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Intramedullary Free Gracilis for Dead-Space Obliteration and Stump Resurfacing in a Transfemoral Amputee With Recurrent Osteomyelitis.
Eplasty 2023
BACKGROUND: A 72-year-old man with a history of delayed presentation for severe right lower extremity burns underwent through-knee amputation complicated by periprosthetic distal femur osteomyelitis. Subsequent transfemoral amputation was complicated by Stage IVB Cierny-Mader osteomyelitis despite appropriate medical and surgical treatment.
METHODS: Due to the presence of threatened proximal femur intramedullary nail from prior intertrochanteric femur fracture, inability to further shorten femur, and lack of local soft-tissue options, we performed soft tissue reconstruction with free gracilis flap. The free gracilis flap was pulled proximally through the femoral canal to obliterate intramedullary dead space and provide distal femoral stump coverage.
RESULTS: The stump was fully healed upon 6-month follow-up with computerized tomography demonstrating continued presence of gracilis flap within the femoral canal and no evidence of osteomyelitis. At 1-year follow-up, the patient was ambulatory using a prosthetic without recurrence of osteomyelitis.
CONCLUSIONS: Previous descriptions of intramedullary free muscle flaps for the treatment of osteomyelitis are limited in number, with its function being limited to dead-space obliteration. This report presents intramedullary free gracilis flap to be a viable option in above-knee amputees for combined dead space obliteration and stump resurfacing in the context of recurrent osteomyelitis.
METHODS: Due to the presence of threatened proximal femur intramedullary nail from prior intertrochanteric femur fracture, inability to further shorten femur, and lack of local soft-tissue options, we performed soft tissue reconstruction with free gracilis flap. The free gracilis flap was pulled proximally through the femoral canal to obliterate intramedullary dead space and provide distal femoral stump coverage.
RESULTS: The stump was fully healed upon 6-month follow-up with computerized tomography demonstrating continued presence of gracilis flap within the femoral canal and no evidence of osteomyelitis. At 1-year follow-up, the patient was ambulatory using a prosthetic without recurrence of osteomyelitis.
CONCLUSIONS: Previous descriptions of intramedullary free muscle flaps for the treatment of osteomyelitis are limited in number, with its function being limited to dead-space obliteration. This report presents intramedullary free gracilis flap to be a viable option in above-knee amputees for combined dead space obliteration and stump resurfacing in the context of recurrent osteomyelitis.
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