早期大动脉置换无症状严重大动脉狭窄症患者与保存左心室缩功能:系统性审查和元分析
Vinicius Bittar de Pontes1, Mariana R C Clemente2, Thierry Trevisan1
1University Centre of Associated Colleges for Education, São João da Boa Vista, Brazil.
The American journal of cardiology
|April 3, 2025
概括
与监测相比,早期的大动脉置换 (AVR) 对于无症状的严重大动脉狭窄 (AS) 具有保存的射出分数显著降低了全因和心脏死亡率. 这种干预提供了生存益处,而不会增加中风或心脏病发作的风险.
科学领域:
- 心脏病学 心脏病学
- 心脏外科手术 心脏外科手术
- 临床试验 临床试验
背景情况:
- 目前的指导方针建议对无症状的严重大动脉狭窄症 (AS) 进行监测,保持左心室喷射分数 (LVEF).
- 在这些患者中,主动脉置换 (AVR) 与保守管理的最佳时间尚未确定.
研究的目的:
- 系统地评估早期AVR与无症状严重AS患者保守治疗的比较有效性.
- 综合现有研究的证据,为临床决策提供信息.
主要方法:
- 在PubMed,Embase和Cochrane数据库中进行了系统的文献搜索.
- 对7项涉及2531名患者的研究数据进行了随机效应模型元分析.
- 使用R软件版本4.3.1.1.进行统计分析.
主要成果:
- 早期AVR与与保守治疗相比显著较低的全因死亡率 (HR 0.51) 和心脏死亡率 (RR 0.51) 相关.
- 在整个队列中,在突然死亡,心血管住院,中风或心肌梗塞方面没有发现显著差异.
- 对RCT的次分析显示,早期AVR的心血管住院和中风率降低.
结论:
- 在无症状的严重AS患者中,早期AVR与保存的LVEF与减少全因和心脏死亡率有关.
- 这些发现表明早期干预可能有好处,尽管基于RCT数据,对中风和住院等特定结果进行进一步调查是有必要的.
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