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JACC:组胺H2受体拮抗剂(H2RA)可减少心衰的发生

2016-03-29 MedSci MedSci原创

在临床前模型中,心肌H2受体活化可促进心脏纤维化和凋亡,使用组胺H2受体拮抗剂(H2RA)可改善心脏衰竭(HF)参与者的症状;然而,H2RA使用,HF事件,并在左心室(LV)形态学纵向变化之间的关系是未知的。本研究旨在确定随着时间的变化使用H2RA是否与HF事件和LV的形态变化有关。该研究包括了来自MESA(动脉粥样硬化的多种族研究)研究的6,378名男性和女性,这是一项多中心前瞻性观察研究,这些

在临床前模型中,心肌H2受体活化可促进心脏纤维化和凋亡,使用组胺H2受体拮抗剂(H2RA)可改善心脏衰竭(HF)参与者的症状;然而,H2RA使用,HF事件,并在左心室(LV)形态学纵向变化之间的关系是未知的。


本研究旨在确定随着时间的变化使用H2RA是否与HF事件和LV的形态变化有关。

该研究包括了来自MESA(动脉粥样硬化的多种族研究)研究的6,378名男性和女性,这是一项多中心前瞻性观察研究,这些参与者在基线时无心血管疾病。Cox比例风险被用来估计在调整的模型中H2RA的使用和HF事件之间的关联。在进行心脏磁共振成像的参与者中,H2RA使用,基线左室形态(n=4691),和LV纵向变化(n=2806)用线性回归进行了估计。

313名参与者使用H2RAs,而其他6065个人没有使用。在平均11.2年的随访过程中,236名参与者发生HF事件。在调整后的模型中,基线使用H2RA与不使用的患者相比,HF事件风险(P=0.02)降低了62%。H2RA的使用与保存每搏输出量相关,左室舒张末期容积和质量/体积比通过心脏磁共振成像测量,用了大约10年的时间(所有P<0.05)。H2RA的使用和LV质量或射血分数之间没有关联。

H2RA的使用可减少HF事件风险。左心脏形态随着时间的推移表明在H2RA使用者中与年龄有关的变化较少。这些联系表明组胺信在HF的发病机制中的重要性。

原始出处:

Peter J. Leary,Ryan J. Tedford,David A. Bluemke,et al.Histamine H2 Receptor Antagonists, Left Ventricular Morphology, and Heart Failure Risk,JACC,2016.3.29

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    2017-02-22 hbwxf
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    2017-03-05 zhouqu_8
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    2016-03-31 高高3684

    学过了

    0

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