Journal
INTERNATIONAL JOURNAL OF CARDIOLOGY
Volume 234, Issue -, Pages 64-68Publisher
ELSEVIER IRELAND LTD
DOI: 10.1016/j.ijcard.2017.02.012
Keywords
FEV1; FVC; Cardiac function; Biomarkers; Mortality; Population-based study
Categories
Funding
- government of Rhineland-Palatinate [AZ 961-386261/733]
- Johannes Gutenberg-University of Mainz
- Boehringer Ingelheim
- PHILIPS Medical Systems
- Federal Ministry of Education and Research [BMBF 01EO1503, BMBF 01ZX1408A]
- European Research Council (ERC) under the European Union's Horizon 2020 research and innovation programme [648131]
- Deutsche Forschungsgemeinschaft (German Research Foundation) [SCHN 1149/3-1]
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Background: Lung function has previously been related to increased mortality. Whether pulmonary impairment is associated with an increased mortality independent of cardiac dysfunction remains unclear. Methods: In 15010 individuals from the general population (age range 35-74 years, 51% men) in the Gutenberg Health Study we performed spirometry and transthoracic echocardiography. N-terminal pro-B-type natriuretic peptide (Nt-proBNP) and high-sensitive troponin I (hsTnI) were measured in all individuals. 1819 individuals with pulmonary diseases were excluded from further analysis. Results: The median for forced expiratory volume in 1 s (FEV1) was 94.2% and for forced vital capacity (FVC) 94.2% as a percentage of their predicted values. The median FEV1/FVC ratio was 79.1%. In 13191 subjects, 335 deaths were verified from death certificate over a median follow-up of 5.5 years. Multivariable-adjusted Cox regression analyses for common cardiovascular risk factors and heart failure revealed that an increase of one standard deviation (SD) of percent predicted (%pred.) FEV1 was associated with a 22% risk reduction (hazard ratio [HR] per SD 0.78 [95% confidence interval (CI): 0.70, 0.86]). The association remained statistically significant after additional adjustment for diastolic dysfunction, Nt-proBNP or hsTnI. Comparable results were seen for %pred. FVC. After adjustment, no association of FEV1/FVC ratio with mortality could be shown. No significant interaction by heart failure was observed. Conclusions: The lung function parameters FEV1 and FVC, but not FEV1/FVC ratio, were related to all-cause mortality in individuals from the general population independent of cardiac function. (C) 2017 Elsevier B.V. All rights reserved.
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