对两种不同的心脏损伤分期系统的外部验证,用于治疗手术大动脉置换患者的大动脉狭窄
Carlos Gil1, Carmen Olmos1,2, Patrick O'Neill1
1Instituto Cardiovascular, Hospital Clínico San Carlos, Instituto de Investigación Sanitaria del Hospital Clínico San Carlos (IdISSC), 28040 Madrid, Spain.
Journal of clinical medicine
|March 14, 2026
概括
结合右心室 - 动脉合 (RVAc) 的心脏分期系统更好地预测了为主动脉狭窄 (AS) 进行大动脉置换手术 (SAVR) 的患者的1年死亡率. 与现有方法相比,这种系统提供了更好的风险分层.
科学领域:
- 心脏病学 心脏病学
- 心脏外科手术 心脏外科手术
- 心声回声扫描 (Echocardiography) 是一种心声回声扫描.
背景情况:
- 对于大动脉狭窄 (AS) 现有的心脏损伤分期系统在接受大动脉置换手术 (SAVR) 的患者中缺乏验证.
- 这些分期系统在SAVR后预测结果的临床实用性目前尚不清楚.
- 准确的风险分层对于优化AS患者管理至关重要.
研究的目的:
- 在接受SAVR的患者中对两个拟议的心脏分期系统进行外部验证.
- 为了比较 Généreux等人的歧视力. 和古蒂埃雷斯等人. 一年死亡率的分期系统.
- 确定该患者群体中风险分层的最有效的分期系统.
主要方法:
- 一个单一中心前性队列研究包括在2017年至2022年期间接受SAVR治疗的350名患者.
- 根据基线心声学参数,患者被分为不同阶段,使用两种已发表的分期系统.
- 每个系统预测1年死亡率的能力都使用接收机运行特征 (ROC) 曲线分析进行了评估.
主要成果:
- 这位古提雷斯等人. 与Genéreux等相比,分阶段系统显示出更高的歧视力 (AUC 0.687). 系统 (AUC 0.554;p=0.008) 的情况.
- 死亡率逐渐增加,在Gutiérrez等人的较高阶段,死亡率逐渐增加. 系统,特别是第三阶段 (15.6%),其中包括右心室动脉合 (RVAc).
- 在使用 Généreux 等的阶段之间没有观察到显著的结果差异. 的系统 (p=0.218).
结论:
- 结合RVAc的心脏分期系统在接受SAVR治疗AS的患者中为1年死亡率提供了显著的歧视力.
- 这位古提雷斯等人. 包括RVAc在内的分期系统是这个群体风险分层的一个有价值的工具.
- 建议进一步评估右心室功能与后负荷之间的相互作用,以便在接受SAVR的AS患者中进行增强的风险预测.
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