The Hip Bony Skeletal Studies in Cerebral Palsed Infants used the Rippstein Method

The incidence of the dislocation of the hip in cerebral palsy was reported by some authors, from 2.3per cent to 23per cent, and higher than in congenital dislocation of the hip.But the dislocation of the hip is rare in cerebral palsed infants and increased in childhood.Shaft-neck angle and anteversion of the femur were investigated in 151 cerebral palsed infants used the Rippstein method.The value of the Rippstein was satisfactory in hip screening in cerebral palsy.The results were follows:1. Shaft-neck angle and femoral anteversion were large in cerebral palsy.2. Increased femoral anteversion and decreased CE angle were observed in hip adductor contractured cases.3. No marked differences was obtained in typing studies.4. Shaft-neck angle was decreased in walking infants.5. Growth alterations in the hemiplegic infants were examimed in 34 cases. Femoral anteversion was large in affected side.CE angle was large in unaffected or less in affected side.No clear differences was obtained in shaft-neck angle.