Circulation:恩格列净可逆转合并2型糖尿病的HFrEF患者的心室重构!

2021-02-09 Nebula MedSci原创

钠葡萄糖共转运蛋白2抑制剂可降低射血分数降低的心力衰竭(HFrEF)患者心衰住院和心血管死亡的风险。

钠葡萄糖共转运蛋白2抑制剂可降低射血分数降低的心力衰竭(HFrEF)患者心衰住院和血管死亡的风险。但是,它们对HFrEF患者心脏结构和功能的影响尚不确定。

Matthew等开展了一项多中心、双盲、安慰剂为对照的随机试验(SUGAR-DM-HF),以研究恩格列净用于左心室射血分数≤40%的且合并2型糖尿病或糖尿病前期的NYHA心功能II-IV期的HF患者的心血管效应。受试患者被随机1:1分至两组,接受恩格列净(10 mg/日)或安慰剂,并按年龄(<65岁或≥65岁)和血糖状态(糖尿病或糖尿病前期)分层。主要共预后是与基线相比,36周时左心室收缩末期容积相比体表面积的变化和左心室整体纵向应变力的变化。次要疗效预后包括其他心血管磁共振检查(左心室舒张期膜容积指数、左心室射血分数)、利尿强化、症状和生物标志物。

2018年4月-2019年8月期间,共招募了105位患者:平均68.7岁,73.3%为男性,82位(78.1%)合并糖尿病,23位(21.9%)处于糖尿病前期,平均左心室射血分数为32.5%,81位(77.1%)的NYHA分期为II期,24位(22.9%)为NYHA III期。所有患者接受针对HFrEF的标准治疗。

主要预后指标变化

与安慰剂相比,恩格列净可明显降低左心室收缩期末容积指数(6.0 mL/m2,p=0.015)。两组间的左心室整体纵向应变力无明显差异。恩格列净还显著降低了左心室舒张期膜容积指数(8.2 mL/m2,p=0.0042)和N末端前B型利钠肽水平(28%,p=0.038)。两组间的本研究评估的其他心血管指标均无明显差异。

次要预后指标变化

综上,钠葡萄糖共转运蛋白2抑制剂恩格列净明显减小合并2型糖尿病或糖尿病前期的HFrEF患者的LV容积。逆转左心室重构可能是钠葡萄糖共转运蛋白2抑制剂减少HFrEF患者心衰住院和死亡风险的潜在机制。

原始出处:

Matthew M.Y. Lee, et al. Effect of Empagliflozin on Left Ventricular Volumes in Patients With Type 2 Diabetes, or Prediabetes, and Heart Failure With Reduced Ejection Fraction (SUGAR-DM-HF). Circulation. 2021;143:516–525

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    2021-03-11 不爱开玩笑

    赞一个

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    2021-02-09 misszhang

    谢谢MedSci提供最新的资讯

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