TY -的T1 gut-lung轴的不同和失调降低航空公司的通风早产儿JF -欧洲呼吸杂志》乔和J - 10.1183/13993003.01909 -2019欧元六世- 55 - 5 SP - 1901909 AU Gallacher大卫AU -米切尔,艾玛AU -阿尔伯达格玛非盟-瓦希,奈杰尔•AU - Marchesi理查德•AU -克莱恩朱利安·r . AU - Kotecha Sailesh Y1 - 2020/05/01 UR - //www.qdcxjkg.com/content/55/5/1901909.abstract N2 -背景慢性肺疾病早产(CLD),也称为支气管肺的发育异常,是一个早产的主要后果,但微生物在其发展的作用仍不清楚。因此,我们评估了通气早产儿上、下气道细菌群落随时间的发展,并通过比较上、下气道细菌群落与粪便发现来评估肠-肺轴。最后,我们评估细菌群落是否与肺部炎症相关,以提示菌群失调。方法对通气性早产儿的上气道(鼻咽抽吸物)、下气道(气管抽吸液和支气管肺泡灌洗液)、肠道(粪便)等多个解剖部位进行连续采样。在所有样本中测量细菌DNA载量,并使用16S rRNA基因的V3-V4区域进行测序。结果55例早产儿1102例(539例鼻咽抽吸液、276例气管抽吸液、89例支气管肺泡灌洗液、198例粪便)标本中,352例(32%)扩增出适合的16S RNA基因序列。细菌载量在出生时较低,随着时间的推移迅速增加,但在所有样本类型中均与优势操作分类单位(OTUs)有关。在上、下呼吸道和肠道之间的细菌群落存在差异,婴儿的下呼吸道出现了单独的生物失调炎症过程。单个otu与炎症标志物增加相关。Conclusions Taken together, these findings suggest that targeted treatment of the predominant organisms, including those not routinely treated, such as Ureaplasma spp., may decrease the development of CLD in preterm-born infants.Respiratory colonisation was acquired after birth and associated with a pro-inflammatory response, suggesting an infectious process was present in babies at risk of developing chronic lung disease of prematurity (CLD), thus providing a target to reduce CLD http://bit.ly/31C27iX ER -