Five adults suffering from nephrotic syndrome were immersed up to the neck in 1.3 m of warm water for four hours. There was a mean weight loss of 2 kg; 1 kg was lost through sweat and 1 kg was lost through urine. Thirty-five millimoles of sodium was excreted in the urine in four hours, 15 times more than on control days. The urine became hypotonic to plasma in the first two hours of immersion. Aldosterone levels did not change on immersion in three patients, but fell from elevated levels in two others. It is concluded that water immersion up to the neck in nephrotic patients warrants further investigation as a therapeutic agent in those cases that are not responding to conventional diuretic therapy.
(Arch Intern Med 1981;141:1275-1278)
Berlyne GM, Brown C, Adler A, et al. Water Immersion in Nephrotic Syndrome. Arch Intern Med. 1981;141(10):1275–1278. doi:10.1001/archinte.1981.00340100031012
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