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Blount's disease
G L Di Gennaro1, M Bacchini, A Viganò
1Divisione di Ortopedia e Traumatologia Pediatrica, Istituti Ortopedici Rizzoli, Bologna.
La Chirurgia Degli Organi Di Movimento
|September 25, 2001
Summary
Valgus osteotomy is effective for adolescent Blount's disease but shows a 25% poor outcome rate in infantile cases. Treatment for infantile Blount's disease requires tailored osteotomy based on tibial metaepiphysis findings.
Area of Science:
- Orthopaedic Surgery
- Pediatric Orthopaedics
- Skeletal Dysplasias
Background:
- Blount's disease is a growth disorder affecting the proximal tibia.
- It presents in infantile and adolescent forms with distinct characteristics.
- Accurate diagnosis and tailored treatment are crucial for optimal outcomes.
Purpose of the Study:
- To compare the outcomes of valgus osteotomy in infantile and adolescent Blount's disease.
- To identify factors influencing treatment success in different Blount's disease types.
- To recommend surgical approaches based on disease presentation.
Main Methods:
- Retrospective review of 40 patients with Blount's disease treated between 1965 and 1996.
- Analysis of infantile (29 patients) and adolescent (11 patients) types.
- Treatment involved valgus osteotomy, with variations for adolescent cases.
Main Results:
- Infantile Blount's disease (mean age 5.5 years) had a 25% poor outcome rate with valgus osteotomy.
- Adolescent Blount's disease (mean age 12.6 years) showed consistently favorable results with valgus osteotomy and elevation.
- Mean follow-up was 3.6 years for infantile and 2 years for adolescent types.
Conclusions:
- Valgus osteotomy is effective for adolescent Blount's disease.
- Treatment for infantile Blount's disease requires individualized surgical strategy.
- Osteotomy selection should consider the specific anatomopathological findings of the proximal tibial metaepiphysis.
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