Heart:肥厚型心肌病患者脑利钠肽前体N末端与心脏猝死

2020-12-28 MedSci原创 MedSci原创

肥厚型心肌病(HCM)患者脑利钠肽前体N末端(NT-proBNP)水平升高与心力衰竭相关死亡相关,但HCM患者NT-proBNP水平与心脏猝死(SCD)之间的关系尚未明确。

肥厚型心肌病(HCM)患者脑利钠肽前体N末端(NT-proBNP)水平升高与心力衰竭相关死亡相关,但HCM患者NT-proBNP水平与心脏猝死(SCD)之间的关系尚未明确。

近日,心脏病领域权威杂志Heart上发表了一篇研究文章,该研究前瞻性地纳入了977例HCM患者,这些患者均测量了NT-proBNP水平,并对其进行了前瞻性研究,随访了3.0±2.1年。研究人员计算了受试者工作特性曲线下的Harrell C统计量,以评区分性能。研究人员将NT-proBNP三分位数添加到HCM-SCD模型中来构建组合模型,并分析了log NT-proBNP水平与晚期钆增强(LGE)或Masson染色测量的心脏纤维化之间的相关性。

随访期间,29例患者发生SCD。log NT-proBNP水平升高与SCD事件的风险增加相关(校正后的HR为22.27,95%CI为10.93至65.63,p<0.001)。NT-proBNP在预测SCD事件中的C统计值为0.80(p<0.001)。组合模型将HCM-SCD模型的预测效率从0.72显著提高到0.81(p<0.05),相对综合区分能力提高了0.002(p<0.001),净重分类改善了0.67(p<0.001)。此外,通过LGE(r=0.257,p<0.001)或通过心肌Masson染色(r=0.198,p<0.05)检测到的log NT-proBNP水平与心脏纤维化显著相关。

由此可见,NT-proBNP是HCM患者发生SCD的独立预测因子,可能有助于对该疾病进行危险分层。

原始出处:

Guixin Wu.et al.N-terminal pro-brain natriuretic peptide and sudden cardiac death in hypertrophic cardiomyopathy.heart.2020.https://heart.bmj.com/content/early/2020/12/23/heartjnl-2020-317701

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    2021-02-01 ms3000001962617292

    NT-proBNP是HCM患者发生SCD的独立预测因子

    0

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    2020-12-29 zhaojie88
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    2020-12-29 slcumt
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    2020-12-27 oo902

    NT-proBNP是HCM患者发生SCD的独立预测因子

    0

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    2020-12-28 Jessie Zhang

    肥厚型心肌病患者脑利钠肽前体N末端与心脏猝死。

    0

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