Circulation:复杂性较低的先心病成人患者心血管疾病的发病率高

2019-03-29 xiangting MedSci原创

与一般人群相比,低复杂性ACHD个体的不良心血管事件负担较重,而这不能由传统心血管危险因素来解释。

尽管成人先天性心脏病(ACHD)多数为低复杂性的心脏畸形,但人们对这一人群不良血管事件的长期风险以及与传统危险因素的关系知之甚少。这项研究旨在量化与低复杂性ACHD相关的不良血管事件风险,该风险不能由传统危险因素测量。

采用多层分类算法在英国生物银行(UKB)> 500,000名英国成人中选出低复杂性ACHD个体及无ACHD个体用于比较。ACHD诊断被分类为"孤立性主动脉瓣(AoV)"和"非复杂"缺陷。对于致命或非致命急性冠脉综合征(ACS)、缺血性卒中、心力衰竭(HF)和房颤的主要终点,以及主要不良心血管事件(MACE)的次要联合终点进行事件时间分析。使用UKB回顾性和前瞻性收集的数据,研究期间的最大随访时间为22年。

研究人员在UKB中确定了2,006名低复杂性ACHD患者和497,983名未暴露个体(入组时的中位[IQR]年龄58岁[51,63])。在ACHD暴露组中,59%是男性;51%现在吸烟或既往吸烟;30%肥胖;分别有 69%、41%和7%的患者被诊断或治疗高血压、高血脂和糖尿病。调整了12个心血管危险因素后,ACHD仍与主要终点密切相关,危险比(HR)从ACS的2.0(95%可信区间[CI]1.5-2.8,p<0.001)到HF的13.0(95%CI 9.4-18.1,p<0.001)。心血管危险因素≤2个的ACHD暴露个体MACE的年龄调整发病率为29%,而≥5个危险因素的非ACHD个体为13%。

与一般人群相比,低复杂性ACHD个体的不良心血管事件负担较重,而这不能由传统心血管危险因素来解释。这些研究结果强调了需要对轻至中度ACHD患者进行更密切的监测,并进一步研究这一不断增长的高危成人群体所特有心血管风险的治疗和机制。

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    2019-03-31 ssnine
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