ArticleInfection2025
Risk factors for survival after lung transplantation in cystic fibrosis: impact of colonization with multidrug-resistant strains of Pseudomonas aeruginosa.
Article in Infection, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- SARS-CoV-2 Infection disrupts lower respiratory tract microbiome function and interactions.BMC microbiology · 2026Article
- The influence of seasonal factors on postoperative bacterial infection in lung transplantation patients: a retrospective cohort study.Journal of thoracic disease · 2026Article
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundLung transplantation is the ultimate treatment option for patients with advanced cystic fibrosis. Chronic colonization of these recipients with multidrug-resistant (MDR) pathogens may constitute a risk factor for an adverse outcome. We sought to analyze whether colonization with MDR pathogens, as outlined in the German classification of multiresistant Gram-negative bacteria (MRGN), was associated with the success of lung transplantation.
methodsWe performed a monocentric retrospective analysis of 361 lung transplantations performed in Homburg, Germany, between 1995 and 2020. All recipients with a main diagnosis of cystic fibrosis (n = 69) were stratified into two groups based on colonization with Pseudomonas aeruginosa in view of MRGN before transplantation: no colonization and colonization without (n = 23) or with (n = 46) resistance to three or four antibiotic groups (3MRGN/4MRGN). Multivariable analyses were performed including various clinical parameters (preoperative data, postoperative data).
resultsCF patients colonized with multidrug-resistant pathogens (Pseudomonas aeruginosa) classified as 3MRGN/4MRGN had poorer survival (median survival 16 years (without MRGN) versus 8 years (with MRGN), P = 0.048). Extracorporeal support (P = 0.014, HR = 2.929), re-transplantation (P = 0.023, HR = 2.303), female sex (P = 0.019, HR = 2.244) and 3MRGN/4MRGN (P = 0.036, HR = 2.376) were predictors of poor outcomes in the multivariate analysis. Co-colonization with the mold Aspergillus fumigatus was further associated with mortality risk in the 3MRGN/4MRGN group (P = 0.037, HR = 2.150).
conclusionPatients with cystic fibrosis and MDR colonization (Pseudomonas aeruginosa) are risk candidates for lung transplantation, targeted diagnostics and tailored anti-infective strategies are essential for survival after surgery. MDR colonization as expressed by MRGN may help to identify patients at increased risk to improve the organ allocation process.
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