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Background: Due to its increasing prevalence and suboptimal treatment, non-tuberculous mycobacterial (NTM) infection is an emerging problem in patients with cystic fibrosis (CF). Detailed description of regional NTM prevalence and distribution, and identification of predictors of NTM acquisition in CF are essential to optimise treatment and surveillance guidelines.

Methods: A retrospective, multi-center analysis was conducted between the years 2020 and 2022 on data from 232 adult patients registered in the Hungarian CF Registry in 2022.

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Reconsidering the Diagnosis: Abnormal Sweat Chloride Tests in Non-CF Bronchiectasis.

Pediatr Pulmonol

January 2025

Department of Internal Medicine, Division of Pulmonary and Critical Care, University of Virginia, Charlottesville, Virginia, USA.

Introduction: While the diagnosis of cystic fibrosis (CF) is often straightforward and reliant on correlation between genetic testing and clinical signs and symptoms, there is a subset where the distinction is not nearly as clearcut. This has previously been reported in patients identified through newborn screening but not meeting full CF diagnostic criteria, earning the label of CF Screen Positive, Inconclusive Diagnosis (CFSPID) instead. A homologous diagnostic category in adults is named CF Transmembrane Conductance Regulator-Related Disorder (CFTR-RD).

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Polymicrobial interactions influence co-existence and biofilm forming capabilities.

Front Microbiol

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Division of Infectious Diseases, Department of Pediatrics, Children's Hospital Los Angeles, Los Angeles, CA, United States.

The lungs of patients with cystic fibrosis (CF) are vulnerable to persistent polymicrobial colonization by bacterial pathogens including , and the non-tuberculous mycobacterium (NTM) . The polymicrobial milieu within the CF lung impacts individual species fitness, influences biofilm-forming capabilities, pathogenicity, production of virulence factors and even antimicrobial responses, all potentially compromising therapeutic success. Interaction studies among these CF pathogens are very limited, especially studies on the influences of and on co-existence and virulence.

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Non-tuberculous mycobacteria (NTM) are opportunistic pathogens ubiquitous in the environment. is a relatively new pathogen associated with underlying lung chronic pathologies, accounting for most of the pulmonary infections linked to the rapidly growing mycobacteria group. This includes chronic obstructive pulmonary disease, bronchiectasis, or cystic fibrosis.

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Unlabelled: is an emerging opportunistic pathogen affecting patients with chronic lung diseases, primarily cystic fibrosis (CF), or those under immunosuppression. Hence, investigations into the epidemiology and transmission of and accurate antibiotic susceptibility data are essential for the effective treatment of infections caused by this pathogen. This retrospective nationwide study included all clinical isolates ( = 59) from 29 patients diagnosed in the Czech Republic and Slovakia between 2018 and 2023.

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