Publication date: Available online 6 December 2017
Source:Annales de Chirurgie Plastique Esthétique
Author(s): S. Struk, J.-B. Schaff, Q. Qassemyar
IntroductionLe lambeau médial sural perforant (medial sural artery perforator [MSAP] flap) est un lambeau cutanéo-graisseux, fin et malléable, prélevé aux dépens de la face médiale de la jambe. Ce lambeau est encore peu utilisé en France. L'objectif de ce travail, effectué à partir de dissections sur sujets anatomiques, est de rappeler les bases anatomiques et la technique chirurgicale de ce lambeau, et de proposer des indications en reconstruction cervicofaciale.Matériel et méthodesNous avons disséqué 10 lambeaux MSAP sur 5 sujets anatomiques différents. Dans chaque cas, le nombre et la localisation des perforantes issues de l'artère surale médiale étaient enregistrés. Pour chaque lambeau, nous avons rapporté la longueur du pédicule, le calibre des vaisseaux à l'origine du pédicule ainsi que l'épaisseur du lambeau. Enfin, nous avons réalisé un cas clinique pour un trismus post-thérapeutique.RésultatsUn total de 23 perforantes de calibre supérieur à 1mm a été identifié sur les 10 jambes disséquées. L'artère surale médiale donnait 1 à 4 perforantes musculocutanées. Les perforantes étaient localisées en moyenne à 10,3cm±2cm du creux poplité et à 3,6cm±1cm de la ligne médiane du mollet. La longueur moyenne du pédicule était de 12,1cm±2,5cm. À l'origine du pédicule, l'artère mesurait en moyenne 1,8mm±0,25mm et les veines mesuraient en moyenne 2,45mm±0,9mm. Le cas clinique s'est déroulé sans complication avec le prélèvement d'un lambeau perforant sural médial droit.DiscussionCette étude confirme la constance de l'anatomie du lambeau médial sural perforant. Le lambeau MSAP est fin, malléable et particulièrement adaptée à la reconstruction des pertes de substance muqueuses de la cavité orale ou pour le « resurfaçage » de la face ou des extrémités. Les séquelles au niveau du site donneur sont moindres qu'avec le lambeau antébrachial radial pour des résultats fonctionnels équivalents en reconstruction cervicofaciale.IntroductionThe medial sural artery perforator (MSAP) flap is defined as a thin cutaneo-adipose perforator flap harvested on the medial aspect of the leg. The aims of this study were to describe the anatomical basis as well as the surgical technique and discuss the indications in head and neck reconstructive surgery.Material and methodsWe harvested 10 MSAP flap on 5 fresh cadavers. For each case, the number and the location of the perforators were recorded. For each flap, the length of pedicle, the diameter of source vessels and the thickness of the flap were studied. Finally, we performed a clinical application of a MSAP flap.ResultsA total of 23 perforators with a diameter superior than 1mm were dissected on 10 legs. The medial sural artery provided between 1 and 4 musculocutaneous perforators. Perforators were located in average at 10.3cm±2cm from the popliteal fossa and at 3.6cm±1cm from the median line of the calf. The mean pedicle length was 12.1cm±2.5cm. At its origin, the source artery diameter was 1.8mm±0.25mm and source veins diameters were 2.45mm±0.9mm in average. There was no complication in our clinical application.DiscussionThis study confirms the reliability of previous anatomical descriptions of the medial sural artery perforator flap. This flap was reported as thin and particularly adapted for oral cavity reconstruction and for facial or limb resurfacing. Sequelae might be reduced as compared to those of the radial forearm flap with comparable results.
from #ORL-AlexandrosSfakianakis via ola Kala on Inoreader http://ift.tt/2j13eHd
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Τετάρτη 6 Δεκεμβρίου 2017
Le lambeau médial sural perforant : bases anatomiques, technique chirurgicale et indications en reconstruction cervicofaciale
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