血流储备分数与冠状动脉造影在稳定型冠心病患者介入治疗中的应用比较

被引:20
作者
左辉华
刘强
王丽丽
翁建新
陈绮映
罗新林
曹茜
魏熠
机构
[1] 深圳市孙逸仙心血管医院内科
关键词
冠状动脉疾病; 血流储备分数; 冠状动脉动脉造影术; 冠状动脉介入治疗;
D O I
暂无
中图分类号
R541.4 [冠状动脉(粥样)硬化性心脏病(冠心病)];
学科分类号
100201 [内科学];
摘要
目的探讨血流储备分数(fractional flow reserve,FFR)的测定在指导稳定型冠状动脉粥样硬化性心脏病(冠心病)患者介入治疗中的应用价值。方法选取冠状动脉造影证实在主要的冠状动脉(直径≥2.5 mm)狭窄程度介于40%90%的稳定型冠心病患者共293例,按随机数字表法随机分为FFR测定组147例及单纯冠状动脉造影组146例。在FFR组中,如FFR<0.8予以行介入治疗;在冠状动脉造影组中,以狭窄超过75%即行介入治疗。术后随访1年,观察其即刻症状改善情况,比较两组主要心血管事件发生率(死亡、心肌梗死、靶血管重建)。结果 FFR组共植入144枚支架,支架植入的比例为41.0%;单纯冠状动脉造影组植入178枚支架,支架植入的比例为50.6%;FFR组支架植入的比例明显低于冠状动脉造影组,差异有统计学意义(P=0.011)。FFR组中造影剂用量较冠状动脉造影组减少[(104±31)m L vs.(111±28)m L,P=0.047]、人均治疗费用降低[(3.16±1.42)万元vs.(3.88±1.73)万元,P<0.001]、术后心绞痛症状改善更为明显(83.7%vs.73.3%,P=0.03),差异均有统计学意义(P<0.05)。两组主要心血管事件发生率比较,差异无统计学意义(2.0%vs.3.5%,P=0.501)。结论与冠状动脉造影相比,FFR测定在指导冠状动脉介入治疗时能减少支架植入的数目,更好地改善术后心绞痛的症状,但未增加1年内主要心血管事件的发生率。
引用
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页码:462 / 465+469 +469
页数:5
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