混合益生菌对机械通风患者肺部菌群的影响:一个探索性随机干预研究
Peng Lu1,2,3, Dongliang Li3, Qing Tian4
1Department of Emergency Medicine, Hebei Medical University, Shijiazhuang, Hebei, China.
European journal of medical research
|September 29, 2024
概括
机械通风减少了重症患者的肺部微生物多样性. 混合益生菌,包括乳酸菌,改善了肺菌群的多样性,并显示与IL-17A水平的关联.
科学领域:
- 关键护理医学 关键护理医学
- 微生物学 微生物学
- 肺部病理学 肺部病理学
背景情况:
- 机械通风与肺微生物组的显著变化有关.
- 危急病患者经常经历肺部微生物多样性的下降.
- 了解干预措施对肺微生物群的影响对于改善患者的治疗结果至关重要.
研究的目的:
- 研究混合益生菌对机械通风,重症患者的肺微生物多样性的影响.
- 分析肺部微生物的变化及其与临床因素和细胞因子水平的关联.
主要方法:
- 一项随机对照试验,涉及24名成年危急病患者,接受机械通风.
- 给益生菌组使用含有Bifidobacterium,Lactobacillus和Enterococcus的混合益生菌囊 (Bifico).
- 收集支气管支气管洗液 (BALF) 和血液样本用于微生物和细胞因子分析.
主要成果:
- 肺微生物多样性在对照组下降,但在益生菌组保持稳定.
- 乳酸菌种在对照组中对BALF微生物组成产生了重大影响.
- 血液和BALF中的IL-17A水平升高与临床因素有显著的关联.
结论:
- 机械通风导致肺部微生物多样性的减少.
- 在这种患者群体中,混合的益生菌管理可以帮助改善和维持肺部微生物多样性.
- 需要进一步的研究来探索益生菌在重症监护中的治疗潜力.
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