Cause and prevention of osteochondritis in congenital dislocation of the Hip : Congenital dislocation of the HIP
1992
All treatment modalities of congenital displacement of the hip (CDH) bear the risk of ischemic necrosis at the proximal femoral epiphysis. The causes of ischemic necrosis were investigated in a review of the literature and personal experience with CDH patients during the past 30 years. Compression of articular cartilage, caused by an increase in intraarticular pressure, has been implicated as the mechanism of osteochondritis. Muscle spasm, pressure on posterior circumflex vessels, and compromised pericephalic microcirculation in the newborn have been demonstrated to increase intraarticular pressure
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