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Diuretics and hyperuricemia in the elderly.

J Takala1, S Anttila, C G Gref

  • 1Department of Public Health, University of Tampere, Finland.

Scandinavian Journal of Rheumatology
|January 1, 1988
PubMed
Summary

Elevated serum uric acid (SUA) levels and hyperuricemia are more prevalent in older adults compared to a decade ago. Diuretic use is strongly linked to higher SUA concentrations and hyperuricemia.

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Area of Science:

  • Gerontology
  • Clinical Chemistry
  • Epidemiology

Background:

  • Serum uric acid (SUA) is a key metabolic byproduct.
  • Hyperuricemia, or elevated SUA, is associated with various health conditions.
  • Previous studies indicate varying prevalence rates of hyperuricemia in aging populations.

Purpose of the Study:

  • To investigate current serum uric acid levels in an elderly rural population.
  • To compare current hyperuricemia prevalence with historical data.
  • To identify factors associated with elevated SUA levels in this demographic.

Main Methods:

  • Cross-sectional study of 1012 individuals (420 males, 592 females) aged 65+.
  • Measurement of serum uric acid concentrations.
  • Statistical analysis to identify associations with demographic, clinical, and medication data.

Main Results:

  • Mean SUA was 0.313 mmol/l in males and 0.316 mmol/l in females.
  • Hyperuricemia (SUA ≥ 0.42 mmol/l) affected 11.2% of males and 10.1% of females.
  • Individuals using diuretics had significantly higher SUA (0.361 mmol/l) vs. non-users (0.281 mmol/l).
  • Diuretic use was prevalent in 82% of hyperuricemic individuals.
  • Serum creatinine, BMI, body weight, and hematocrit were also associated with hyperuricemia.

Conclusions:

  • Hyperuricemia prevalence appears to have increased in this elderly rural population compared to 11 years prior.
  • Diuretic use is a major factor contributing to elevated SUA levels and hyperuricemia.
  • Serum creatinine, BMI, body weight, and hematocrit are significant correlates of hyperuricemia in older adults.

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