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Abstract Objective To examine the clinical efficacy of multilevel osteotomy and the Ilizarov technique to correct genu valgum deformities in adolescents.Methods Thirteen adolescents (15 knees) with severe genu valgum deformities were treated with multilevel osteotomy and Ilizarov external fixation apparatus at the Department of Orthopaedics in the Affiliated Hospital of Weifang Medical University between September 2019 and March 2021.8 patients were male (61.54%)，and 5 patients were female (38.46%).Their ages ranged from 9 to 17 years，with an average age of (13.57±2.71)years.The deformities affected the left knee in 9 cases (60%) and the right knee in 6 cases (40%).We compared various parameters，including anatomic femurtibia angle (aFTA)，lateral distal femoral angle (LDFA) and medial proximal tibial angle (MPTA) before the surgery，at 3 months post-surgery，at 6 months post-surgery，and at the last follow-up.Knee joint range of motion，Oxford knee score (OKS)，and hospital for special surgery (HSS) knee-rating scale before surgery and at the last follow-up were also compared.Results Thirteen patients (15 knees) with knee joint deformities were followed up for a duration of 24 to 39 months，with an average follow-up time of (29.63±3.29)months.In comparison to the preoperative measurements，aFTA and LDFA showed significant reductions at 3 months，6 months，and the last follow-up (P＜0.001)，while MPTA significantly increased (P＜0.001).Compared to the preoperative status，the knee range of motion in the patients exhibited no significant abnormalities at the last follow-up (P＞0.05)，the OKS significantly decreased (P＜0.001)，and the score of HSS significantly improved (P＜0.001).Conclusion The use of multilevel osteotomy in combination with the Ilizarov technique demonstrates significant efficacy in treating genu valgum deformities in adolescents.This treatment approach can yield highly satisfactory results.
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Corresponding Authors:
Zhong Wei
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