Objective: To study the method and effect of free rectus abdominis muscle flaps with intermediate split thickness skin graft in repairing defects on legs and ankles.
Methods: From May 1998 to December 2002, 11 cases of defects on legs (2 cases) and on ankles (9 cases) were repaired by use of unilateral free rectus abdominis flap with skin graft. The soft tissue defects were accompanied by osteomyelitis or the exposure of bone or tendon. The disease course was 1 month to 10 years. The defect size ranged 3 cm x 4 cm to 8 cm x 14 cm. The area of rectus abdominis muscle flaps was 4 cm x 6 cm to 8 cm x 15 cm.
Results: All patients were followed up 6 months to 4 years after operation. All rectus abdominis flaps survived with good appearances and functions. The primary healing was achieved in 8 cases, intermediate split thickness skin graft necrosed in 3 cases and the wound healed after skin re-graft.
Conclusion: Free rectus abdominis flap is a proper option for repair of the soft tissue defects or irregular wounds on legs and ankles. It has the advantages of abundant blood supply, strong anti-infection ability, good compliance and satisfied appearance.