Orthopedic Research Center, Ghaem Hospital
Mashhad University of Medical Sciences
Ahmad-Abad Street, Mashhad, 91799-9199 Iran.
Background: Legg-Calve´-Perthes disease is a juvenile idiopathic osteonecrosis in which the blood supply of femoral head is not sufficient and the bone dies provisionally. The aim of this study is to evaluate outcome of Femoral osteotomy in children with LCPD in our University Hospital.
Methods: In a descriptive analytic study, between 2008 and 2013, patients with the diagnosis of Legg-Calve’-Perthes confirmed with lateral pillar calcification of B and B/C border were entered and patients were encouraged to come to an outpatient clinic for follow-up. Descriptive analysis of the demographics was performed and relation between variables was tested using a two-sided Student’s t test with statistical significance set at (p=0.05). Results: Mean age of patients was 9±1.3 years, with the range of 4 to 12 years old. 25 patients (86.2%) were male and 4 patients (13.4%) female. There was no positive family history in patients. 17 patients (58.6%) had history of trauma. Duration of symptom presentation was 7±6.3 months, with the range of 3 to 36 months. In 20 of patients (69%) left hip and in 12 (41.4%) right hip was involved. There was significant relation between femoral head asymmetry, trochanter enlargement (P=0.04), acetabolum changes (P<0.000), femoral neck shortening (P<0.000). There was no relation between age (P=0.28) and duration of disease (P=0.8) with femoral neck shortening. Conclusion: Intrtrochantric Osteotomy led to improvement in pain, limping and increase range of motion. Subluxation before surgery is one of the criteria, which could influence further prognosis. Acetabulom changes and femoral neck shortening are two factor seriously effect hip ROM.
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