Results Color Doppler echocardiography showed that the embryocardia ductus arterious flow had a bright shunt from the pulmonary to descending aorta.

24%的胎心存在生理性三尖瓣返流,肺动脉阻力普遍较高,胎心动脉导管血流单向自肺动脉流向降主动脉,显色明亮。

There were 13 cases of arteriosclerosis obliterans, 11 cases of diabetic extremital gangrene, 5 cases of thromboangiitis obliterans, and 3 cases of arterious embolism of lower extremities.

动脉硬化性闭塞症13例，糖尿病性肢端坏疽11例，血栓闭塞性脉管炎5例，下肢动脉栓塞3例。