王思琦,李琪,滕伟利,曹成富,马玉良,卢明瑜,赵红,宋俊贤,侯昌,王伟民

• 1:北京大学人民医院心内科

摘要(Abstract)：

目的评价冠状动脉血管内超声(IVUS)对严重钙化病变斑块旋磨术终点的影响。方法回顾性分析2016年8月至2021年2月于北京大学人民医院行IVUS指导下冠状动脉斑块旋磨术治疗的54例患者。根据初次旋磨治疗后是否强化预处理方案(包括升级旋磨头或使用棘突/切割球囊进行扩张)或直接采用半顺应性/非顺应性球囊扩张进行分组,强化组11例,非强化组43例。比较两组患者临床资料、病变特点、手术情况及腔内影像学结果等情况。结果两组患者性别、年龄、既往病史(高血压病、糖尿病、高脂血症、心肌梗死、经皮冠状动脉介入治疗及冠状动脉旁路移植术)、左心室射血分数(LVEF)、估算的肾小球滤过率(eGFR)、旋磨靶血管、三支病变情况、旋磨头/血管直径比值、半顺应性或非顺应性球囊平均直径及最大扩张压力、手术时间、对比剂用量、X线辐射剂量、手术成功率等方面比较,差异均无统计学意义(均P>0.05)。强化组患者旋磨头数量明显多于非强化组[2(1,2)个比1(1,1)个,P<0.001],病变钙化弧度明显高于非强化组[(357.3±9.0)°比(339.1±41.7)°,P=0.011],差异均有统计学意义;而两组在钙化长度、钙化结节、旋磨后出现多重反射、最小支架面积及支架膨胀率等方面的差异均无统计学意义(均P>0.05)。结论 IVUS提示钙化弧度为360°或接近360°的严重钙化病变需要更加积极的强化预处理策略,包括升级旋磨头或旋磨后使用棘突/切割球囊进行扩张;对于旋磨治疗后出现多重反射者需要给予更多关注。

关键词(KeyWords)： 冠状动脉钙化病变;血管内超声;旋磨终点

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 王思琦,李琪,滕伟利,曹成富,马玉良,卢明瑜,赵红,宋俊贤,侯昌,王伟民

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