Zhongguo xiu fu chong jian wai ke za zhi = Zhongguo xiufu chongjian waike zazhi = Chinese journal of reparative and reconstructive surgery · 2017
[Tissue flap combined with sequential bone lengthening technique for repairing severe soft tissue and bone defects of lower extremity after burn injury].
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Shen Yuming, Chen Hui, Hu Xiaohua, Huang Lei, Ma Chunxu
Аннотация
OBJECTIVE: To investigate the effectiveness of tissue flap grafting and sequential bone lengthening for repairing severe soft tissue and bone defects of the lower extremity after burn injury.
METHODS: Between January 2010 and December 2015, 11 cases of large segmental bone and soft tissue defects in the leg were treated. There were 10 males and 1 female, with a mean age of 28 years (range, 19-37 years). The causes included traffic accident in 8 cases, high voltage electric burn in 2 cases, CO poisoning burn in 1 case. The time from injury to admission was 3-14 days (mean, 6.5 days). The bone defect length was 8-18 cm (mean,14 cm); the skin soft tissue defect ranged from 13 cm × 8 cm to 25 cm × 19 cm. After complete removal of necrotic tissue and lesions of the femur or the tibia, the tissue flaps were used to repair soft tissue defect of the lower extremity in one-stage operation; bone defect was treated by Orthofix single side external fixation or Ilizarov ring external fixation in two-stage operation.
RESULTS: Eleven flaps survived completely, primary healing of incision was obtained in the others except for 1 patient who had necrotic bone infection, which was cured after removing necrosed femoral bone and filling with antibiotic bone cement spacer. During bone lengthening, pin tract infection occurred in 1 patient, and infection was controlled after dressing change. Bone lengthening ranged from 8 to 18 cm, with an average of 14 cm. After prolonged extension, the external fixator was retained for 4-12 months (mean, 6.5 months). All bone defects were repaired with bone healing time of 12-22 months (mean, 17 months). All patients were followed up 8-24 months (mean, 15 months). No vascular and neurological complication occurred during operation; no osteomyelitis or re-fracture occurred after operation, and the recovery of the lower extremity function was good.
CONCLUSION: Tissue flap grafting combined with bone lengthening is an effective method to repair severe bone and soft tissue defects of lower extremity.
METHODS: Between January 2010 and December 2015, 11 cases of large segmental bone and soft tissue defects in the leg were treated. There were 10 males and 1 female, with a mean age of 28 years (range, 19-37 years). The causes included traffic accident in 8 cases, high voltage electric burn in 2 cases, CO poisoning burn in 1 case. The time from injury to admission was 3-14 days (mean, 6.5 days). The bone defect length was 8-18 cm (mean,14 cm); the skin soft tissue defect ranged from 13 cm × 8 cm to 25 cm × 19 cm. After complete removal of necrotic tissue and lesions of the femur or the tibia, the tissue flaps were used to repair soft tissue defect of the lower extremity in one-stage operation; bone defect was treated by Orthofix single side external fixation or Ilizarov ring external fixation in two-stage operation.
RESULTS: Eleven flaps survived completely, primary healing of incision was obtained in the others except for 1 patient who had necrotic bone infection, which was cured after removing necrosed femoral bone and filling with antibiotic bone cement spacer. During bone lengthening, pin tract infection occurred in 1 patient, and infection was controlled after dressing change. Bone lengthening ranged from 8 to 18 cm, with an average of 14 cm. After prolonged extension, the external fixator was retained for 4-12 months (mean, 6.5 months). All bone defects were repaired with bone healing time of 12-22 months (mean, 17 months). All patients were followed up 8-24 months (mean, 15 months). No vascular and neurological complication occurred during operation; no osteomyelitis or re-fracture occurred after operation, and the recovery of the lower extremity function was good.
CONCLUSION: Tissue flap grafting combined with bone lengthening is an effective method to repair severe bone and soft tissue defects of lower extremity.