山东大学学报 (医学版) ›› 2024, Vol. 62 ›› Issue (7): 48-55.doi: 10.6040/j.issn.1671-7554.0.2024.0534
冯悦1,2,俞一凡1,2,吴思佳1,2,李洪凯1,2,薛付忠1,2
FENG Yue1,2, YU Yifan1,2, WU Sijia1,2, LI Hongkai1,2, XUE Fuzhong1,2
摘要: 目的 采用两样本孟德尔随机化(mendelian randomization, MR)方法探究肥胖与肺部疾病的因果关系。 方法 采用逆方差加权法(inverse variance weighted, IVW)和6种基于不同假设下的MR方法,利用全基因组关联研究(genome-wide association study, GWAS)汇总数据,评估内脏脂肪组织(visceral adipose tissue, VAT)与肺部疾病(慢性阻塞性肺病、睡眠呼吸暂停、肺癌、肺炎、肺栓塞、特发性肺纤维化、肺结核)之间的因果关系。采用留一法、Cochrans Q检验,MR-Egger回归截距项检验、MR-PRESSO检验进行敏感性分析,评估工具变量的异质性、多效性和稳定性。 结果 IVW结果表明,遗传学预测的较高VAT与慢性阻塞性肺病(OR=1.56, 95%CI:1.33~1.84, P<0.001)、睡眠呼吸暂停(OR=1.76, 95%CI:1.53~2.03, P<0.001)、肺癌(OR=1.39, 95%CI: 1.23~1.58, P<0.001)、肺炎(OR=1.22, 95%CI:1.15~1.30, P<0.001)的较高发生风险存在因果关联。除了MR-Egger,其他4种MR方法结果均与主要分析结果一致。此外,有提示性证据支持较高VAT会增加肺栓塞(OR=1.18, 95%CI:1.04~1.34, P=0.009)和特发性肺纤维化(OR=1.00, 95%CI:1.00~1.00, P=0.011)的发生风险。 结论 VAT累积可能增加慢性阻塞性肺病、睡眠呼吸暂停、肺癌、肺炎、肺栓塞和特发性肺纤维化的发生风险。
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