E. Baron et al., EARLY INNOMINATE OSTEOTOMY AS A TREATMENT FOR AVASCULAR NECROSIS COMPLICATING DEVELOPMENTAL HIP-DYSPLASIA, Journal of pediatric orthopedics. Part B, 6(2), 1997, pp. 138-145
The clinical and radiographic outcomes of 25 patients with avascular n
ecrosis (AVN) of the femoral head complicating developmental hip dyspl
asia (DDH) were analyzed. Seven patients (group A) had an innominate o
steotomy 1-3 years after the ischemic insult. Eight patients (group B)
had a pelvic osteotomy between 5 and 10 years after the insult, and 1
0 patients (group C) did not have a pelvic osteotomy. The minimum foll
ow-up period was 10 years from the time of the ischemic insult. The hi
ps in group A patients (early osteotomy) showed significantly better r
adiographic outcomes as assessed by a modified Severin grading. These
patients also had less pain, fewer gait disturbances, and required few
er additional procedures for limb length discrepancy or greater trocha
nteric overgrowth.