Bacterial load and related innate immune response in the bronchi of rapid decliners with chronic obstructive pulmonary disease

SE D'Anna, F Dossena, I Gnemmi, P Brun… - Respiratory …, 2023 - Elsevier
… and compare the bronchial bacterial load related to cell … in bronchial biopsies of stable COPD
patients with rapid vs slow vs no … We defined rapid decline as rate of FEV1 decline >70 ml/…

Chronic bronchial infection is associated with more rapid lung function decline in chronic obstructive pulmonary disease

MÁ Martínez-García, R Faner, G Oscullo… - Annals of the …, 2022 - atsjournals.org
… cohort follow-up, and we did not quantify bacterial load but used instead a cut-off point of …
Airway bacterial load and FEV 1 decline in patients with chronic obstructive pulmonary disease

Airway dysbiosis accelerates lung function decline in chronic obstructive pulmonary disease

W Liang, Y Yang, S Gong, M Wei, Y Ma, R Feng… - Cell host & …, 2023 - cell.com
… Progressive lung function decline is a hallmark of chronic obstructive pulmonary disease (…
UK centers, that baseline airway dysbiosis in COPD patients, characterized by the enrichment …

Bacterial load and inflammatory response in sputum of alpha-1 antitrypsin deficiency patients with COPD

B Balbi, C Sangiorgi, I Gnemmi, I Ferrarotti… - … of Chronic Obstructive …, 2019 - Taylor & Francis
… A pathogenic role of bacterial load leading to bronchial … to decline in absolute numbers in
AATD-AT patients compared … a reduction in neutrophil accumulation in the lower airways and …

Relationship between gut microbiota and lung function decline in patients with chronic obstructive pulmonary disease: a 1-year follow-up study

YC Chiu, SW Lee, CW Liu, TY Lan, LSH Wu - Respiratory Research, 2022 - Springer
bacterial richness and diversity in stool samples changed significantly when the FEV 1 declined
more than 40 ml/year (decline … control (Bacteroidetes) and decline (Firmicutes) groups. …

Bacterial and viral infections and related inflammatory responses in chronic obstructive pulmonary disease

SE D'Anna, M Maniscalco, F Cappello… - Annals of …, 2021 - Taylor & Francis
… of bacteria and the microbiota composition in COPD airways … the airwaysbacterial load and
the bronchial inflammation has … in COPD patientsairways further contributes to reduction of …

A systematic review and meta-analysis of the prevalence and impact of pulmonary bacterial colonisation in stable state chronic obstructive pulmonary disease (COPD)

MN Armitage, DA Spittle, AM Turner - Biomedicines, 2021 - mdpi.com
… Data on bacterial load in positive cultures were sparingly … FEV1 data were reported across
most studies as mean FEV1 (… in airways disease, such as aspergillus, are not bacteria and …

Association of exacerbation phenotype with the sputum microbiome in chronic obstructive pulmonary disease patients during the clinically stable state

CY Yang, SW Li, CY Chin, CW Hsu, CC Lee… - Journal of Translational …, 2021 - Springer
… volume in 1 s (FEV1) only. This … of airway bacteria occurring during acute exacerbations
of COPD [10,11,12]. An increased bacterial load has been associated with a decline in lung

Current challenges in chronic bronchial infection in patients with chronic obstructive pulmonary disease

JL Lopez-Campos, M Miravitlles… - Journal of clinical …, 2020 - mdpi.com
… concentration in the bronchial tree, decreasing the bacterial load in the airways and favoring
… Mean FEV1(%) = 43% Reduction in total numbers of sputum cells and neutrophil elastase. …

Chronic obstructive pulmonary disease upper airway microbiome is associated with select clinical characteristics

AA Pragman, KA Knutson, TJ Gould, SW Hodgson… - PloS one, 2019 - journals.plos.org
decrease the oral bacterial burden compared to samples obtained after an overnight fast. …
Despite analyzing FEV1pp as a continuous variable, inclusion of this subject with a FEV1/FVC …