Rarity of hypertensive stigmata in aging renocortical arteries of Bolivians

R. E. Tracy, Jaime Ríos Dalenz

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Numerous reports have accumulated from around the world throughout the twentieth century of small, remote, self-sufficient populations that do not show a rise of blood pressure with age. Knowing that renocortical arteriosclerosis, a defining feature of hypertensive nephrosclerosis, is a close commensurate of blood pressure, it can be predicted that the elderly members of such populations should fail to show arteriosclerosis of hypertensive degree in the renal cortex. Emigrants from such populations sometimes come to medical attention in places like La Paz, Bolivia. Reported here are findings in autopsy samples of kidney tissue examined in La Paz. These samples have revealed remarkably little renovasculopathy at all ages up to 80 years, a phenomenon that has not previously been observed. Because of these findings, it can now be seen as biologically possible for a whole population of elderly persons to avoid renovasculopathy of hypertensive degree, and by implication, perhaps never experience hypertensive cardiovascular disease.

Original languageEnglish
Pages (from-to)307-314
Number of pages8
JournalVirchows Archiv
Issue number3
StatePublished - Apr 1994


  • Aging
  • Arteriolosclerosis
  • Hypertension
  • Nephrosclerosis


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