ESC 2013:单用药物治疗的稳定性冠心病患者的FAME 2 总缺血风险评分与临床结局

2013-09-03 MedSci MedSci原创

  目的:该研究旨在观察总缺血与稳定性冠心病患者临床结局的相关性。   方法:该研究是对FAME 2 研究中的607例至少一支主要冠状动脉存在病变、仅接受药物治疗(MT)的患者进行了亚组分析。这些患者中,有441例患者来自于随机试验,166例患者 来自于注册研究。分析心血管死亡、心肌梗死及缺血所致的靶病变血运重建(MACE)的复合终点发生率及其与FAME 2 总缺血风险评分的相关性,应

  目的:该研究旨在观察总缺血与稳定性冠心病患者临床结局的相关性。

  方法:该研究是对FAME 2 研究中的607例至少一支主要冠状动脉存在病变、仅接受药物治疗(MT)的患者进行了亚组分析。这些患者中,有441例患者来自于随机试验,166例患者 来自于注册研究。分析心血管死亡、心肌梗死及缺血所致的靶病变血运重建(MACE)的复合终点发生率及其与FAME 2 总缺血风险评分的相关性,应用公式“∑1.3(1-FFRlesion)/0.05”计算每个靶病变的风险总和。

  结果:在中位随访的172天内,共计95例(15.7%)患者发生了至少一例MACE。与未发生MACE者相比,伴有MACE的患者其平均FAME 2评分显著增高(16.2±18.7 vs. 9.4±12.1,P<0.0001)。多元Cox回归分析显示,校正年龄、高血压、高脂血症、CCS分级、无症状缺血及病变血管的数量后,FAME 2 评分这一连续变量与MACE具有显著的相关性(HR 1.019,95%CI:0.008~0.030,P=0.001)。对一年内无MACE生存情况行Kaplan-Meier分析,结果显示,FAME 2评分四分位组的三组患者间存在显著差异。进一步考虑狭窄血管片段的位置以及应用Leaman评分进行加权均无法改善FAME 2评分对MACE的预测价值。

  结论:FAME 2评分是患者1年随访期内临床结局的独立预测因素。同时,研究数据表明,与缺血的广度相比,缺血的严重程度(即深度)对患者短期预后更重要。

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    2014-04-10 chenshujs
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