Multicenter study of Blount disease in Japan by the Japanese Pediatric Orthopaedic Association.

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Abstract

[Indexed for MEDLINE] 5. Acta Ortop Bras. 2016 Mar-Apr;24(2):85-9. doi: 10.1590/1413-785220162402153725. MANAGEMENT OF INFANTILE BLOUNT'S DISEASE WITH MOLDED ORTHOSES: A NEW PERSPECTIVE. de Miranda Luzo MC, Montenegro NB(1), Massa BS(1), de Angeli LR(1), Cordeiro FG, Guarniero R. Author information: (1). Universidade de São Paulo, Faculdade de Medicina, Hospital das Clínicas, Instituto de Ortopedia e Traumatologia, São Paulo, SP, Brazil. Erratum in Acta Ortop Bras. 2016 Jul-Aug;24(4):222. doi: 10.1590/1413-785220162402153725ER.. de Miranda Luzo MC [added],Cordeiro FG [added], Guarniero G [added]. OBJECTIVE: : This retrospective study evaluated treatment with individually contoured molded bracing at early stages of the disease. METHODS: : We evaluated the medical records of patients undergoing treatment of Blount's disease with molded orthoses for medial decompression between 2010 and 2014. The deformity angle (Drennan's metaphyseal-diaphyseal angle) and Langenskiöld classification were measured before and after treatment by a pediatric orthopedic surgeon with over 5 years of practice, blinded for the study and patients. RESULTS: : The mean age was 2.57 years old. Four patients were female and six male. Half of the total sample had bilateral disease. The average deformity angle showed a statistically significant reduction after treatment (p 0.05). CONCLUSION: : The nightly use of molded orthoses for medial decompression was effective in reducing the metaphyseal-diaphyseal angle in Blount's disease in children under 3 years of age, regardless of gender and bilateral disease. Patients over 3 years old did not benefit from bracing. Level of Evidence IV, Case Series. DOI: 10.1590/1413-785220162402153725 PMCID: PMC4775496