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Related Experiment Videos

Factors affecting renal function in 119 985 adults over three years.

K Ishida1, H Ishida, M Narita

  • 1Ibaraki Kidney Foundation, University of Tsukuba, Ibaraki, Japan.

QJM : Monthly Journal of the Association of Physicians
|October 6, 2001
PubMed
Summary

Hypertension and proteinuria significantly accelerate kidney function decline in adults over 40. This decline is more pronounced in males, indicating sex-specific differences in renal health impacts.

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Area of Science:

  • Nephrology
  • Cardiovascular Medicine
  • Gerontology

Background:

  • Serum creatinine (SCr) is a key indicator of renal function.
  • Hypertension is a major risk factor for chronic kidney disease.
  • Proteinuria is associated with kidney damage and disease progression.

Purpose of the Study:

  • To investigate the impact of hypertension and proteinuria on renal function decline in adults aged 40 and older.
  • To assess age-related changes in renal function.
  • To explore sex-specific differences in the effects of hypertension and proteinuria on kidney function.

Main Methods:

  • Longitudinal study of 119,985 adults aged 40+ with 3-year follow-up.
  • Renal function assessed by serum creatinine (SCr) and the slope of reciprocal SCr over time (slope of rSCr).

Related Experiment Videos

  • Analysis of blood pressure, proteinuria, and SCr levels, stratified by hypertension status and medication use.

    • Main Results:

    • Age-related increases in SCr were observed, but the rate of decline (slope of rSCr) remained constant.
    • Hypertensives on medication had higher SCr than other groups.
    • Steeper slopes of rSCr (faster decline) were noted in hypertensive males and females compared to normotensives, particularly in untreated hypertensives among females.
    • Hypertension with proteinuria showed higher SCr and more rapid renal function deterioration, especially in males.

    Conclusions:

    • Hypertension, particularly with proteinuria, is a significant predictor of progressive renal function decline.
    • The rate of age-related renal function decline is constant, but hypertension accelerates this decline.
    • Sex-specific differences exist in the impact of proteinuria and blood pressure on renal function.
    • Early detection and management of hypertension and proteinuria are crucial for preserving kidney function.