Abstract:The pathogenesis of acquired hypoaldosteronism, a frequent cause of hyperkalemia in patients with chronic renal failure, is poorly understood. The present studies were undertaken to investigate the role of dopamine in suppressing mineralocorticoid secretion in this syndrome. We studied the plasma aldosterone response to dopaminergic blockade with metoclopramide in 11 patients with chronic renal failure (5 of whom were hyperkalemic) and 7 normal controls. Following repetitive doses of metoclopramide, the normok… Show more
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