患有无症状严重大动脉狭窄症的年轻患者的治疗选择:多中心回顾性队列研究
Yu Mao1, Yang Liu1, Mengen Zhai1
1Department of Cardiovascular Surgery, Xijing Hospital, 127 Changle West Road, Xi'an, 710032, Shaanxi, China.
European journal of medical research
|October 15, 2025
概括
早期的大动脉置换 (AVR) 改善了无症状严重大动脉狭窄患者的治疗结果. 在保守治疗期间转换为AVR提供了显著的临床益处,降低死亡率和中风风险.
科学领域:
- 心脏病学 心脏病学
- 心血管外科心血管外科
- 干预心脏病学 干预心脏病学
背景情况:
- 没有症状的严重大动脉狭窄症 (SAS) 的治疗方法与保存的左心室喷射分数 (LVEF) 是有争议的.
- 严重的大动脉狭窄,如果不治疗,会带来很大的风险.
研究的目的:
- 为了比较跨导管大动脉置换 (TAVR),手术大动脉置换 (SAVR) 和SAS的保守管理的安全性和有效性.
- 提供支持临床决策的证据,用于管理无症状严重大动脉狭窄症.
主要方法:
- 一个多中心的回顾性研究,涉及无症状的SAS患者,保存LVEF.
- 患者被分为TAVR,SAVR或保守治疗组.
- 主要终点是66.5个月的中位随访期间的全因死亡率.
主要成果:
- 与保守治疗相比,TAVR显示出较低的全因死亡率 (33.3%与46.4%相比).
- SAVR显示,主要心血管不良事件减少了 (12.8%与22.3%相比).
- 与没有转换相比,转换为大动脉置换 (AVR) 显著降低了死亡率 (37.3%vs. 60.4%) 和中风 (19.0%vs. 40.7%).
结论:
- 早期AVR,无论是TAVR还是SAVR,与保守护理相比,在无症状的严重大动脉狭窄患者中改善了结果.
- 在保守治疗期间转换为AVR,对这个患者群体产生了相当大的临床益处.
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