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8 cirrhotics with hyponatremia were given demeclocycline (DMC) 900 mg/day to investigate its effect on renal function, plasma renin activity, aldosterone and urinary excretion of prostaglandin E2 and kallikrein. In 7 patients DMC induced an increase of free water clearance (from -0.36 +/- 0.06 to 0.13 +/- 0.06 ml/min) and serum sodium concentration (from 125.4 +/- 0.09 to 131.1 +/- 1.0 mEq/l, mmol/l). In 5 of these patients DMC also induced a marked reduction of glomerular filtration rate (from 72.2 +/- 6.2 to 31,2 +/- 4.7 ml/min) and renal plasma flow (from 468 +/- 98 to 195 +/- 55 ml/min) which could not be explained on the basis of hypovolemia. In each case this renal impairment was not associated with changes in urinary concentration of beta 2-microglobulin, urinary casts excretion, fresh urine sediment or urine protein content and disappeared after discontinuation of the drug. DMC induced a marked increase in the urinary excretion of prostaglandin E2 (from 0.82 +/- 0.27 to 6.16 +/- 1.91 ng/min) in 6 out of the 7 patients who responded to DMC and a marked reduction in urinary kallikrein (from 16.1 +/- 4.4 to 4.2 +/- 1.6 pkat/min) in the 5 patients who developed renal insufficiency. The serum DMC concentration was greater than 5 micrograms/ml in all patients who responded to DMC, greater than 8 micrograms/ml in all cases who developed renal insufficiency and of 3 micrograms/ml in the case not responding to DMC. (ABSTRACT TRUNCATED AT 250 WORDS)
R M Pérez-Ayuso, and
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May 1995,
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F Rivera, and
J Rodés
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F Rivera, and
J Rodés
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R M Pérez-Ayuso, and
V Arroyo, and
J Camps, and
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M Rodamilans, and
A Rimola, and
J Gaya, and
F Rivera, and
J Rodés
May 1987,
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A Rimola, and
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F Rivera, and
J Rodés
October 1981,
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R M Pérez-Ayuso, and
V Arroyo, and
J Camps, and
W Jiménez, and
M Rodamilans, and
A Rimola, and
J Gaya, and
F Rivera, and
J Rodés
February 1981,
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