J Thromb Haemost:首次静脉血栓栓塞后妊娠期VTE复发的危险因素

2022-02-04 MedSci原创 MedSci原创

这项研究证实,在既往有VTE的女性中,尽管进行了血栓预防,但产后VTE复发的风险很高。只有肥胖与妊娠期VTE复发相关,这表明低剂量抗凝剂治疗可能不适用于肥胖的孕妇。

50岁以下女性的大多数静脉血栓栓塞(VTE)事件主要由短暂的危险因素或激素相关因素所引起。既往有VTE病史的女性在妊娠期间伴有复发风险。有研究报道大约60%的50岁以下女性在服用含有雌激素的避孕药时会发生首次静脉血栓栓塞,另有20%的女性在妊娠期间或产后经历了静脉血栓栓塞事件。此外,一些研究报道了高危女性血栓预防失败的风险,特别是在产后。

近日,血栓和凝血疾病权威杂志Journal of Thrombosis and Haemostasis上发表了一篇研究文章,研究人员旨在根据妊娠期和与复发相关的临床参数,在首次VTE的育龄妇女前瞻性队列中评估妊娠期间复发性VTE的发生率。

在2000年至2020年期间,研究人员共对189名年龄为15-49岁且首次记录为VTE的女性进行了随访,直至随后妊娠至少20周。研究人员记录了妊娠期间的VTE复发情况,以及复发的潜在临床危险因素。

6名妇女在产前发生了复发性VTE:5名患者VTE发生于孕早期(发病率为106.4/1000妇女每年)(95%置信区间[CI]为46.3-226.0);没有VTE发生在孕中期;1名患者VTE发生在妊娠晚期(发病率为27.0/1000女性每年[95%CI为4.8-138.2])。在产后,11名女性出现复发性VTE(发病率为212.8/1000女性每年[95%CI为119.9-349.1])。这17例复发性VTE病例中有5例患者临床表现为肺栓塞±深静脉血栓形成(DVT),在12例患者中表现为孤立性DVT。产前有2例(33.3%)患者和产后有10例(90.9%)患者发生血栓预防失败。在多变量分析中,只有肥胖(根据孕前体重指数定义)与复发性VTE相关(比值比为3.34[95%CI为1.11-10.05,p=0.03])。

由此可见,这项研究证实,在既往有VTE的女性中,尽管进行了血栓预防,但产后VTE复发的风险很高。只有肥胖与妊娠期VTE复发相关,这表明低剂量抗凝剂治疗可能不适用于肥胖的孕妇。

原始出处:
 
Claire de Moreuil.et al.Risk factors for recurrence during a pregnancy following a first venous thromboembolism: A French observational study.Journal of Thrombosis and Haemostasis.2022.https://onlinelibrary.wiley.com/doi/10.1111/jth.15639?af=R

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    2022-08-20 xue8602
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    2022-05-02 changfy
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    2022-09-14 fusion
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