The study of expanded tri-lobed flap in a rabbit model: possible flap model in ear reconstructionReport as inadecuate




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BMC Surgery

, 3:13

First Online: 16 December 2003Received: 23 July 2003Accepted: 16 December 2003

Abstract

BackgroundLocal flaps are widely used in reconstructive surgery. Tri-lobed skin flap is a relatively new flap and there has been no experimental model of this flap. This flap can be used for repair of full thickness defects in the face, ears and alar region. Based on the size of ears in a rabbit, we designed a model of ear reconstruction using expanded tri-lobed flap. Local flaps are more advantageous in that they provide excellent color and texture matching up with those of the face, adequately restore ear contour, place scars in a favorable location and ideally accomplish these goals in a single stage with minimal donor site morbidity.

MethodsEight adult New Zealand rabbits were divided into two groups. 50 ml round tissue expander were implanted to four rabbits. After completion of the expansion, a superiorly based tri-lobed flap was elevated and a new ear was created from the superior dorsal skin of each rabbit. Scintigraphy with Technetium-99m pertecnetate was performed to evaluate flap viability.

ResultsSubtotal flap necrosis was seen in all animals in non-expanded group. New ear in dimensions of the original ear was created in expanded group without complication. Perfusion and viability of the flaps were proved by Technetium-99m pertecnetate scintigraphy.

ConclusionAccording to our knowledge this study is the first to demonstrate animal model in tri-lobed flap. Also, our technique is the first application of the trilobed flap to the possible ear reconstruction. We speculated that this flap may be used mastoid based without hair, in human. Also, tri-lobed flap may be an alternative in reconstruction of cylindrical organs such as penis or finger.

Electronic supplementary materialThe online version of this article doi:10.1186-1471-2482-3-13 contains supplementary material, which is available to authorized users.

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Author: Eray Copcu - Mesut Yazici - Barlas Etensel - Yakup Yüreklý - Muharrem Balkaya

Source: https://link.springer.com/article/10.1186/1471-2482-3-13



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