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Optimal timing for containment surgery for Perthes disease
Benjamin Joseph1, N Sreekumaran Nair, K L Narasimha Rao
1Paediatric Orthopaedic Service, Department of Orthopaedics, Kasturba Medical College, Manipal, Karnataka, India. benjamin.joseph@kh.manipal.edu
Insights
Optimal timing for containment surgery in Perthes disease is crucial. Early surgery during avascular necrosis or early fragmentation stages improves femoral head sphericity outcomes.
Area of Science:
- Pediatric Orthopedics
- Pediatric Orthopedic Surgery
- Pediatric Bone Diseases
Background:
- Perthes disease can lead to femoral head deformity.
- Containment surgery aims to prevent this deformation.
- Optimal surgical timing requires further investigation.
Purpose of the Study:
- To determine the ideal timing for containment surgery in Perthes disease.
- To identify factors influencing femoral head shape and size post-surgery.
Main Methods:
- Analysis of outcomes in 97 children undergoing femoral osteotomy for Perthes disease.
- Utilized univariate and multivariate analyses to assess influencing variables.
- Correlated surgical timing with femoral head morphology at healing.
Main Results:
- Surgical timing significantly impacted treatment outcomes.
- Higher rates of spherical femoral head achieved with surgery during avascular necrosis or early fragmentation stages.
- Delayed surgery correlated with poorer outcomes.
Conclusions:
- Containment surgery for Perthes disease should be performed before advanced fragmentation stages.
- Timing of surgical intervention is a critical variable influencing outcomes.
- Future studies must account for surgical timing when evaluating Perthes disease treatments.
Abstract:
To identify the optimal timing for containment surgery for Perthes disease, the outcomes following femoral osteotomy of 97 children were analyzed. Univariate and multivariate analyses were employed to identify variables that influenced the shape and size of the femoral head at healing. The timing of surgery was an important variable that had a bearing on the outcome. The chances of retaining a spherical femoral head were much higher in children operated on either during the stage of avascular necrosis or in the early part of the fragmentation stage than in those operated later. The authors conclude that containment surgery aimed at preventing femoral head deformation in Perthes disease should be performed before the advanced stage of fragmentation. Further, any study on the outcome of containment treatment of Perthes disease must consider the timing of containment as a variable that influences the outcome while interpreting the results.
