιστολογίου

Παρασκευή 24 Ιουνίου 2016

Comparison of Endoscopic Tympanoplasty to Microscopic Tympanoplasty.

Comparison of Endoscopic Tympanoplasty to Microscopic Tympanoplasty.

Clin Exp Otorhinolaryngol. 2016 Jun 18;

Authors: Choi N, Noh Y, Park W, Lee JJ, Yook S, Choi JE, Chung WH, Cho YS, Hong SH, Moon IJ

Abstract
Objectives: This study aimed to compare the outcome of endoscopic and microscopic tympanoplasty.
Methods: This was a retrospective comparative study of 73 patients (35 males and 38 females) who underwent type I tympanoplasty at Samsung Medical Center from April to December 2014. The subjects were classified into two groups; endoscopic tympanoplasty (ET, n=25), microscopic tympanoplasty (MT, n=48). Demographic data, perforation size of tympanic membrane at preoperative state, pure tone audiometric results preoperatively and 3 months postoperatively, operation time, sequential postoperative pain scale (NRS-11), and graft success rate were evaluated.
Results: The perforation size of the tympanic membrane in ET and MT group was 25.3%±11.7% and 20.1%±11.9%, respectively (P=0.074). Mean operation time of MT (88.9±28.5 minutes) was longer than that of the ET (68.2±22.1 minutes) with a statistical significance (P=0.002). External auditory canal (EAC) width was shorter in the ET group than in the MT group (P=0.011). However, EAC widening was not necessary in the ET group and was performed in 33.3% of patients in the MT group. Graft success rate in the ET and MT group were 100% and 95.8%, respectively; the values were not significantly different (P=0.304). Pre- and postoperative audiometric results including bone and air conduction thresholds and air-bone gap were not significantly different between the groups. In all groups, the postoperative air-bone gap was significantly improved compared to the preoperative air-bone gap. Immediate postoperative pain was similar between the groups. However, pain of 1 day after surgery was significantly less in the ET group.
Conclusion: With endoscopic system, minimal invasive tympanoplasty can be possible with similar graft success rate and less pain.

PMID: 27334511 [PubMed - as supplied by publisher]



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