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Background: The purpose of this study was to examine the evolution of Legg–Calvé–Perthes' disease (LCPD) among children from British Columbia (BC), Canada who were treated non-operatively and to compare the results to a previously conducted study in India. Methods: This was a retrospective review of patients treated non-operatively for LCPD in BC between 1990 and 2006 compared with a cohort from India. Demographic and treatment information were collected from medical records. Radiographs were assigned modified Waldenstrom, Catterall, Salter–Thompson and Herring classifications and intra- and interobserver reliability were assessed. We evaluated epiphyseal extrusion (EE) and metaphyseal width (MW), and assessed radiographs using the Mose and modified Stulberg classifications. Results: 102 hips (90 patients) had radiographs available for evaluation. 95% of the BC cohort presented as Waldenstrom stages I and II, whereas, 90% of the Indian cohort presented as IIIa. Final EE was similar for both groups (BC 26.8%, India 27.3%) and final MW was 119% in both groups. Modified Waldenstrom and Herring classifications had substantial intra- and interobserver reliability, while Salter–Thompson and Catterall classifications had moderate agreement at best. Most hips were Catterall IV (80%) and Herring C (89%) for the BC cohort compared to only 44% and 43% of Indian hips, respectively. Most hips were irregular according to the Mose classification (BC 43%, India 52%) and aspherical according to the Stulberg classification (BC 78%). Conclusions: We found similar radiographic progression and final radiographic appearances of LCPD in India and BC though differences in the distribution of the classification systems warrant further study. [ABSTRACT FROM AUTHOR]

Background: Developmental dysplasia of hip (DDH) is a common disorder of childhood and has a good prognosis when treated at an early age. In spite of being a significant concern, many children with DDH are not picked early and present late at walking age. In our country, it is presumed to be due to absence of a national policy for screening of DDH. Screening programmes including the combination of clinical and radiological methods in different ways have been suggested. However, the exact method of screening is controversial. Purpose: To analyze effectiveness and cost-effectiveness of various screening methods for DDH. Study Design: Systematic review. Methods: This review was conducted in accordance with PRISMA guidelines. Medline database was explored for original case series and randomized clinical trials. Inclusion criteria were English language, screening for DDH in neonates, sample size more than 500, and studies with minimum duration of one year. Results: Thirty-four studies were selected to write the manuscript. This included 23 studies looking for effectiveness of a screening programme and 11 studies comparing various outcomes of different screening strategies. A trend favoring universal ultrasound screening was observed Conclusion: The literature supports universal ultrasound screening and has proved its cost-effectiveness. However, considering the logistic and financial challenges in our country, immediate implementation of universal ultrasound screening seems impractical. In the absence of any current guidelines for screening for DDH in India, we suggest professional organizations involved in the care of children and public health policy-makers to come together to develop national screening guidelines for DDH. [ABSTRACT FROM AUTHOR]