在结构性心脏病中频繁使用PVC的导管切除:对左心室功能和临床结果的影响
Nikias Milaras1,2, Nikolaos Ktenopoulos2,3, Paschalis Karakasis4
1State Department of Cardiology, "Hippokration" General Hospital of Athens, 11527 Athens, Greece.
Biomedicines
|June 26, 2025
概括
射频切除 (RFA) 有效地减少了结构性心脏病 (SHD) 患者经常出现的早发性心室综合体 (PVC),改善了左心室喷射率 (LVEF) 和症状. 高PVC负担预测成功的LVEF恢复,指导患者选择切除.
科学领域:
- 心脏病学 心脏病学
- 电子生理学 电子生理学
- 通过心脏切除术 (Cardiac Ablation) 进行心脏切除.
背景情况:
- 频繁的早发性心室复合体 (PVC) 与结构性心脏病 (SHD) 的不良结果有关,包括死亡率和左心室射出分数 (LVEF) 的降低.
- 射频除 (RFA) 在SHD患者中抑制PVC的疗效与异常PVC相比,理解程度较低.
研究的目的:
- 评估RFA在SHD患者中抑制PVC的有效性.
- 评估RFA对LVEF恢复和该人群的整体临床结果的影响.
主要方法:
- 2010年以后使用PubMed和Cochrane图书馆发表的研究文献综述.
- 纳入标准:成人患者的SHD和>4%的PVC负担在霍尔特监测.
- 排除标准:患有PVC诱导心肌病的患者没有潜在的SHD.
主要成果:
- RFA显著降低了PVC负担,并在缺血性心肌病中改善了LVEF.
- 在非缺血性心肌病症中成功地进行了切除,改善了8-12%的LVEF,并增强了NYHA类.
- 高基线PVC负担 (>13-20%) 预测了跨SHD病因的LVEF恢复;程序成功率为60-94%.
结论:
- 在SHD患者中频繁使用PVC的RFA可显著改善缩功能和症状,特别是在PVC负担较高的情况下.
- 在缺血和非缺血性SHD中观察到好处,尽管程序复杂性和复发率可能更高.
- PVC负担,而不仅仅是SHD的存在,应该指导对RFA的患者的选择.
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