连续呼出氧化水平和喘控制之间的关系的一年前性研究
Fanny Wai San Ko1, Ka Pang Chan1, Joyce Ka Ching Ng1
1Department of Medicine and Therapeutics, the Chinese University of Hong Kong, Hong Kong, People's Republic of China.
Journal of asthma and allergy
|July 20, 2023
概括
排气中的微分氧化 (FeNO) 度的连续变化与喘控制的改善相关,特别是在具有高乙氨基酸细胞数量的患者中. 随着时间的推移,对FeNO的监测为喘管理提供了宝贵的见解.
科学领域:
- 肺部医学 肺部医学
- 生物标志物研究 生物标志物研究
- 临床免疫学临床免疫学
背景情况:
- 之前的研究表明,与白人成年人相比,健康的中国成年人在呼出的气息中氧化 (FeNO) 度更高.
- 了解与喘控制相关的序列FeNO变化对于其在常规临床实践中的应用至关重要.
- 这项研究研究了中国喘患者的FeNO水平及其连续变化,在一年内有不同的控制水平.
研究的目的:
- 评估不同喘控制层中中国喘患者的FeNO水平.
- 为了评估FeNO水平的连续变化,以应对12个月的喘控制变化.
- 探索FeNO作为生物标志物在现实生活中的喘管理中的实用性.
主要方法:
- 一项为期12个月的前性研究,涉及136名中国喘患者.
- 在基线,4个月,8个月和12个月进行了系列FeNO测量.
- 用全球喘倡议 (GINA) 分类,喘控制测试 (ACT) 和喘控制问卷 (ACQ) 来评估喘控制.
主要成果:
- 在控制,部分控制和不受控制的喘组中,基线FeNO水平没有显著差异.
- 随着喘控制改善,FeNO水平下降,随着控制不变或恶化,喘水平保持稳定.
- 在患有≥300细胞/μL血中乙氨基酸细胞计数的受试者中,FeNO水平随着改善而降低,保持相似而没有变化,随着喘控制恶化而增加.
- 接收器操作特征 (ROC) 分析确定了FeNO水平在-10至-25ppb之间的变化,作为改善喘控制的最佳指标.
结论:
- 随着时间的推移,FeNO水平的变化与临床喘控制修改有显著的关联.
- 这些连续的FeNO变化在患有血中氨基酸细胞计数升高的患者中尤其具有信息意义.
- 与单个时间点测量相比,监测FeNO趋势在喘管理中具有更大的实用性.
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