性别,体型和心脏再同步治疗益处之间的关系:随机对照试验的患者层面的元分析
Daniel J Friedman1, Antonio Olivas-Martinez2, Frederik Dalgaard3
1Division of Cardiology, Duke University School of Medicine, Durham, North Carolina; Duke Clinical Research Institute, Duke University School of Medicine, Durham, North Carolina.
Heart rhythm
|February 15, 2024
概括
女性可能比男性更能从心脏再同步疗法 (CRT) 中获得更大的好处,特别是QRS持续时间较短. 身体大小部分解释了这些差异,这表明改善了CRT的患者选择.
科学领域:
- 心脏病学 心脏病学
- 医疗器械 医疗器械
- 生物医学工程 生物医学工程
背景情况:
- 心脏再同步治疗 (CRT) 是一种治疗心力衰竭的方法.
- 以前的研究表明,女性可能比男性更受益于CRT.
- 对CRT有效性的基于性别的差异需要进一步调查.
研究的目的:
- 为了确定身高,身体表面积 (BSA) 或左心室终端扩张维度 (LVEDD) 是否更好地解释CRT效应的基于性别的差异.
- 分析来自多个CRT试验的患者级数据.
主要方法:
- 贝叶斯阶层韦布尔回归模型被用于分析七个主要CRT试验的数据.
- 检查了QRS持续时间和CRT效应的整体情况,并按性别分层.
- QRS持续时间按身高,BSA或LVEDD进行索引,以评估其对CRT结果的影响.
主要成果:
- 女性 (n=1439) 比男性 (n=5628) 更矮,BSA也更小.
- 心力衰竭住院 (HFH) 或死亡的减少在女性 (HR,0.54) 比男性 (HR,0.77) 显著更大.
- 与男性 (145毫秒) 相比,在女性 (126毫秒) 的QRS持续时间较短时观察到CRT效应,特别是在非缺血性心肌病症中.
结论:
- 身体尺寸部分解释了CRT受益的性别特定QRS持续时间值.
- 根据体型对QRS持续时间进行索引可能会提高患者对CRT的选择,特别是对于那些QRS持续时间边界患者.
- 虽然身体大小会影响值,但它似乎不会影响CRT效益的程度.
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