PMID: 7009906Mar 1, 1981Paper

Blood pressure regulation in chronic hypotensive and hypertensive patients with chronic renal failure

Japanese Circulation Journal
Y ImaiH Sekino

Abstract

We studied the regulatory mechanism of blood pressure in uremic patients (UP) treated with long-term hemodialysis. The cardiac index (CI) was higher in UP than in normal control (NC). Total peripheral resistance (TPR) in hypertensive (U-Hyper) and normotensive (U-Normo) uremic patients was almost the same as that in NC but TPR in hypotensive uremic patients (U-Hypo) was lower than in NC. High CI in U-Hyper and low TPR in U-Hypo seem to be the causes of their blood pressure abnormalities. All patients had severe anemia. There was a significant positive correlation between hematocrit (Ht) and TPR in UP as well as in NC. The regression line of correlation between Ht (x axis) and TPR (y axis) in UP was shifted to the left from that of NC, suggesting TPR was higher even in U-Hypo than in NC. There was a significant negative correlation between Ht and CI in UP as well as in NC. The regression line of correlation between Ht (x axis) and CI (y axis) in UP was shifted to the left from that in NC, suggesting that CI was lower even in U-Hyper than that in NC. Therefore, higher TPR relative to Ht in U-Hyper and lower CI relative to Ht in U-Hypo may actually be principal causes of their blood pressure abnormalities. Circulating plasma volum...Continue Reading

Citations

Jan 1, 1988·American Journal of Kidney Diseases : the Official Journal of the National Kidney Foundation·R A ShermanR P Cody

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