Key result
Closed-wedge femoral varus osteotomy resulted in a significantly greater final center-edge angle compared to open-wedge osteotomy (22 vs 16 degrees, p=0.006) in children with Perthes disease, though clinical and Stulberg classification outcomes were similar.
Why the study?
To evaluate the long-term results of femoral varus osteotomy in Perthes disease with Herring B and C involvement and compare open-wedge versus closed-wedge osteotomy techniques.
Does open-wedge femoral varus osteotomy compared to closed-wedge osteotomy improve outcomes in children with Perthes disease?
Population
19 patients (22 hips) with Perthes disease aged 6 to 8 years at onset with Herring B and C involvement
Comparison
Open-wedge osteotomy (Group A) vs closed-wedge osteotomy (Group B)
Design
Retrospective observational study
Follow-up
Mean 15.2 years
Authors
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Closed-wedge osteotomy was associated with better center-edge angles without differences in clinical outcomes; leaves open optimal technique in Perthes disease.
Observational (n=19)
No
Does open-wedge femoral varus osteotomy compared to closed-wedge osteotomy improve outcomes in children with Perthes disease?
Absolute Event Rate: 22% vs 16%
p-value: p=0.006
In children with Perthes disease, femoral varus osteotomy is an effective treatment, with closed-wedge osteotomy providing more favorable center-edge angle results compared to open-wedge osteotomy.
Atilla Çıtlak (2020) conducted an observational in Perthes disease (n=19). Closed-wedge femoral varus osteotomy vs. Open-wedge femoral varus osteotomy was evaluated on Final center-edge (CE) angle (p=0.006). Closed-wedge femoral varus osteotomy resulted in a significantly greater final center-edge angle compared to open-wedge osteotomy (22 vs 16 degrees, p=0.006) in children with Perthes disease, though clinical and Stulberg classification outcomes were similar.