从前性观察者研究中,从外科手术后的五年结果与通过新一代设备更换透气管大动脉的结果
Stefano Rosato1, Fausto Biancari2, Marco Barbanti3
1National Centre for Global Health, Istituto Superiore Di Sanità, Via Giano Della Bella 34, 00161, Rome, Italy. stefano.rosato@iss.it.
Cardiovascular intervention and therapeutics
|July 8, 2025
概括
在这项观察性研究中,过导管大动脉置换 (TAVR) 与手术大动脉置换 (SAVR) 相比,显示出更高的5年死亡率和主要不良事件. 患者的选择可能会影响这些结果,需要进一步的研究.
科学领域:
- 心脏病学 心脏病学
- 干预心脏病学 干预心脏病学
- 心脏外科手术 心脏外科手术
背景情况:
- 随机研究表明,透过导管的大动脉置换 (TAVR) 对严重的大动脉狭窄 (AS) 有效且持久.
- 观察性研究对TAVR与外科动脉置换 (SAVR) 的结果产生了相互矛盾的结果.
- 新一代TAVR设备已经进步,需要更新的比较分析.
研究的目的:
- 使用前性观察数据,比较TAVR与SAVR在严重AS患者的5年疗效和安全性.
- 确定与TAVR和SAVR之间的差异性结果相关的因素.
- 评估所有原因死亡率和主要心脏和脑血管不良事件 (MACCEs) 作为主要结局.
主要方法:
- 来自OBSERVANT I和II研究的5706名SAVR患者 (2010-2012) 和2989名TAVR患者 (2017-2018) 的分析.
- 倾向性得分匹配创造了1008对TAVR和SAVR患者的平衡比较.
- 五年全因死亡率是主要终点,还评估了MACCE,心脏起器植入和PCI率.
主要成果:
- 在5年后,TAVR与SAVR相比,与明显更高的全因死亡率 (44.4%与33.2%) 和MACCEs (49.3%与37.9%) 相关.
- 此外,TAVR还显示永久心脏起器植入率 (23.1%与9.3%) 和穿皮冠状动脉干预率 (3.7%与1.2%) 更高.
- 在TAVR后的5年死亡率较高,在年轻的患者,男性,具有较低的EuroSCORE II,没有冠状动脉疾病或糖尿病的患者和不同射出小部分组中观察到.
结论:
- 这项观察性研究表明,与新一代设备的TAVR与SAVR相比,与5年全因死亡率和MACCEs的增加有关.
- 观察到的差异可能受到TAVR患者选择标准的影响,而不是程序本身.
- 鉴于非随机性质,这些发现需要仔细考虑,并强调需要对患者特定结果进行进一步调查.
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