PURPOSE OF THE STUDY: The aim of this study was to present the indications, technique and results of open reduction for @entity3946 performed after failure of conservative treatment. MATERIAL AND METHODS: Criteria of inclusion in the series were: @entity3029 of the hip treated conservatively before the age of six months requiring open reduction for failure of initial treatment between 1978 and 1998. During this period, 3000 hips sustained conservative treatment. The series counted 33 hips in 29 @entity1 . Mean number of different conservative methods used for one hip was 2.6. One-third of the hips had had previous surgery. @entity2530 was noticed in 17 cases (51.5%). Mean age at open reduction was 2 years. Pelvic (61%) and/or femoral (79%) osteotomies were combined with open reduction. RESULTS: Mean follow-up was 9.5 years. Among the complications, @entity2530 was noticed in five hips without @entity75 . Hip joint congruency was excellent or good in 80.7% of the cases. There were no recurrent dislocations. Ten hips (32.3%) were free of @entity2530 but 4 presented severe @entity2530 (13%). DISCUSSION: Indications for open reduction are exceptional, attesting to the efficacy of conservative treatment. This salvage procedure achieves good results in the hands of experienced surgeons. The quality of the reduction depends not only on the intra- and extra-articular excision, but also on the stability achieved with @entity2760 . The main factor of prognosis is @entity2530 induced by previous treatment.

[Open reduction after failure of conservative treatment for XXXX of the hip initiated before the age of six months].

@entity1 :: ('9606', 'Species') :: ['children'] @entity75 :: ('MESH:D001927', 'Disease') :: ['preoperative lesions'] @entity3946 :: ('MESH:D006618', 'Disease') :: ['congenital hip dislocation'] @entity3029 :: ('MESH:D004204', 'Disease') :: ['congenital dislocation'] @entity2760 :: ('MESH:D011111', 'Disease') :: ['peri-articular osteotomies'] @entity2530 :: ('MESH:D010020', 'Disease') :: ['avascular necrosis', 'minor avascular necrosis', 'Avascular necrosis']
@entity3029 :: (MESH:D004204,Disease) :: ['congenital dislocation']
