ArticleBMC pulmonary medicine2025
Association between gastroesophageal reflux disease and incident bronchiectasis: a nationwide representative population-based study in Korea.
Article in BMC pulmonary medicine, 2025. 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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8 authors.
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Abstract
introductionA close association between gastroesophageal reflux disease (GERD) and chronic respiratory diseases has been suggested. However, limited information is available on whether GERD is associated with an increased incidence of bronchiectasis.
methodsUsing a nationwide representative claims database, we identified adults with GERD (GERD cohort) and propensity score-matched controls without GERD (matched controls) between 2004 and 2012. Both cohorts were followed until the date of bronchiectasis diagnosis, date of death, or December 31, 2015. Cox proportional hazard regression analyses were used to evaluate the risk of bronchiectasis between groups. Using the GERD cohort, we also evaluated factors associated with bronchiectasis.
resultsDuring the median follow-up of 9.5 years (interquartile range: 6.33-12.17 years), the cumulative incidence of bronchiectasis was significantly higher in the GERD cohort than in matched controls (418.59 person-years vs. 291.68 person-years; P < 0.01), with a hazard ratio (HR) of 1.43 (95% confidence interval [CI] = 1.13-1.55). Besides, the risk of bronchiectasis increased as GERD severity increased (HR = 1.24, 95% CI = 1.12-1.38 for mild GERD group and HR = 1.48, 95% CI = 1.35-1.62 for severe GERD group). Among the GERD cohort, factors associated with increased risk bronchiectasis were older age (the highest adjusted hazard ratio [aHR] = 8.46, 95% CI = 4.84-14.80 for individuals aged 70 years or older versus individuals aged 20-29), underweight (aHR = 1.79, 95% CI = 1.35-2.37), chronic obstructive pulmonary disease (aHR = 1.33, 95% CI = 1.06-1.67), asthma (aHR = 1.51, 95% CI = 1.25-1.82), and peptic ulcer disease (aHR = 1.26, 95% CI = 1.09-1.46).
conclusionGERD is associated with an increased risk of bronchiectasis. Older age, underweight, coexisting airway diseases, and peptic ulcer disease were risk factors for developing bronchiectasis in GERD.
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