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针对急性ST段升高心肌梗塞的皮肤穿冠状动脉干预的例行血栓切除术:一种随机对照试验
Anne Kaltoft1, Morten Bøttcher, Søren Steen Nielsen
1Department of Cardiology B, Aarhus University Hospital, Skejby, 8200 Aarhus N, Denmark. annekaltoft@stofanet.dk
Circulation
|June 28, 2006
概括
在ST升高心肌梗塞的初级穿皮冠状动脉干预期间进行例行血栓切除术并没有改善心肌挽救. 这种方法可能会增加最终的心脏病发作的大小,这表明它对未被选择的患者没有好处.
科学领域:
- 心脏病学 心脏病学
- 干预心脏病学 干预心脏病学
- 心肌梗塞研究研究
背景情况:
- 在ST升高心肌梗塞 (STEMI) 的初级穿皮冠状动脉干预 (PCI) 期间的远端栓塞可以导致心肌 perfusion 减少,心脏梗塞延长和预后更差.
- 常规的血栓切除术旨在通过在气球血管整形前切除血栓来减轻这些风险.
研究的目的:
- 评估常规血栓切除术作为STEMI初级PCI预治疗策略的疗效.
- 为了确定常规血栓切除术是否与标准PCI相比改善了心肌挽救.
主要方法:
- 一项前性随机试验,涉及215名接受初级PCI的STEMI患者.
- 患者被随机分配到接受常规血栓切除术预治疗或标准PCI.
- 心肌挽救是主要终点,通过 sestamibi SPECT 测量在手术后30天.
主要成果:
- 心肌挽救在血栓切除和标准PCI组之间没有统计学上的差异 (中位数为13%与18%,P=0.12).
- 然而,血栓切除组的最终心脏病发作大小显著增加 (中位数为15%与8%,P=0.004).
- 由于病情不佳,血栓切除组中的更多患者 (24 vs. 12) 没有完成早期的SPECT扫描.
结论:
- 在STEMI的初级PCI中进行例行血栓切除术并不能增强心肌复苏.
- 这些发现表明例行血栓切除术的潜在有害作用,导致心脏病发作大小.
- 该研究不支持在接受STEMI初级PCI的未经选择的患者中常规使用血栓切除术.
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