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Consequences of elevated pulse pressure on renal function.

Albert Mimran1

  • 1Department of Medicine, Centre Hospitalier Universitaire, Montpellier, France. amimran@wanadoo.fr

Journal of Hypertension. Supplement : Official Journal of the International Society of Hypertension
|May 26, 2006
PubMed
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Peripheral pulse pressure (PP) is linked to arterial aging. In older adults (60+), higher PP significantly harms kidney function (GFR), independent of age.

Area of Science:

  • Cardiology
  • Nephrology
  • Gerontology

Background:

  • Peripheral pulse pressure (PP) is a marker of arterial aging and a predictor of cardiovascular events.
  • Arterial stiffening is associated with aging and impacts organ function.
  • Essential hypertension is a common condition affecting cardiovascular and renal health.

Purpose of the Study:

  • To investigate the relationship between renal function and arterial aging in never-treated essential hypertension patients.
  • To assess the influence of peripheral pulse pressure (PP) on glomerular filtration rate (GFR) across different age groups.

Main Methods:

  • Studied 212 never-treated patients with isolated systolic hypertension.
  • Estimated renal hemodynamics (effective renal plasma flow) and function (GFR).

Related Experiment Videos

  • Analyzed the correlation between PP and GFR, adjusting for age and mean arterial pressure.

    • Main Results:

    • An inverse correlation between GFR and PP was observed in patients with isolated systolic hypertension, but it did not persist after age adjustment.
    • A detrimental effect of PP on GFR was evident in patients aged 60 and over, independent of age and mean arterial pressure.
    • No significant influence of PP on GFR was found in patients younger than 60 years.

    Conclusions:

    • Peripheral pulse pressure may negatively impact age-related decline in glomerular filtration rate, particularly in older individuals.
    • Further prospective studies are needed to evaluate antihypertensive agents' effects on PP and GFR decline.