Lancet Respir Med:儿童时期肺功能的哪些特点预示着将来COPD风险升高?

2018-08-22 吴星 环球医学

2018年7月,越南、澳大利亚、斯里兰卡等国学者在《Lancet Respir Med》发表了一项从十岁到六十岁的前瞻性队列研究,考察了儿童时期肺功能轨迹预测因素与将来慢性阻塞性肺病(COPD)风险之间的相关性。

2018年7月,越南、澳大利亚、斯里兰卡等国学者在《Lancet Respir Med》发表了一项从十岁到六十岁的前瞻性队列研究,考察了儿童时期肺功能轨迹预测因素与将来慢性阻塞性肺病(COPD)风险之间的相关性。

背景:终身肺功能与生活质量和长寿相关。在寿命期内,每个人会具有不同的肺功能轨迹。识别这些轨迹、决定因素和结局是重要的,但是目前还没有超过40年的对上述情况进行的研究。

方法:研究者使用6条的塔斯马尼亚纵向健康研究(TAHS)对于7、13、18、45、50和53岁测量的肺功能轨迹进行建模。研究者使用基于组的轨迹模型,分析了6个时间点的支气管扩张药前的FEV1 z评分,从而鉴别出测量值遵循相似模式的不同个体亚组。研究者使用logistic回归,调查了鉴别出的轨迹与儿童时期因素和COPD之间的相关性,评估了COPD的人群归因分数。

结果:原始队列中的8583名参与者中,2438人具有至少两条的7岁和53岁时的肺功能数据,构成研究人群。研究者鉴别出6个轨迹:早期低于均值并加速下降(97人[4%]);持续变低(136人[6%]);早期低并加速升高、正常下降(196人[8%]);持续变高(293人[12%]);低于均值(772人[32%]);均值(944人[39%])。与均值组相比,3个轨迹,即早期低于均值并加速下降;持续变低;低于均值,在53岁时的COPD风险增加(早期低于均值、加速下降:比值比[OR],35.0(95% CI,19.5~64.0);持续变低:9.5(4.5~20.6);低于均值:3.7(1.9~6.9))。这3个轨迹的生命早期预测因素包括儿童时期哮喘、气管炎、肺炎、过敏性鼻炎、湿疹、父母哮喘和母亲吸烟。个人吸烟和活动性成人哮喘会分别增加母亲吸烟和儿童时期哮喘对早期低于均值并加速下降轨迹的影响。

结论:研究者鉴别出6种潜在的FEV1轨迹,其中的2个为新的。3个轨迹引起了75%的COPD,并与可改变的生命早期暴露(其影响受到成年因素的加重)相关。研究者假设,减少母亲吸烟、鼓励接种疫苗、避免个人吸烟,尤其是其对于父母吸烟或儿童时期肺功能低者,可将COPD风险最小化。医生和哮喘患者应该意识到非最佳的哮喘控制对终生肺功能轨迹的潜在长期影响,并且在将来的干预试验中应调查最佳哮喘控制对改善肺功能的作用和获益。

原始出处:

Bui DS, Lodge CJ, Burgess JA, et.al. Childhood predictors of lung function trajectories and future COPD risk: a prospective cohort study from the first to the sixth decade of life. Lancet Respir Med. 2018 Jul;6(7):535-544. doi: 10.1016/S2213-2600(18)30100-0. Epub 2018 Apr 5.

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    2019-03-10 howi
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    2018-08-27 huangshang9812

    哈哈哈,学习了

    0

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