喘儿童体质指数Z分数和肺功能参数之间的非线性关系:一个横截面研究
Jing Wang1,2, Jinmao Gao3, Yuling Han1,2
1Department of Respiratory, Jinan Children's Hospital, Jinan, People's Republic of China.
Journal of asthma and allergy
|October 31, 2025
概括
患有喘的儿童的体重指数 (BMI) 显示出与肺功能存在复杂的关系. 高BMIz-score超过一定值可能会对肺功能产生负面影响,这表明体重指导干预对喘管理至关重要.
科学领域:
- 儿科肺病学 儿科肺病学
- 喘研究 喘研究
- 肥胖与健康 肥胖与健康
背景情况:
- 喘是一种慢性呼吸道疾病,影响着世界各地的儿童.
- 身体质量指数 (BMI) 和其标准化的衡量标准,BMI z-scores,越来越多地被认为是影响喘严重程度和管理的因素.
- 了解体重状况和肺功能之间的准确关系对于有效的儿科喘护理至关重要.
研究的目的:
- 研究被诊断患有喘的儿童体质指数 (BMI) 和BMIz分数以及各种肺功能参数之间的关联.
- 为了确定BMIz分数和肺功能之间的关系中的潜在值效应.
- 为儿童喘患者制定个性化治疗和管理策略提供证据.
主要方法:
- 研究了一组328名患有急性喘恶化症的儿童.
- 测量了包括VCmax,FVC,FEV1,PEF,MMEF,MEF25,MEF50和MEF75在内的肺功能参数.
- 使用线性和断片回归模型分析了BMI,BMI z分数和肺功能之间的关联,控制了相关的共变量.
主要成果:
- 在BMI和几个肺功能指标 (VCmax,FVC,FEV1,MEF50,MEF75,MMEF) 之间观察到正线性相关性.
- 体重指数z分数也显示了与VCmax,FVC,FEV1,MEF25,MEF50和MMEF的正线性关联,即使经过对混因子进行调整.
- 分段回归显示出显著的非线性关系,肺功能在儿童的BMIz-score大约超过2.3-3.9.9的儿童下降.
结论:
- 在患有喘的儿童中,BMI z分数和肺功能参数之间存在非线性关联.
- 患有喘和BMIz-score超过特定值的儿童的肺功能明显恶化.
- 体重指导干预措施有望改善儿童群体的肺功能和整体喘控制.
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