在患有喘,慢性阻塞性肺病和喘-COPD的患者中,计算机断层扫描中的粘液堵塞和唾液微生物群重叠
Naoya Tanabe1, Hisako Matsumoto2, Chie Morimoto1
1Department of Respiratory Medicine, Kyoto University Graduate School of Medicine, Kyoto, Japan.
概括
呼吸道微生物组在喘-COPD重叠 (ACO),喘和COPD中不同地影响粘液堵塞. 蛋白质细菌和海莫菲勒斯可能会驱动粘液堵塞在ACO中与中度的eosinophilic炎症.
科学领域:
- 呼吸系统医学 呼吸系统医学
- 微生物学 微生物学
- 肺部病理学 肺部病理学
背景情况:
- 喘,COPD和ACO中的粘液堵塞病原体尚未完全理解.
- 截然不同的气道微生物群可能会在这些条件和不同的异性炎症水平上对粘液堵塞产生不同的影响.
研究的目的:
- 研究呼吸道微生物组组成与喘,COPD和ACO患者的粘液堵塞之间的关系.
- 为了确定特定的微生物配置是否与粘液堵塞严重性和eosinophilic炎症有关.
主要方法:
- 在患有慢性空气流量限制的患者中,横截面评估唾液微生物组,细胞差异计数和基于CT的粘液塞得分.
- 多变量分析以评估独立于临床因素的关联.
主要成果:
- 粘液堵塞与ACO中的蛋白质细菌和COPD中的活性细菌的丰富度相关.
- 在ACO中,粘液塞与Proteobacteria和Haemophilus有关,独立于吸烟,空气流量限制和肺气.
- 粘液分数与高氨基酸计数中的链球菌和中度氨基酸计数中的血球菌相关.
结论:
- 气道微生物组与粘液堵塞的关联在ACO和COPD/喘之间有所不同.
- 蛋白质菌和血球菌可能在ACO粘液堵塞中发挥作用,特别是在中等程度的eosinophilic炎症中.
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