Objective\ To evaluate the accuracy in measurement of the diameter of patent ductus arteriosus(PDA) by echocardiography combined with cineangiography.
目的探讨超声动图测定未闭动脉内径的可靠性及其在法封堵动脉未闭症(PDA)中的临床意义。
Objective\ To evaluate the accuracy in measurement of the diameter of patent ductus arteriosus(PDA) by echocardiography combined with cineangiography.
目的探讨超声动图测定未闭动脉内径的可靠性及其在法封堵动脉未闭症(PDA)中的临床意义。
Results Color Doppler echocardiography showed that the embryocardia ductus arterious flow had a bright shunt from the pulmonary to descending aorta.
结果:24%的胎存在生理性三尖瓣返流,肺动脉阻力普遍较高,胎动脉血流单向自肺动脉流向降主动脉,显色明亮。
Conculsion The level of the abnormal MBF reserve in stenosed coronary artery may be the mainly physiopathologic basis of dipyridamole stress echocardiography in detecting coronary stenosis.
结论狭窄冠脉MBF储备的异常程度可能是双嘧达莫负荷超声评价冠脉狭窄的主要病理生理基础。
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