Qualitative and Quantitative Analyses of Donor Site Morbidity Following a Graft of the Acellular Dermal Matrix Versus Primary Fascial Repair After ALT Flap Harvesting.

Background: The anterolateral thigh (ALT) flap is one of the most useful flaps in reconstruction because of its reliability, large skin flap territory, and versatility. The relatively small number of side effects is a common reason for preferring this flap. Primary repair is usually performed at the donor site closure; however, this requires substantial tension and causes many donor site morbidities, including pain. We attempted to use acellular dermal matrix graft to overcome these problems.

Methods: We analyzed a total of 41 cases (41 flaps) in this study. Among these flaps, we conducted donor fascia suture with artificial dermis in 20 cases (study group) and primary fascial suture in 21cases (control group). Post-operative ambulation recovery times, pain scores, drainage removals, and wound problems of the donor site were recorded.

Results: There were no serious complications, including infection, at the donor sites of all 41 cases. Of 20 cases using the acellular dermal matrix, seroma occurred in 2 cases and partial skin necrosis occurred in 2 cases. In 1 case of skin necrosis, the acellular dermal matrix was removed. However, in comparison to the control group, the group using the artificial dermis recovered ambulatory ability 3.9 days earlier and had a 1.8-point lower visual analogue scale score 5 days post-operatively.

Conclusions: Our study suggested that, if used selectively, the acellular dermal matrix may play an effective role in donor site closure in cases with procedures involving the ALT flap.