Eur J Heart Fail:左心房功能在射血分数保留的心衰中的作用

2020-01-11 xing.T MedSci原创

由此可见,LA功能受损似乎在HFpEF患者中具有诊断和预后价值,但是LA功能指标是否真正完善了诊断或预后的判断仍有待进一步明确。需要更大型的研究来更好地评估LA功能与临床结局之间的关联,以及LA功能作为新型HFpEF治疗靶标的作用。

左心房(LA)收缩功能可能在射血分数(HFpEF)保留的心衰发生和发展中起重要作用。最近,心血管领域权威杂志European Journal of Heart Failure上发表了一篇研究文章,研究人员进行了系统的回顾和荟萃分析,以评估受损的LA功能与HFpEF预后之间的相关性。

研究人员在多个数据库中检索了原始研究,这些研究测量了HFpEF患者不同阶段的LA功能,并通过合并加权平均差异(WMD)评估对HFpEF患者和健康对照者之间的LA功能进行比较。研究人员合并了具有95%置信区间的调整风险比(HR),以评估LA功能对患者预后的影响。

该分析纳入了22项研究(2个试验性研究,20个观察性研究),共1974名HFpEF患者和751名健康对照者。与对照者相比,HFpEF患者的LA储备[WMD=-12.21%(−15.47,−8.95);P<0.001],LA导管[WMD=−5.68%(−8.56,-2.79);P<0.001]和泵功能[WMD=-11.07%(-14.81,-7.34);P<0.001]的排空分数减少。HFpEF患者的LA储备[WMD=-13.38%(−16.07,-10.68); P<0.001]、导管[WMD=-4.09%(−6.77,-1.42); P=0.003]和泵[WMD=-3.53%(−4.47,-2.59); P<0.001]应变也显著降低。LA储备应变降低[HR为1.24(1.02,1.50); P=0.03]与复合全因死亡或心力衰竭住院的风险显著相关。

由此可见,LA功能受损似乎在HFpEF患者中具有诊断和预后价值,但是LA功能指标是否真正完善了诊断或预后的判断仍有待进一步明确。需要更大型的研究来更好地评估LA功能与临床结局之间的关联,以及LA功能作为新型HFpEF治疗靶标的作用。

原始出处:

Muhammad Shahzeb Khan.et al.Left atrial function in heart failure with preserved ejection fraction: a systematic review and meta‐analysis.European journal of heart failure.2020.https://onlinelibrary.wiley.com/doi/10.1002/ejhf.1643

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    2020-02-16 ylz8411
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    2020-01-13 zhaojie88
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    2020-01-13 slcumt
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    2020-01-13 sodoo

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