JAHA:慢性症状性外周动脉疾病患者总体心血管和肢体事件

2022-05-29 MedSci原创 MedSci原创

有症状的PAD患者总事件数几乎是首次事件数的两倍,其发生率反映了受累及血管区域的数量。

外周动脉疾病(PAD)与主要不良血管事件和肢体事件的高风险相关,但关于总体(首次和潜在后续)事件的风险负担以及与多血管疾病相关性的数据十分有限。

近日,心血管疾病领域权威杂志JAHA上发表了一篇研究文章,这项对替格瑞洛对外周动脉疾病疗效(EUCLID)试验的事后分析评估了有症状的外周动脉患者的心血管和肢体事件总数,总体和有症状的受累血管数量。

在EUCLID试验中,有症状的PAD患者(随机分组前30天以前下肢血运重建或踝臂指数≤0.80)随机接受替格瑞洛或氯吡格雷治疗。研究人员对总事件(心血管死亡;非致死性心肌梗死和缺血性卒中;急性肢体缺血、不稳定型心绞痛、短暂性脑缺血发作需要住院治疗;冠状动脉、颈动脉和周围血管重建术;以及有症状的PAD截肢)根据风险比(HRs)进行了总结,而绝对风险则根据发病率和平均累积函数进行了估计。

在13885名随机患者中,中位2.7年随访期间,该研究共发生了7600例心血管和肢体事件,替格瑞洛组和氯吡格雷组在3年内分别有每100例患者中60.0例和62.5例事件(HR为0.96;95%置信区间为0.89-1.03;P=0.27)。在累及3个血管区域的1393名患者中,替格瑞洛和氯吡格雷组3年事件发生率分别为87.3例和97.7例/100例患者。在1个、2个和3个受累及的血管区域中,替格瑞洛相对于氯吡格雷3年的绝对风险降低分别为-0.2、6.7和10.3例事件/100名患者(交互作用P=0.09)。

由此可见,有症状的PAD患者总事件数几乎是首次事件数的两倍,其发生率反映了受累及血管区域的数量。这些结果强调了根据总事件量化疾病负担的临床相关性,以及对高危患者群体进行长期预防治疗的必要性。

原始出处:

Michael Szarek.et al.Total Cardiovascular and Limb Events and the Impact of Polyvascular Disease in Chronic Symptomatic Peripheral Artery Disease.JAHA.2022.https://www.ahajournals.org/doi/10.1161/JAHA.122.025504

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    2022-05-31 zhaohui6731
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