الفهرس 
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Abstract
Despite the widespread use of screerung programs and the development of methods for treating newborns with congenital dislocation of the hip, children are still se~n later in childhood with non-concentrically reduced or dysplastic hips. (1) By 18 months of age, the treatment of DOH is difficult because of contracture of the extra-articular soft tissues and the joint capsule, acetabular dysplasia,’ and increased femoral anteversion. (6,7) Also, the potential of the acetabulum to. develop in response to reduction has decreased. (9,10) More force is required to reduce the dislocated femoral head into the acetabulum. Consequently, incomplete reduction, a high rate of complications, and unsatisfactory results can be expected. (7) Thus, the later the diagnosis of DOH is made, the less the potential is there for acetabular and proximal femoral remodeling, and the more complex are the required treatments, (20X) Closed treatment was found to be inappropriate for children post age as it is associated with a high risk of avascular necrosis, residual subluxation and faulty acetabular development and a further secondary reconstructive operation is often required. (7, J I) Open reduction alone may not be adequate to achieve a stable hip, but may be combined with or followed by femoral or pelvic osteotomy. (lJ.12,I1<I) The combined use of open reduction and Salter’s innominate for developmental dysplasia of the hip under the same is controversial. While some authors reported acceptable ults (8,15), it has been suggested that this combination may increase the of complications, in particular of avascular necrosis of the femoral d. (16,17) The redirection of the acetabulum to provide increased anterior er may lead to secondary posterior dislocation or subluxation. (18) Other hors reported that simultaneous open reduction and Salter’s innominate eotomy without preliminary traction resulted in a lower rate of avascular 9 crosis than in those who received prolonged closed treatment. (19,20,21) so, femoral shortening has been recommended to avoid the complication avascular necrosis; it allow.s the tight structures that cross the level of the eotomy to function as if they were lengthened and does so more ectively than a soft tissue release. (12) The aim of this work is to evaluate the results of simultaneous open duction and Salter’s innominate osteotomy for the treatment of velopmental dysplasia of the hip in children after the walking age. In this study, combined open reduction and Salter’s innominate , teotomy had been carried out on 23 hips in 19 children with neglected DH after the walking age. The average age at the time of surgery was .5 months (16-74 months). There were 17 girls and 2 boys. The average eetabular index was 38.So (29°-S00). A concomitant femoral shortening as required in only six hips in which reduction was difficult after release f tight soft tissues. The average follow up period was 25.1 months (12 to ’2 months).