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[Evaluation of renal function in the course of hypertension in the elderly]

Monika Rynkowska-Kidawa1, Michał Kidawa2, Joanna Kapusta3

  • 1Medical University of Lodz, MCM Jonscher, Łódź, Poland: Department of Internal Diseases and Geriatrics.

Polski Merkuriusz Lekarski : Organ Polskiego Towarzystwa Lekarskiego
|July 31, 2018
PubMed

Insights

This study found that estimated glomerular filtration rate (GFR) in elderly hypertensive patients depends on hypertension duration. Renal artery resistance index showed a relationship with age but not hypertension duration.

Area of Science:

  • Gerontology
  • Nephrology
  • Cardiology

Background:

  • Hypertension is a prevalent chronic condition in Poland, particularly affecting individuals over 65.
  • Accurate diagnosis in older adults involves assessing blood pressure, differentiating aging-related changes, and evaluating organ complications for prognostic insights.

Purpose of the Study:

  • To evaluate renal function in elderly patients with hypertension.
  • To assess the impact of hypertension duration and age on renal function parameters.

Main Methods:

  • The study included 80 elderly patients (75-93 years) diagnosed with arterial hypertension.
  • Patients were stratified by age (over 85 vs. 75-85) and hypertension duration (up to 10 years vs. over 10 years).
  • Glomerular filtration rate (GFR) was estimated using the MDRD formula, and renal resistance index was measured via spectral Doppler.

Main Results:

  • GFR values differed based on age groups.
  • A relationship was observed between the renal artery resistance index and patient age.
  • No significant correlation was found between the renal artery resistance index and the duration of hypertension.

Conclusions:

  • Estimated GFR is influenced by the duration of hypertension in the elderly.
  • Renal artery resistance index is associated with age in hypertensive elderly individuals.
  • The duration of hypertension does not significantly impact the renal artery resistance index.

Keywords:
arterial hypertensionglomerular filtration rateold agerenal resistance index

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