Clinical Outcomes Associated with Burkholderia cepacia Complex Infection in Patients with Cystic Fibrosis.

Annals of the American Thoracic Society
Ranjani SomayajiValerie Waters

Abstract

Rationale: Little is known in contemporary cystic fibrosis (CF) cohorts about the outcomes after new Burkholderia species infections.Objectives: To evaluate the changing epidemiology and clinical outcomes associated with Burkholderia species infections in persons with CF.Methods: A cohort study of children and adults with CF was conducted from 1997 to 2018 in Toronto, Canada. Patients were characterized as those with no history of Burkholderia species infection and as those who were culture-positive for Burkholderia species for the first time in this time frame and were categorized by species (B. gladioli, B. cenocepacia, B. multivorans, or other) and strain (B. cenocepacia ET-12). Cox models were used to estimate the risk of death or transplantation. Mixed-effects models were used to assess the impact of Burkholderia species on odds of pulmonary exacerbations and effect on lung function (percentage predicted forced expiratory volume in 1 second [FEV1]).Results: A total of 1,196 patients were followed over 20 years; 88 patients (7.4%) had one or more culture-positive for Burkholderia species. Patients with ET-12 infection had a median time to death of 1.95 years compared with 5.30-6.72 years for those with other Burkholderia in...Continue Reading

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Citations

May 25, 2021·Seminars in Respiratory and Critical Care Medicine·Alicia B Mitchell, Allan R Glanville
Aug 8, 2021·International Journal of Molecular Sciences·Fernando Sanz-GarcíaSara Hernando-Amado

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