通过导管以心房固定为治疗心房功能性心房反的途径替换心房门
John T Saxon1, Philippe Genereux2, Vlasis Ninios3
1University of Virginia Medical Center, Charlottesville (J.T.S.).
Circulation. Cardiovascular interventions
|March 20, 2025
概括
用AltaValve系统替换过导管 mitra对于心房功能性 mitra反的患者显示出有希望的结果,由于左心室外流通道阻塞风险,这个群体往往不适合其他手术.
科学领域:
- 心脏病学 心脏病学
- 干预心脏病学 干预心脏病学
- 医疗器械 医疗器械
背景情况:
- 耳前功能性 mitra 反 (AFMR) 常常影响不适合进行手术或透导管修复的患者.
- 透导管 mitra 置换 (TMVR) 受到左心室外流通道 (LVOT) 阻塞风险的限制,特别是在左心室小心室的AFMR患者中.
研究的目的:
- 在AFMR患者中使用AltaValve系统评估TMVR的结果.
- 评估AltaValve系统的安全性和有效性,该系统使用心房固定来最大限度地减少LVOT阻塞.
主要方法:
- 该研究包括14名患有严重症状的AFMR患者,他们在早期可行性研究或同情使用中接受治疗.
- 患者心房动,左心室大小正常,射出分数≥50%,没有有机关疾病.
- 结果包括手术成功,30天存活率和心声回声检查结果.
主要成果:
- 在所有14名患者中都取得了技术上的成功,并将 mitrale regurgitation 减少到无/痕迹.
- 没有观察到左心室外流通道阻塞的情况.
- 30天全因死亡率为14% (2/14),严重症状 (NYHA III/IV级) 在术后得到消除.
结论:
- 阿尔塔系统在AFMR的独特患者群体中展示了TMVR的有希望的早期结果.
- 需要进一步的长期临床研究来证实这种新的TMVR方法的好处.
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