在入院时进行简单的风险分层,以确定从初级血管塑性手术中降低死亡率的患者
Jens Jakob Thune1, Dan Eik Hoefsten, Matias Greve Lindholm
1Department of Cardiology, University Hospital of Copenhagen, Rigshospitalet, DK-2100 Copenhagen, Denmark. jjt@heart.dk
Circulation
|September 28, 2005
概括
患有ST升高心肌梗塞的高风险患者可以从初级血管塑造中获益,而不是纤维解析,死亡率降低. 这种风险分层有助于对急性心肌梗塞治疗的早期分类.
科学领域:
- 心脏病学 心脏病学
- 干预心脏病学 干预心脏病学
- 治疗急性心肌梗塞的方法
背景情况:
- 初级血管整形在急性ST升高心肌梗塞 (STEMI) 方面比纤维素溶解有好处,涉及死亡,再发作和中风,但并非全因死亡率.
- 识别高风险的STEMI患者进行针对性的入侵策略对于改善结果至关重要.
- 心肌梗塞中血栓溶解 (TIMI) 风险评分可以在入院时有效识别高风险患者.
研究的目的:
- 调查TIMI风险评分识别的高风险STEMI患者是否经历了与纤维素溶解相比,初级血管塑性手术的死亡率降低.
- 分析TIMI风险评分分层和治疗策略 (初级血管塑造与纤维解析) 在死亡率和发病率之间的相互作用.
主要方法:
- 来自DANAMI-2试验的1527名患者的分析,按TIMI风险评分分类 (低风险:0-4,高风险:>=5).
- 在低风险和高风险层中,初级血管塑性和纤维素分解组之间的3年死亡率和发病率的比较.
- 统计分析以确定风险状况和治疗效果之间的显著相互作用 (P=0.008).
主要成果:
- 1134名患者被归类为低风险,393人被归类为高风险.
- 在低风险组中没有观察到死亡率的显著差异 (初级血管造形术:8.0%;纤维素分解:5.6%;P=0.11).
- 与纤维解析 (36.2%;P=0.02) 相比,在接受初级血管塑性手术 (25.3%) 的高风险组发现死亡率显著降低.
结论:
- 在入院时使用TIMI风险得分的风险分层识别高风险的STEMI患者.
- 这些高风险患者在接受初级血管塑性侵袭策略治疗时,死亡率显著降低.
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