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JAMA Intern Med:女性接受CRT-D治疗的适应证应扩大?

2014-07-01 cath 编译 医学论坛网

美国学者评估了左束支传导阻滞(LBBB)女性患者是否能从心脏再同步治疗除颤器(CRT-D)治疗中获益,结果表明,在首发轻度心力衰竭的人群中,男性LBBB患者相比,从CRT-D 获益的LBBB女性患者QRS间期更短。研究者表示,该研究结果是重要的,因为近期指南将CRT-D治疗的I级适应证限制为QRS间期≥150 ms的LBBB患者;而QRS间期在120—149 ms之间的LBBB患者接受CRT-D治

美国学者评估了左束支传导阻滞(LBBB)女性患者是否能从心脏再同步治疗除颤器(CRT-D)治疗中获益,结果表明,在首发轻度心力衰竭的人群中,男性LBBB患者相比,从CRT-D 获益的LBBB女性患者QRS间期更短。


研究者表示,该研究结果是重要的,因为近期指南将CRT-D治疗的I级适应证限制为QRS间期≥150 ms的LBBB患者;而QRS间期在120—149 ms之间的LBBB患者接受CRT-D治疗的推荐等级为IIa,该研究结果值得深入交流,因为按照指南推荐则可致女性接受CRT-D治疗比男性的可能性更小。6月23日在线发表于《美国医学会杂志·内科学》(JAMA Intern Med)。

研究患者数据来源于3 CRT-D与埋藏式复律除颤器(ICD)对比研究的纽约心功能(NYHA)II级的主要患者,对其随访3年。利用随机效应Cox比例风险模型评估CRT-D和ICD的对比效果。主要转归和检测指标为至心力衰竭事件或死亡时间,次要转归为仅死亡。

结果显示,接受CRT-D治疗的女性获益大于男性。主要差异发生在LBBB和QRS间期130—149的患者中。在这类人群中,女性心力衰竭或死亡风险减少76%[危险比(HR)0.24],仅死亡风险也减少76% (HR 0.24),而在男性中则无这种显著获益(HR0.85)。QRS 间期≥150 ms的两种性别的LBBB人群均可获益,而QRS<130 ms的LBBB人群均不能从CRT-D中获益。

原始出处:

Robbert Zusterzeel, MD1; Kimberly A. Selzman, MD, MPH1; William E. Sanders, MD, MBA1; Daniel A. Caños, PhD, MPH1; Kathryn M. O’Callaghan, BSE1; Jamie L. Carpenter, MSPH1; Ileana L. Piña, MD, MPH1; David G. Strauss, MD, PhD1.Cardiac Resynchronization Therapy in WomenUS Food and Drug Administration Meta-analysis of Patient-Level Data.JAMA Intern Med. Published online June 23, 2014. doi:10.1001/jamainternmed.2014.2717

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    2014-07-03 爆笑小医
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