Πέμπτη 27 Φεβρουαρίου 2020

The vascularized fascia lata free flap: an anatomical study and clinical considerations.

The vascularized fascia lata free flap: an anatomical study and clinical considerations.:

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The vascularized fascia lata free flap: an anatomical study and clinical considerations.

Eur Arch Otorhinolaryngol. 2020 Feb 25;:

Authors: Janik S, Hirtler L, Traxler H, Weninger WJ, Seemann R, Erovic BM

Abstract

PURPOSE: Fascia lata (FL) is often used as fascial component of the anterolateral thigh (ALT) flap in head and neck reconstruction. No distinct data exist on whether the FL has its own reliable vascular supply and whether the fascia alone can be harvested as a fascia lata free flap.

METHODS: We dissected 25 thighs of 15 cadavers. The lateral circumflex femoral artery (LCFA) was identified, and the size of stained fascia and skin were measured after injection of methylene blue into the descending branch (DB). Finally, topography of fascial vessels was determined.

RESULTS: Staining of fascia and skin paddle was found in all 25 cases. Ascending skin perforators of the DB of the LCFA gave off branches for supply of the FL enabling harvest of a fascia lata free flap. Septo- or musculocutaneous perforators pierced FL and entered skin within the proximal 38.6-60% of the thigh. The mean length and width of stained FL was 15.8 ± 4.1 cm and 8.7 ± 2.0 cm, respectively, and size of stained FL ranged from 40.0 to 336.0 cm2. In 20 cases (80%), skin paddles were 2.4 times larger on average compared to corresponding FL.

CONCLUSION: We could demonstrate that the FL receives its own vascular supply from perforators of the DB originating from the LCFA. Hence, harvest of a fascia lata free flap is possible, reliable, and the size of the fascia is suitable for reconstruction of small and large defects of the head and neck.

PMID: 32100132 [PubMed - as supplied by publisher]

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