期刊
CHEST
卷 163, 期 3, 页码 610-623出版社
ELSEVIER
DOI: 10.1016/j.chest.2022.11.003
关键词
cardiovascular events; epidemiology; lung function; risk; PRISm
Preserved ratio impaired spirometry (PRISm) findings are associated with an increased risk of cardiovascular events, but transitioning from PRISm to normal lung function can reduce this risk.
BACKGROUND: Preserved ratio impaired spirometry (PRISm) findings are a heterogeneous condition characterized by a normal FEV1 to FVC ratio with underlying impairment of pulmonary function. Data relating to the association of baseline and trajectories of PRISm findings with diverse cardiovascular outcomes are sparse.RESEARCH QUESTION: How do baseline and trajectories of PRISm findings impact subsequent cardiovascular events?STUDY DESIGN AND METHODS: In the UK Biobank cohort study, we included participants free of cardiovascular disease (CVD) with spirometry (FEV1 and FVC values) at baseline (2006-2010). Participants with baseline spirometry and follow-up spirometry (2014-2020) were included in the lung function trajectory analysis. Cox proportional hazards multivariate regression was performed to evaluate the outcomes of major adverse cardiovascular events (MACEs), incident myocardial infarction (MI), stroke, heart failure (HF), and CVD mortality in association with lung function.RESULTS: For baseline analysis (329,954 participants), the multivariate adjusted hazard ratios (HRs) for participants had PRISm findings (vs normal spirometry findings) were 1.26 (95% CI, 1.17-1.35) for MACE, 1.12 (95% CI, 1.01-1.25) for MI, 1.88 (95% CI, 1.72-2.05) for HF, 1.26 (95% CI, 1.13-1.40) for stroke, and 1.55 (95% CI, 1.37-1.76) for CVD mortality, respectively. A total of 22,781 participants underwent follow-up spirometry after an average of 8.9 years. Trajectory analysis showed that persistent PRISm findings (HR, 1.96; 95% CI, 1.24-3.09) and airflow obstruction (HR, 1.43; 95% CI, 1.00-2.04) was associated with a higher incidence of MACE vs consistently normal lung function. Compared with persistent PRISm findings, changing from PRISm to normal spirometry findings was associated with a lower incidence of MACE (HR, 0.42; 95% CI, 0.19-0.99).INTERPRETATION: Individuals with baseline or persistent PRISm findings were at a higher risk of diverse cardiovascular outcomes even after adjusting for a wide range of confounding factors. However, individuals who transitioned from PRISm to normal findings showed a similar cardiovascular risk as those with normal lung function.
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