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January 1970

The Short-Term Effect of Furosemide on Electrolyte and Water Excretion in Patients With Severe Renal Disease

Author Affiliations

Durham, NC

From the Division of Nephrology, Department of Medicine, Duke University Medical Center, Durham, NC. Dr. Robinson is also with the North Carolina Heart Association, and Dr. Clapp is with the American Heart Association.

Arch Intern Med. 1970;125(1):69-74. doi:10.1001/archinte.1970.00310010071005

The short-term effect of intravenously given furosemide on electrolyte and water excretion was evaluated in 11 adults with severe renal insufficiency and edema. Furosemide administration induced an increase in urine flow and sodium excretion in each patient, but the observed diureses were sufficient to afford practical benefit only in patients whose glomerular filtration rates were 5 ml/min or greater. The magnitude of the observed diuresis appeared directly related to the degree of filtration rate reduction, but an obvious relationship between filtration rate and fractional changes of water and electrolyte excretion was not observed. An increase in urine potassium excretion usually occurred and appeared to be a function of increased urine flow rather than increased concentration of potassium in urine.

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