Abstract |
Chronic potassium deficiency in one-kidney one- clip hypertensive dogs significantly reduces blood pressure and plasma potassium, with a simultaneous increase in plasma renin activity. Tissue potassium concentration was decreased and tissue sodium concentration was increased in striated muscle and adrenal glands, which may suggest that the sodium-potassium pump was inhibited. In myocardium the sodium concentration was higher but the potassium concentration was not significantly lower than in control hypertensive dogs on normal diets. Arterial cation concentrations in the potassium-deficient group were not significantly different from those in the control group. Tissue norepinephrine concentration was higher in arteries from potassium-deficient animals, significantly so in the mesenteric and femoral arteries. The conclusion is that potassium deficiency may decrease blood pressure in the one-kidney one- clip hypertensive dogs by impairing the release of norepinephrine.
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Authors | R Garcia, G Constantopoulos, J Gutkowska, J Genest |
Journal | Canadian journal of physiology and pharmacology
(Can J Physiol Pharmacol)
Vol. 61
Issue 12
Pg. 1473-7
(Dec 1983)
ISSN: 0008-4212 [Print] Canada |
PMID | 6367910
(Publication Type: Journal Article, Research Support, Non-U.S. Gov't)
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Chemical References |
- Cations
- Renin
- Potassium
- Norepinephrine
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Topics |
- Animals
- Blood Pressure
- Body Water
(metabolism)
- Cations
(metabolism)
- Dogs
- Norepinephrine
(metabolism)
- Potassium
(blood)
- Potassium Deficiency
(physiopathology)
- Renin
(blood)
- Tissue Distribution
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