Comparison of Renal Hemodynamics in Black and White Patients with Essential Hypertension

  • E. D. Frohlich
  • F. H. Messerli
  • F. G. Dunn
Part of the Developments in Cardiovascular Medicine book series (DICM, volume 35)


Systemic, splanchnic, and renal hemodynamic data, determined in 60 male and female, black and white, untreated and uncomplicated essential hypertensive patients, confirmed our previous systemic hemodynamic findings. When black and white patients were matched for age, sex, and mean arterial pressure, cardiac index and total peripheral resistance were similar at all levels of pressure. This suggests that hypertensive vascular disease is no more severe in blacks. This conclusion could be confirmed further by our splanchnic hemodynamic findings. However, in contrast to these findings, renal blood flow was less and renal vascular resistance was higher at any mean arterial pressure (or total peripheral resistance) level in blacks—especially in men. These findings tend to support those reports suggesting that hypertensive disease—in particular, renal morbidity—is more severe in the black.


Essential Hypertension Renal Blood Flow Black Patient White Patient Total Peripheral Resistance 
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Copyright information

© Martinus Nijhoff Publishing, Boston/The Hague/Dordrecht/Lancaster 1984

Authors and Affiliations

  • E. D. Frohlich
  • F. H. Messerli
  • F. G. Dunn

There are no affiliations available

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