A survey of blood pressure distribution in Pygmy and Bantu populations in Cameroon

Hypertension
H KestelootV Seghers

Abstract

A blood pressure survey was performed in isolated Pygmy communities and Bantu population samples living either in close relationship with the Pygmies or in separate areas within the same region. The Pygmies are still living as hunter-gatherers, whereas the Bantus rely on agriculture for food provision. Mean blood pressures in Pygmies were 130/85 mm Hg in males and 126/80 mm Hg in females and in Bantus were 137/87 mm Hg in males and 136/84 mm Hg in females. In spot urine the mean urinary sodium concentration was higher in Bantus than Pygmies (86 versus 37 mmol/L in males; 95 versus 56 mmol/L in females). In the total population urinary potassium concentration was very high (150 mmol/L), calcium concentration very low (0.4 mmol/L), and urea concentration low (6.9 g/L). After adjustment for age, height, weight, and sex, no racial differences in blood pressure were present. Blood pressure increased with age but body mass index did not. Diastolic pressure correlated significantly but negatively with urinary sodium in multiple regression analysis. Our study demonstrates that blood pressure increases with age in hunter-gatherer populations on a low to moderately high sodium diet in the presence of a low urinary excretion of calcium co...Continue Reading

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Citations

Jan 3, 2013·Biological Trace Element Research·Ewa Rębacz-MaronDariusz Chlubek
Oct 17, 2003·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Susan J Fairweather-Tait
Apr 18, 2014·American Journal of Physical Anthropology·Melissa J Remis, Carolyn A Jost Robinson
Jan 31, 2002·Preventive Medicine·S Boyd EatonLoren Cordain
Sep 20, 2012·European Journal of Preventive Cardiology·Setor Kunutsor, John Powles
Oct 17, 2017·Journal of Hypertension·William NgatchouMarc Leeman
Nov 11, 2018·Proceedings of the National Academy of Sciences of the United States of America·Christina M BergeyGeorge H Perry

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