Foot & ankle international · 2013
Reconstruction of calcaneal fracture malunion with osteotomy and subtalar joint salvage: technique and outcomes.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Yu Guang-Rong, Hu Sun-Jun, Yang Yun-Feng, Zhao Hong-Mou, Zhang Shi-Min
Аннотация
BACKGROUND: The goal of this study was to discuss the outcomes of treating calcaneal fracture malunion by restoring the subtalar joint with a reconstructive osteotomy.
METHODS: From May 2005 to November 2008, 24 patients (26 feet) with calcaneal malunions after a displaced intra-articular calcaneal fracture were treated by osteotomy and autogenous bone graft. The subtalar joint was preserved. The mean time from initial injury to reconstructive operation was 5.7 months (95% confidence interval, 4.5-8.8 months). The displaced posterior facet was restored through a reconstructive osteotomy, whereas the bone defect in the calcaneus after reduction was filled with the exostosis that had been removed; iliac bone graft was used if necessary. All patients were evaluated clinically and radiographically at a minimum of 24 months. Twenty patients (21 feet) were followed for a mean of 34.2 months (29.0-39.4 months).
RESULTS: According to American Orthopaedic Foot & Ankle Society (AOFAS) ankle and hindfoot score, the average score was 85.9 points (95% confidence interval, 81.5-90.4 points), which was significantly higher than the preoperative assessment. Radiographs showed that Böhler's angle, Gissane's angle, talus declination angle, and width and height of calcaneus were improved to a great extent. Six patients had wound edge necrosis, and 2 had superficial infection. One patient required a subtalar fusion for subtalar arthritis at 2 years after surgery.
CONCLUSIONS: Restoring the subtalar joint with a reconstructive osteotomy and autogenous bone graft was an effective treatment method for selected calcaneal fracture malunions. It reconstructed calcaneal morphology and preserved the subtalar joint.
LEVEL OF EVIDENCE: Level IV, retrospective case series.
METHODS: From May 2005 to November 2008, 24 patients (26 feet) with calcaneal malunions after a displaced intra-articular calcaneal fracture were treated by osteotomy and autogenous bone graft. The subtalar joint was preserved. The mean time from initial injury to reconstructive operation was 5.7 months (95% confidence interval, 4.5-8.8 months). The displaced posterior facet was restored through a reconstructive osteotomy, whereas the bone defect in the calcaneus after reduction was filled with the exostosis that had been removed; iliac bone graft was used if necessary. All patients were evaluated clinically and radiographically at a minimum of 24 months. Twenty patients (21 feet) were followed for a mean of 34.2 months (29.0-39.4 months).
RESULTS: According to American Orthopaedic Foot & Ankle Society (AOFAS) ankle and hindfoot score, the average score was 85.9 points (95% confidence interval, 81.5-90.4 points), which was significantly higher than the preoperative assessment. Radiographs showed that Böhler's angle, Gissane's angle, talus declination angle, and width and height of calcaneus were improved to a great extent. Six patients had wound edge necrosis, and 2 had superficial infection. One patient required a subtalar fusion for subtalar arthritis at 2 years after surgery.
CONCLUSIONS: Restoring the subtalar joint with a reconstructive osteotomy and autogenous bone graft was an effective treatment method for selected calcaneal fracture malunions. It reconstructed calcaneal morphology and preserved the subtalar joint.
LEVEL OF EVIDENCE: Level IV, retrospective case series.