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NEJM:可疑冠状动脉疾病的非侵入性检查比较(PROMISE试验)

2015-03-15 MedSci MedSci原创

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很多病人都会有提示冠状动脉疾病(CAD)的症状,只有诊断试验(冠脉造影)才能确定是否有CAD,对于要求非侵入性检查的患者,目前临床上还缺乏相关随机对照试验数据去指导检查。

因此Pamela S等人进行了一项随机试验,该研究共纳入10,003名有可疑CAD症状的病人,按照解剖结构的检查(CTA)和心脏功能试验(心电图运动试验、核素心脏负荷试验、负荷超声心动图)分为两组。初始结局指标为死亡、心肌梗死、住院治疗不稳定心绞痛等,继发指标为侵入性心导管介入术(冠脉造影)提示没有阻塞性CAD和射线暴露量。

研究对象平均年龄为60.8±8.3岁,其中52.7%女性,87.7%的患者有胸痛或劳力性呼吸困难,对于阻塞性CAD预测为53.3±21.4%。在平均超过25个月的随访后发现,初始结局指标在CTA组为164/4996(3.3%),在心功试验组151/5007(3.0%)(aHR 1.04,95% CI 0.83-1.29,P=0.75)。在CTA组有更少的冠脉造影提示没有阻塞性CAD (3.4% vs. 4.3%,P = 0.02),但是CTA组在90天内冠脉造影人数更多(12.2% vs. 8.1%)。平均每个病人的累积射线暴露CTA组更低(10.0 mSv vs. 11.3 mSv),但是功能试验组有32.6%的患者射线零暴露,所以CTA组在整体上射线暴露更高(12.0 mSv vs. 10.1 mSv; P<0.001)。

在平均超过2年的随访结果表明,对于有症状怀疑冠状动脉疾病的患者,若要求非侵入性检查,那么CTA的使用,较之心脏功能试验,并不能改善临床结局。

原始出处:


Pamela S. Douglas, M.D., Udo Hoffmann, M.D., M.P.H., Manesh R. Patel, M.D., Daniel B. Mark, M.D., M.P.H., Hussein R. Al-Khalidi, Ph.D., Brendan Cavanaugh, M.D., Jason Cole, M.D., Rowena J. Dolor, M.D., Christopher B. Fordyce, M.D., Megan Huang, Ph.D., Muhammad Akram Khan, M.D., Andrzej S. Kosinski, Ph.D., Mitchell W. Krucoff, M.D., Vinay Malhotra, M.D., Michael H. Picard, M.D., James E. Udelson, M.D., Eric J. Velazquez, M.D., Eric Yow, M.S., Lawton S. Cooper, M.D., M.P.H., and Kerry L. Lee, Ph.D. for the PROMISE Investigators.Outcomes of Anatomical versus Functional Testing for Coronary Artery Disease.NEJM March 14, 2015DOI: 10.1056/NEJMoa1415516

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