在阻塞性HCM中使用Mavacamten后的悖论性肺堵塞:一个案例说明了血液动力学过渡
Noriaki Tabata1, Yasuhiro Izumiya2, Noriko Nomura3
1Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan; Tabata Internal Medicine and Heart Clinic, Kumamoto, Japan.
JACC. Case reports
|February 24, 2026
概括
马瓦卡门有效地通过减少左心室外流通道 (LVOT) 阻塞来治疗多变性心肌病 (HCM). 然而,快速缓解可以矛盾地导致肺堵塞,需要仔细的血液动力学监测.
科学领域:
- 心脏病学 心脏病学
- 药理学 药理学是指药理学的学科.
- 内部医学 内部医学
背景情况:
- 马瓦卡门是一种新型治疗药物,用于治疗多变性心肌病 (HCM).
- 它有效地减少左心室外流通道 (LVOT) 阻塞在患有阻塞性HCM的患者.
研究的目的:
- 描述一个在 mavacamten 治疗后出现矛盾的肺堵塞的情况.
- 阐明潜在的血液动力学机制,这种不良事件的基础.
- 强调综合血液动力学评估在阻塞性HCM管理中的重要性.
主要方法:
- 一个51岁的男性患有阻塞性HCM,接受了mavacamten治疗的病例报告.
- 临床和心声回声监测,包括评估LVOT梯度,喷射分数和三回.
- 在 mavacamten 开始前和之后以及肺堵塞发展期间进行血液动力学评估.
主要成果:
- 观察到成功减少LVOT阻塞和保存的喷射分数.
- 悖论性肺堵塞,呼吸不全和肺部溢出发生了尽管左侧卸载.
- 在临床拥堵之前,三管吐和E/A比率增加.
- 用SGLT2抑制剂治疗导致了临床稳定和血液动力学再平衡.
结论:
- 使用mavacamten快速缓解LVOT阻塞可能会导致"功能"效应,可能导致肺堵塞.
- 这强调了在早期的Mavacamten治疗阶段需要进行彻底的非侵入性血液动力学评估的必要性.
- 临床医生应该警矛盾的拥堵,尽管明显的左心室卸载.
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