对TOMAHAWK和COACT试验的贝叶斯重新分析
Tharusan Thevathasan1, Anne Freund2, Eva Spoormans3
1DZHK (German Center for Cardiovascular Research), Germany; Department of Cardiology, Angiology and Intensive Care Medicine, Deutsches Herzzentrum der Charité (DHZC), Campus Benjamin Franklin, Berlin, Germany; Berlin Institute of Health, Berlin, Germany.
JACC. Cardiovascular interventions
|December 26, 2024
概括
贝叶斯重新分析表明,在没有ST升高的心脏骤停后立即进行冠状动脉血管学可能会增加30天的死亡率. 推迟策略可能是最好的,将理解从中立转变为潜在的有害. 更多的试验结果正在等待.
科学领域:
- 心脏病学 心脏病学
- 临床试验 临床试验
- 生物统计学 生物统计学
背景情况:
- 两项大型试验 (TOMAHAWK,COACT) 研究了在没有ST升高的非医院心脏骤停 (OHCA) 患者中立即 vs 延迟冠状动脉血管学.
- 两项试验都在短期死亡率方面取得了中立的结果,尽管TOMAHAWK表明,在立即血管造影时,危害的趋势并不显著.
- 贝叶斯概率分析为对这些试验结果进行更深入的临床解释提供了一个潜在的方法.
研究的目的:
- 用贝叶斯统计框架重新分析TOMAHAWK和COACT试验.
- 探索不同先前假设对即时和延迟冠状动脉血管学结果的解释的影响.
主要方法:
- 在TOMAHAWK和COACT试验的数据上进行了后期贝叶斯逻辑回归分析,分别和组合.
- 主要终点是30天全因死亡率.
- 分析包含了一系列先验,包括"平坦"",中立"",乐观"和"悲观"的假设.
主要成果:
- 对TOMAHAWK的贝叶斯式再分析表明,在所有先验病例中,随着立即血管造影,30天死亡率增加的高后部概率 (90-97%).
- COACT显示30天死亡率的几率比率从0.98到1.11不等.
- 两项试验的综合分析表明,随着即时血管造影,死亡率增加的概率很高 (83-95%),所有先验表明危害的趋势.
结论:
- 在没有ST升高的OHCA患者中,贝叶斯重新分析表明,与延迟/选择性血管学相比,立即冠状动脉血管学增加了30天死亡率的高概率.
- 这些发现挑战了TOMAHAWK和COACT的"中性"解释,表明立即血管造影的潜在"有害"影响.
- 在临床实践中,延迟血管造影策略可能是可取的,等待DISCO试验的结果.
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