Influence of the vascular occulusive disease upon the femoral head.

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We researched the influence of the peripheral vascular occulusion upon the femoral head.Fifty cases of occulusive vascular diseases which contains 42 cases of arteriosclerosis obliterance, one case of thromboangitis obliterance, 6 cases of embolism and one case of arteriothrombosis were reviewed. Those occulusive sites were limited from aorta to common femoral artery. Those cases were examined by plain radiograms of the hip joints, pelvic arteriograms and physical examination. As the result osteonecrosis of the femoral head was seen in none of the cases. We saw only one case of localized sclerosis within the head (1.3%) and one case of joint space narrowing (1.3%). All the cases had the rich network of the collateral circulation around the hip. It seems to be doubtful that occulusive vascular disease accompanies the osteonecrosis of the femoral head as reported by Millet in 1974.