The rate of recurrence after internal urethrotomy a.m. Sachse was studied in a prospective, consecutive, randomized series of 43 patients using short-term (1 day) and long-term (14 days) postoperative catheter treatment. No significant difference was found between the two groups according to voiding interview, flowmetry and retrograde urethrography.
Preservation of pig kidneys for 24 hours at 8°C has been studied using continuous perfusion with cryoprecipitated, microfiltered, oxygenated ACD‐plasma. The perfusion pressure was about 65/30 mmHg and the flow from 1 to 2 ml/g kidney weight/min. Five consecutive experiments were performed. All the animals survived and were followed for three months. Measurements inulin, endogenous creatinine, urea and PAH clearances 10, 31 and 94 days after transplantation showed normal values as compared to a control group of autotransplanted, not long‐term preserved pig kidneys. The only permanent functional damage was a reduced maximal tubular excretion of PAH.
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