ArticleSichuan da xue xue bao. Yi xue ban = Journal of Sichuan University. Medical science edition2026
[Characteristics of the Pathogenic Bacteria Isolated from the Lower Respiratory Tract of the Patients With Acute Exacerbation of Chronic Obstructive Pulmonary Disease].
Article in Sichuan da xue xue bao. Yi xue ban = Journal of Sichuan University. Medical science edition, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Phage therapy for multidrug-resistant pulmonary infections: bridging precision matching, lung delivery, host immunity, and clinical translation.Frontiers in cellular and infection microbiology · 2026Review
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Objective: To analyze the species distribution and in vitro susceptibility of pathogenic bacteria isolated from the lower respiratory tract of the patients with acute exacerbation of chronic obstructive pulmonary disease (AECOPD), and to provide guidance for the treatment of pulmonary infections in this kind of patients. Methods: The AECOPD patients with suspected lower respiratory tract sample infection from January 2015 to December 2024 were included. The data of species identification and in vitro drug susceptibility testing results of pathogenic bacteria isolated from the lower respiratory tract were retrospectively collected. The detection rate, species distribution, in vitro susceptibility of predominant species, and ratios of multidrug-resistant (MDR) bacteria were compared among different sample types. Data were analyzed using WHONET 5.6 and SPSS 26.0 software. Results: A total of 25253 lower respiratory tract samples from 3861 patients were included. The pathogen detection rates in sputum, aspirates and bronchoalveolar lavage fluids were 27.2% (6463/23722), 33.5% (135/403), and 48.9% (551/1128), respectively, with a statistically significant difference of detection rate ( Conclusion: Gram-negative bacteria were the predominant pathogenic bacteria detected from the low respiratory tract of AECOPD patients, with a low isolation rate of fastidious bacteria. Non-sputum samples exhibited a higher detection rate of MDR bacteria.
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