Abstract
Among 55 uremic patients who entered our CAPD program, 7 of them showed a reduction or loss of the ultrafiltration capacity (UF) of the peritoneal membrane (PM). They have been treated with high dose of Furosemide (F) to force residual urine output. Four appeared «responders» to drug administration with a significant increase in urine volume, Na excretion and, within a week period gained their dry body weight (BW).
In the remaining 3 patients drug therapy resulted ineffective, and fluid removal was obtained by hemofiltration (HF).
In both groups we noted an increase in the UF capacity of PM when their dry BW was obtained either by pharmacological or technical approach.
These results support the assumption that the overhydration status of the PM plays a major role in maintaining the UF process.
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