ArticleZhongguo xiu fu chong jian wai ke za zhi = Zhongguo xiufu chongjian waike zazhi = Chinese journal of reparative and reconstructive surgery2025
[External fixation combined with microsurgical techniques for repairing complex foot and ankle wounds in children].
Article in Zhongguo xiu fu chong jian wai ke za zhi = Zhongguo xiufu chongjian waike zazhi = Chinese journal of reparative and reconstructive surgery, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Objective: To investigate the management strategies of external fixation combined with microsurgical techniques for repairing complex foot and ankle wounds in children. Methods: The clinical data of 9 children with complex foot and ankle wounds who met the selection criteria between June 2017 and December 2021 was retrospectively analyzed. There were 6 boys and 3 girls, aged 3-13 years, with an average of 7.4 years. The causes of injury included crush injury in 5 cases and traffic accident injury in 4 cases. The wound size ranged from 6 cm×5 cm to 25 cm×18 cm. The time from injury to surgery ranged from 3 to 8 hours, with an average of 5 hours. All cases underwent staged surgical treatment. Among the 3 cases requiring deformity correction, 2 cases initially underwent free anterolateral thigh flap transplantation for wound coverage and limb salvage, followed by circular external fixation combined with osteotomy to address postoperative limb deformity, while 1 case received osteotomy for tibial fracture realignment prior to local pedicled flap reconstruction. All the 6 cases with non-deformity correction underwent initial external fixation followed by secondary flap reconstruction for wound management. The American Orthopaedic Foot & Ankle Society (AOFAS) ankle-hindfoot score was used to evaluate the foot and ankle function of children. Results: All children successfully achieved limb salvage postoperatively. Among the 6 non-deformity correction cases, all flaps survived with satisfactory wound healing and no infection was observed; fractures healed within 2.5-4.5 months, after which external fixators were removed for functional rehabilitation with favorable recovery. One case treated with circular external fixation combined with osteotomy achieved bone union at 4 months postoperatively, followed by fixator removal. One case undergoing osteotomy for tibial fracture realignment showed bone healing at 2.5 months post-correction, with subsequent fixator removal. One patient receiving bone lengthening developed infection at 1 week postoperatively, which was managed with multiple debridements, ultimately achieving bone union at 16 months postoperatively and followed by fixator removal. At last follow-up, all patients demonstrated satisfactory ankle-hindfoot functional recovery, with AOFAS ankle-hindfoot scores ranging from 80 to 90 (mean, 84.2). Conclusion: The combination of external fixation and microsurgical techniques demonstrates significant advantages in reconstructing complex foot and ankle wounds in children. The synergistic interaction provides both mechanical stability and biological repair, enabling early functional rehabilitation while reducing infection risks.
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