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• W2934321310 abstract "ObjectiveTo evaluate the clinical and radiological outcomes of one-stage surgery for developmental dislocation of the hip (DDH) in children and explore whether such a procedure increase the risk of avascular necrosis (AVN) in children aged 2 to 3 years.MethodsFrom January 2009 to December 2010, a total of 31 children (45 hips) aged 2 to 6 years received one-stage surgeries including open reduction, Salter innominate osteotomy and proximal femoral osteotomy They were divided into two groups according to treatment age: Group 1 (28 hips) aged ≤3 years and Group 2 (17 hips) aged 3-6 years. Tonnis and Kalamchi-MacEwen classifications were used for classifying the radiographic features of hip at pre and post-operation. Thirty hips were defined as grade III (21 hips in group 1; 9 hips in group 2) and 15 hips grade IV (7 hips in group 1; 8 hips in group 2). Clinical outcomes were assessed with the modified McKay's scoring system.ResultsThe mean operative age was 37.22±11.60 months and the mean follow-up period 5.93±0.76 years. According to the Kalamchi-MacEwen classification, AVN was observed in 14 hips (31.1%) at the final follow-up. In group 1, AVN was present in 9 hips (32.1%). The grades were Ⅰ (44.4%), Ⅱ (11.1%), Ⅲ (33.3%) and Ⅳ (11.1%). In group 2, AVN was found in 5 hips (29.4%). And the grades were defined Ⅰ (60%), Ⅱ (20%) and Ⅳ (20%). No significant inter-group difference existed (P=0.560). Furthermore, according to McKay's scoring system, 73.3% patients yielded excellent outcomes whereas 15.6% had good results. No significant inter-group difference was noted (P=0.944). One patient required re-operation for residual subluxation. And the re-operative rate was 2.22%.ConclusionsOne-stage procedures of open reduction, Salter innominate osteotomy and proximal femoral osteotomy are efficacious for DDH in children aged 2-6 years. Also it is safe for patients aged ≤3 years to obtain satisfactory clinical outcomes without a higher risk of AVN.Key words: Developmental dysplasia of the hip; Osteotomy; Ischemic necrosis of head of femur" @default.
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• W2934321310 date "2017-07-15" @default.
• W2934321310 modified "2023-09-27" @default.
• W2934321310 title "Clinical and radiological outcomes of one-stage surgery for developmental dislocation of the hip in children" @default.
• W2934321310 doi "https://doi.org/10.3760/cma.j.issn.0253-3006.2017.07.006" @default.
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