Thirty-seven central physeal bars were removed with an arthroscopically assisted technique. Thirty children (32 cases) have been followed to maturity or physeal closure. There were 19 boys and 11 girls, aged 4-14 years (mean, 9.5 years). Site of arrest was distal femur (15), proximal tibia (9), distal tibia (6), and distal radius (2). Mean follow-up was 6.5 years (range, 2-12 years). Adequate longitudinal growth was realized in 21 patients (70%) just after bar resection. Five patients (17%) required osteotomy, lengthening, or epiphysiodesis in addition to bar resection. In 4 patients (13%), bar resection failed. Failures occurred in those patients whose source of growth arrest was infection (3) or degree of physeal trauma approached 50% (1 case). This is the first series that studies and documents the efficacy of the arthroscope in central physeal bar resection. It provides the best visualization with minimal morbidity. The technique is described, including a discussion of technical tips and pitfalls.



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