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JAHA:孕妇产后心脏功能与先兆子痫有关吗?

2021-02-24 MedSci原创 MedSci原创

妊娠并发先兆子痫后10年,激活素A水平和心脏纵向应变都有所升高。需要进行进一步的研究,以更好地了解先兆子痫、激活素A与长期心功能之间的关系。

先兆子痫是血管疾病长期发展的重要危险因素。尽管现有研究报道先兆子痫与心力衰竭之间有很强的相关性,但对潜在机制了解甚少,糖蛋白生长因子激活素A作为一种可能的机制参与其中。在妊娠期间,激活素A水平升高与1年时心脏整体纵向应变受损相关,但这些变化是否持续超过1年尚不清楚。近日,心血管疾病领域权威杂志JAHA上发表了一篇研究文章,研究人员假设先兆子痫孕妇在妊娠1年后激活素A水平仍会升高,并且与心脏功能受损有关。

为了检验该研究的假设,研究人员对无并发症的孕妇(n=25)或合并先兆子痫的孕妇(n=21)妊娠后10年内进行了超声心动图检查,并测量了激活素A水平。

与正常妊娠的妇女相比,先兆子痫妇女具有较差的心脏整体纵向应变(-18.3% vs. -21.3%,P=0.001),较厚的左心室后壁厚度(0.91mm vs. 0.80mm,P=0.003)和室间隔间隔厚度(0.96mm vs. 0.81mm,P=0.0002)。先兆子痫妇女的激活素A水平(0.52 vs. 0.37 ng/mL,P=0.02)和激活素/卵泡抑素样3比值(0.03 vs. 0.02,P=0.04)也较高。在多变量模型中,校正入组年龄、平均动脉压、种族和体重指数(P=0.003)后,激活素A水平与恶化的整体纵向应变之间的关系仍然显著(P=0.003)。

由此可见,妊娠并发先兆子痫后10年,激活素A水平和心脏纵向应变都有所升高。需要进行进一步的研究,以更好地了解先兆子痫、激活素A与长期心功能之间的关系

原始出处:

Victoria A. deMartelly.et al.Long‐Term Postpartum Cardiac Function and Its Association With Preeclampsia.J AM HEART ASSOC.2021.https://www.ahajournals.org/doi/10.1161/JAHA.120.018526

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