Postoperative angiography and Doppler - Ultrasonic examination showed shunt patency in 90% of cases. Partial shunt thrombosis occurred in 2 cases in PTFE graft without supporting rings.
术后门脉系统彩色多谱勒超声及血管造影检查，向肝血流量无明显影响，分流道通畅率90%，普通ptfe者血栓形成2例。
The methods of target septal branch selection included balloon occlusion test, angiography through the catheter lumen, and ultrasonic echocardiogram monitor.
冠脉间隔支选择造影后经球囊试堵、导管中心腔造影及床旁超声心动图监测确定靶间隔支。
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