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JAHA:致瘤性抑制在射血分数正常心力衰竭病理生理中的作用!

2017-02-19 xing.T MedSci原创

由此可见,在HFpEF患者中,sST2水平与炎症伴随疾病、右室压力负荷和功能障碍、全身充血相关,但与左心室几何形态或功能无关。这些数据表明ST2可能是HFpEF患者全身炎症反应和潜在的心外起源的标志。

可溶性致瘤性抑制(sST2)受体是一种生物学标志物,是某些全身性炎症性疾病中有所升高。合并症驱动的微血管炎症被认为在射血分数正常心力衰竭(HFpEF)的病理生理中发挥关键的作用,但有关sST2如何与HFpEF患者的临床特征、炎症性疾病或生物学标志物产生相关性的研究数据较为有限。近日,心血管疾病领域权威杂志JAHA上发表了一篇研究文章,研究人员旨在确定HFpEF患者循环中sST2水平与临床相关性。

该研究的患者(n=174)来自于抑制磷酸二酯酶5改善舒张性心力衰竭患者临床状态和运动能力(RELAX)试验,在招募之初,研究人员测定了参与者的sST2水平。并将临床特征;心脏的结构和功能;运动能力;和神经内分泌激活、全身炎症反应和纤维化、心肌坏死的标志物与sST2水平之间的相关性进行可评估。

男性和女性HFpEF患者平均sST2水平分别为36.7ng/mL(范围为30.9-49.2ng/mL;参考值范围为4-31ng/mL)和30.8ng/mL(范围为25.3-39.3ng/mL;参考值范围为2-21ng/mL)。在HFpEF患者中,较高的sST2水平与糖尿病、心房颤动、肾功能障碍、右室压力负荷和功能障碍、全身充血、运动不耐受以及神经内分泌激活、全身炎症反应和纤维化、心肌坏死的标志物相关(所有P<0.05)。sST2水平与左心室结构或左心室收缩或舒张功能无关。

由此可见,在HFpEF患者中,sST2水平与炎症伴随疾病、右室压力负荷和功能障碍、全身充血相关,但与左心室几何形态或功能无关。这些数据表明ST2可能是HFpEF患者全身炎症反应和潜在的心外起源的标志。

原始出处:


Omar F. AbouEzzeddine, et al. Suppression of Tumorigenicity 2 in Heart Failure With Preserved Ejection Fraction. JAHA.2017. https://doi.org/10.1161/JAHA.116.004382

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    2017-10-06 yibei
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    2017-02-21 zhaohui6731
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