Reconstruction of Lower Extremity Soft Tissue Defect using Gastrocnemius Musculo-adipofascial Flap

Sohn, Byung Kyu; Lee, Sang Soon; Chung, Yoon Jae

Abstract

UUse of the gastrocnemius muscle flap has proven to be highly effective in reconstruction of knee and lower leg defect due to its easy procedure, anatomical consistency, and less donor site morbidity.The gastrocnemius muscle is anatomically spindle shape, the volume of the distal part of the muscle for coverage is actually quite small and also even smaller when disuse atrophy is accompanied due to trauma. Although the defect is inside flap's arc of rotation, it is out of gastrocnemius muscle flap's indication when the defect size is extensive, and even though the defect is small, it is also out of indication when the defect is a bit out of arc of rotation. There has been a lot of modification to increase the flap's arc of rotation or dimension. However, it is difficult to achieve satisfactory results due to limitation and expense in clinical application. Authors used, for soft tissue reconstruction on broader area, gastrocnemius musculo-adipofascial flap, rather than classical gastrocnemius muscle flap, based on the fascial plexus of gastrocnemius muscle. We obtained a good result in lower extremity reconstruction of 7 cases from March 1999 to July 2000 and report this result with several cases.