Serum urate association with hypertension in young adults: Analysis from the Coronary Artery Risk Development in Young Adults cohort

Angelo L. Gaffo, David R. Jacobs, Femke Sijtsma, Cora E. Lewis, Ted R. Mikuls, Kenneth G. Saag

Research output: Contribution to journalArticle

26 Scopus citations

Abstract

Objective To determine if serum urate concentration is associated with development of hypertension in young adults. Methods Retrospective cohort analysis from 4752 participants with available serum urate and without hypertension at baseline from the Coronary Artery Risk Development in Young Adults (CARDIA) study; a mixed race (African-American and White) cohort established in 1985 with 20 years of follow-up data for this analysis. Associations between baseline serum urate concentration and incident hypertension (defined as a blood pressure greater or equal to 140/90 or being on antihypertensive drugs) were investigated in sex-stratified bivariate and multivariable Cox-proportional analyses. Results Mean age (SD) at baseline was 24.8 (3.6) years for men and 24.9 (3.7) years for women. Compared with the referent category, we found a greater hazard of developing hypertension starting at 345 mmol/l (5.8 mg/dl) of serum urate for men and 214 mmol/l (3.6 mg/dl) for women. There was a 25% increase in the hazard of developing hypertension in men (HR1.25 (95% CI 1.15 to 1.36)) per each mg/dl increase in serum urate but no significant increase in women (HR 1.06 (95%CI 0.97 to 1.16)). Conclusions We found a significant independent association between higher serum urate concentrations and the subsequent hazard of incident hypertension, even at concentrations below the conventional hyperuricaemia threshold of 404 mmol/l (6.8 mg/dl).

Original languageEnglish (US)
Pages (from-to)1321-1327
Number of pages7
JournalAnnals of the rheumatic diseases
Volume72
Issue number8
DOIs
StatePublished - Aug 1 2013

ASJC Scopus subject areas

  • Immunology and Allergy
  • Rheumatology
  • Immunology
  • Biochemistry, Genetics and Molecular Biology(all)

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