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    Is concomitant bone surgery necessary at the time of open reduction in developmental dislocation of the hip in children 12-18 months old? Comparison of open reduction in patients younger than 12 months old and those 12-18 months old
    (Lippincott Williams & Wilkins, 2006) Isiklar, ZU; Kandemir, U; Ucar, DH; Tumer, Y
    It is controversial to perform bone surgery at the time of open reduction in developmental dislocation of the hip in children 12-18 months old. The purpose of this study is to investigate whether concomitant bone surgery is necessary in patients treated with medial open reduction in this age range. Patients that were under 12 months of age at the time of open reduction were compared with patients that were 12-18 months old. Forty-four hips of 30 patients treated with open reduction through Ferguson's medial approach have been included in the study. Mean follow-up was 19.6 years (13-275). Age at the time of open reduction was less than 12 months in 21 hips (group A) and 12 months or more in 23 hips (group 13). There was no significant difference between two groups concerning avascular necrosis or unsatisfactory radiological outcome (Severin's groups III and IV). A higher rate of secondary bone surgery was necessary in group B than in group A. Although secondary bone surgery is needed at a higher frequency in children 12-18 months old, the radiological outcome is not significantly different for patients younger than 12 months. Therefore, the recommendation of concomitant bone surgery on a routine basis during open reduction in developmental dislocation of the hip in children 12-18 months old is debatable.
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    Occult spinal dysraphism and its association with hip dysplasia in females
    (Springer-Verlag, 2003) Ucar, DH; Ömeroglu, H; Eren, A; Inan, M; Baktir, A; Aksoy, MC; Ömeroglu, S
    We examined the pelvic radiographs of two groups of patients (more than 12 years of age) from six medical centres. Hip dysplasia was considered to be present if Shenton's line was broken and more than one third of the femoral head was revealed to be uncovered in an antero-posterior radiograph of the pelvis. Patients with hip dysplasia due to teratological or neurological causes were excluded. There were 291 patients with treated or untreated hip dysplasia in the dysplastic group. The control group of 415 individuals was collected from consecutive outpatients (with a pre-set standardised female/male ratio) for whom an antero-posterior radiograph of the pelvis had been made in one of two medical centres and which did not disclose any abnormality of the hip joints. The aim of the study was to assess the coexistence of hip dysplasia and occult spinal dysraphism. Radiographs of all patients were examined, and any partial or complete defect of the posterior vertebral arch was recorded. In the dysplastic group, a defect was recorded in 23% (67/291) radiographs and in the control group in 12% (48/415). In both groups, L5 and S1 were the most commonly recorded sites with a defect. In the dysplastic group, a defect was recorded in 56/190 females and in the control group in 30/302 females. In males, there was no significant difference between the recorded findings in the two groups. In females with hip dysplasia, occult spinal dysraphism seems to be fairly common.
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    Open reduction through a medial approach in developmental dislocation of the hip - A follow-up study to skeletal maturity
    (Lippincott Williams & Wilkins, 2004) Ucar, DH; Isiklar, ZU; Stanitski, CL; Kandemir, U; Tumer, Y
    Forty-four developmentally dislocated hips occurring in 30 patients with an average age at initial surgery of 10.7 (range 2-19) months underwent medial open reduction by Ferguson's approach. All patients were skeletally mature at most recent evaluation. Mean follow-up was 19.8 (range 13-27.5) years. No redislocation or subluxation occurred. Additional surgery was required in 11 hips (25%). Avascular necrosis was detected in nine hips (20%). The acetabular index was decreased and the center-edge angle was increased during follow-up. Excellent or good outcome (Severin group 1 or 2) was observed in 79% of the hips at skeletal maturity. At the most recent evaluation, all but two patients had the highest score on the Iowa Hip Rating. The authors conclude that open reduction through the medial approach is effective in developmental dislocation of the hip. Followup until skeletal maturity is necessary for an accurate assessment of treatment.