COMPARISON OF FAST PERITONEAL EQUILIBRATION TESTS WITH 1.36-PERCENT AND 3.86-PERCENT DIALYSIS SOLUTIONS

At present dialysis solutions with different glucose concentrations ar e used for the peritoneal equilibration test (PET) and Fast-PET in per itoneal dialysis (PD). We compared the results of two Fast-PETs, using 1.36 and 3.86% solutions sequentially in 30 patients on PD treatment, to obtain information on peritoneal transport (D/P-4 h) and ultrafilt ration rates. Creatinine, phosphorus and urea D/P-4 h in the two Fast- PETs were not statistically different, unlike those for potassium, bet a 2-microglobulin and glucose. The creatinine and phosphorus D/P-4 h v alues in particular proved to be uninfluenced by the different dialysi s solutions. The lack of correlation between the two Fast-PET ultrafil tration values confirmed the difficulty in interpreting this parameter , above all in the case of nonhomologous Fast-PETs. We obtained useful indications for comparing different Fast-PET results, but were unable to reach a decisive conclusion regarding the best of the two dialysis solutions for this test.