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1冠状动脉钙化病变冠状动脉造影显示15%的冠状动脉病变有不同程度钙化,而IVUS检查则显示钙化率达85%。1988年,美国ACC/AHA报告中指出,中—重度钙化病变是导致球囊扩张术失败和血管急性闭塞的主要危险因素,球囊不能充分扩张的严重冠状动脉钙化病变是支架植入的禁忌证。冠状动脉?
1 Coronary artery calcification lesions Coronary angiography showed that 15% of coronary lesions had varying degrees of calcification, while IVUS showed a calcification of 85%. 1988, the United States ACC / AHA report pointed out that moderate-severe calcification is the leading cause of failure of balloon dilatation and acute vascular occlusion of the main risk factors for the balloon can not be fully expanded severe coronary artery calcification is a contraindication for stent implantation . Coronary artery?