与精确的右心室隔膜刺激相比,左束枝区域刺激的中期临床结果
Yousaku Okubo1, Takumi Sakai2, Shogo Miyamoto2
1Department of Cardiovascular Medicine, Hiroshima University Graduate School of Biomedical and Health Sciences, Hiroshima, Japan. yousaku4039@gmail.com.
概括
与右心室隔膜节拍 (RVSP) 相比,左捆支部区域节拍 (LBBAP) 在心房阻塞患者中显著降低了死亡和心力衰竭住院等不良结果. 这项研究强调LBBAP作为节奏的更安全的替代品.
科学领域:
- 心脏病学 心脏病学
- 电子生理学 电子生理学
- 心脏节拍是因为心脏节拍.
背景情况:
- 左捆分支区域节奏 (LBBAP) 是一种较新的技术,与传统的右心室隔膜节奏 (RVSP) 相比,它有所改善.
- 之前的研究缺乏直接比较LBBAP和准确的RVSP使用输送导管.
- 心房静脉阻塞 (AVB) 需要节拍,使节拍方法的选择对患者的结果至关重要.
研究的目的:
- 为了比较LBBAP与准确的RVSP的临床结果,在需要心室节奏的有症状的AVB患者中进行准确的RVSP.
- 与RVSP相比,评估LBBAP在减少不良事件方面的安全性和有效性.
主要方法:
- 一个单一中心的观察性研究包括160名患有症状的AVB的患者,接受了RV步调.
- 患者被分为两个组:LBBAP (n=81) 和RVSP (n=79).
- 主要结局包括全因死亡,心力衰竭住院和双心室节奏升级;次要结局是程序/后程序并发症.
主要成果:
- 在LBBAP和RVSP组之间没有观察到显著的基线差异.
- 主要综合结局在LBBAP组 (4.9%) 发生的频率明显低于RVSP组 (22.8%) (Log-rank p=0.02).
- 多变量分析确定LBBAP是减少不良结果的独立预测因素 (HR,0.45;95% CI,0.31-0.64;p<0.001).
结论:
- 在需要频繁VR步调的AVB患者中,LBBAP与显著减少不良临床结果有关.
- 与使用输送导管的精确RVSP相比,LBBAP显示出有利的安全概况.
- 这些发现支持LBBAP作为选择AVB患者的首选节奏策略.
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