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Renal surrogates in essential hypertension.

L M Ruilope1, J L Rodicio

  • 1Hypertension Unit, Hospital 12 de Octubre, Madrid, Spain.

Clinical and Experimental Hypertension (New York, N.Y. : 1993)
|July 28, 1999
PubMed
Summary

The kidney plays a dual role in hypertension, contributing to its development and suffering damage. Early signs include renal vasoconstriction and altered kidney function markers, potentially leading to nephrosclerosis.

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Area of Science:

  • Nephrology
  • Cardiovascular Medicine
  • Hypertension Research

Background:

  • The kidney is implicated as both a cause and a victim in the hypertensive process.
  • Renal functional derangements contribute significantly to the development and progression of arterial hypertension.
  • Vascular damage within the kidney, at glomerular and arteriolar levels, leads to progressive nephrosclerosis.

Purpose of the Study:

  • To elucidate the kidney's role in the hypertensive process.
  • To detail the early and progressive functional alterations in the kidney associated with hypertension.
  • To highlight key biomarkers indicative of renal involvement in hypertension.

Main Methods:

  • Observational analysis of renal function in hypertensive individuals.
  • Assessment of common early-stage alterations in essential hypertension.
  • Monitoring of urinary biomarkers and glomerular filtration rate.

Main Results:

  • Renal vasoconstriction is a common early finding in essential hypertension.
  • Associated markers include hyperuricemia and increased urinary excretion of N-acetyl-beta-glucosaminidase.
  • Persistent hypertension can lead to a decline in glomerular filtration rate and potential proteinuria.

Conclusions:

  • The kidney is central to the pathophysiology of hypertension.
  • Early detection of renal functional changes and biomarkers is crucial.
  • Progressive nephrosclerosis results from sustained hypertensive damage to renal vasculature.

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