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Physeal stapling for idiopathic genu valgum
P M Stevens1, M Maguire, M D Dales
1University of Utah School of Medicine, Salt Lake City, USA.
Journal of Pediatric Orthopedics
|September 17, 1999
Summary
Hemiphyseal stapling effectively treats adolescent idiopathic genu valgum, improving knee alignment and reducing pain. This safe and well-tolerated procedure offers high patient satisfaction and avoids corrective osteotomies.
Area of Science:
- Orthopedic Surgery
- Pediatric Orthopedics
- Biomechanical Engineering
Background:
- Adolescent idiopathic genu valgum presents with anterior knee pain, patellofemoral instability, and gait abnormalities.
- Untreated genu valgum can lead to long-term functional limitations and pain.
Purpose of the Study:
- To evaluate the efficacy of hemiphyseal stapling as an ideal treatment for adolescent idiopathic genu valgum.
- To assess clinical outcomes and radiographic improvements following hemiphyseal stapling.
Main Methods:
- Retrospective review of 76 patients (152 knees) with adolescent idiopathic genu valgum treated with hemiphyseal stapling.
- Clinical assessments included gait, limb length, alignment, and patellofemoral stability.
- Radiographic evaluation of distal femoral angle (DFA), femoral tibial angle (FTA), and mechanical axis (MA) pre- and post-procedure.
Main Results:
- Significant improvements observed in gait, clinical symptoms, and all measured radiographic parameters post-stapling.
- Hemiphyseal stapling successfully corrected the anatomic malalignment associated with genu valgum.
- No premature physeal closures were reported, indicating procedural safety.
Conclusions:
- Hemiphyseal stapling is a safe and effective treatment for adolescent idiopathic genu valgum, alleviating symptoms and improving function.
- The procedure demonstrates high patient satisfaction and obviates the need for more invasive corrective osteotomies.
- This method provides a reliable solution for managing genu valgum in adolescents.