Prospective study of progression of kidney dysfunction in community-dwelling older adults

Ricardo Sesso, Fernando Prado, Belinda Vicioso, Luiz R. Ramos

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

Aim: Few prospective studies have assessed renal dysfunction in older persons. We sought to define kidney dysfunction among a community-based cohort of elderly subjects and to determine the factors for its progression. Mehtods: The Epidemiologia do Idoso (EPIDOSO) Study is a prospective study of individuals ≥65 years old (mean 72.6 ± 0.3), living in the community in the city of São Paulo. The creatinine clearance (CrCl) of 269 individuals of this cohort was estimated during 8 years of follow-up. The rate of decline in CrCl was calculated using linear regression analysis and dividing the group into tertiles of CrCl change. Results: Overall mean change in CrCl was -2.37 ± 0.23 mL/min per year. Mean age increased with the greatest degree of decline in renal function (71.1 ± 0.59, 72.5 ± 0.54 and 74.3 ± 0.58, for the first, second and third CrCl change tertiles, respectively, P < 0.01). A higher value of baseline CrCl was associated with progressive decline in CrCl (P < 0.01). Diastolic BP was greater in the second versus the first estimated glomerular filtration rate tertile (83 ± 1 vs 80 ± 1 mmHg, P < 0.05). High-density lipoprotein (HDL) cholesterol was inversely associated with CrCl decline (P < 0.05). Conclusion: Progression of kidney dysfunction occurs in most community-dwelling elderly. Strategies aimed at slowing the progression should be considered for possible risk factors of older age, baseline CrCl, BP and HDL.

Original languageEnglish (US)
Pages (from-to)99-103
Number of pages5
JournalNephrology
Volume13
Issue number2
DOIs
StatePublished - Mar 2008

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Independent Living
Creatinine
Prospective Studies
Kidney
HDL Lipoproteins
Glomerular Filtration Rate
HDL Cholesterol
Linear Models
Regression Analysis

Keywords

  • Chronic kidney disease
  • Creatinine clearance
  • Elderly
  • High-density lipoprotein

ASJC Scopus subject areas

  • Nephrology

Cite this

Prospective study of progression of kidney dysfunction in community-dwelling older adults. / Sesso, Ricardo; Prado, Fernando; Vicioso, Belinda; Ramos, Luiz R.

In: Nephrology, Vol. 13, No. 2, 03.2008, p. 99-103.

Research output: Contribution to journalArticle

Sesso, Ricardo ; Prado, Fernando ; Vicioso, Belinda ; Ramos, Luiz R. / Prospective study of progression of kidney dysfunction in community-dwelling older adults. In: Nephrology. 2008 ; Vol. 13, No. 2. pp. 99-103.
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