Rapid decline in lung function in healthy adults predicts incident excess urinary albumin excretion later in life

Sapna Bhatia, Clifford Qualls, Thomas A. Crowell, Alexander Arynchyn, Bharat Thyagarajan, Lewis J. Smith, Ravi Kalhan, David R. Jacobs, Holly Kramer, Daniel Duprez, Bartolome Celli, Akshay Sood*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Introduction Chronic lung disease, often characterised by rapid decline in lung function, is associated with vascular endothelial dysfunction (characterised by moderate to severe excess urinary albumin excretion (eUAE) but their longitudinal relationship is inadequately studied. In a bidirectional longitudinal examination of healthy adults, we analysed the following two hypotheses: (1) rapid decline (ie, highest tertile of lung function decline) predicts eUAE and (2) eUAE predicts rapid decline. Methods We performed a secondary data analysis from 3052 eligible participants from the Coronary Artery Risk Development in Young Adults (CARDIA) study. For analysis 1, the predictor was rapid decline in lung function between the peak value (attained at or before CARDIA visit year 10 or Y10 at a mean age of 35 years) and Y20; and the outcome was incident eUAE at Y20 and/or Y25. For analysis 2, the predictor was eUAE at Y10 and the outcome was rapid decline between Y10 and Y20. Results After adjustment for covariates in analysis 1, rapid decline in FEV1 or FVC between peak and Y20 predicted incident eUAE at Y20 and/or Y25 (OR 1.51 and 1.44, respectively; p≤0.05 for both analyses). In analysis 2, eUAE at Y10 did not predict subsequent rapid decline. Conclusions Healthy adults with rapid decline in lung function are at risk for developing vascular endothelial dysfunction, as assessed by incident eUAE, later in life.

Original languageEnglish (US)
Article numbere000194
JournalBMJ Open Respiratory Research
Volume4
Issue number1
DOIs
StatePublished - Jul 1 2017

ASJC Scopus subject areas

  • Pulmonary and Respiratory Medicine

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