Abstract
Objective To study the effect of controlling fluid ingestion on body fluid bolance in continuous ambulatory peritoneal dialysis(CAPD) patients. Methods Thirty-two CAPD patients were selected,and their salt and water ingestion were restricted for 1～3 months. The weight, mean arterial pressure, peritoneal ultrafiltration and the inferior vena cava diameter (IVCD) of these patients were followed up. Results After restricting salt and water, edema, body weight, mean arterial pressure, dialysate doses, dialysate glucose load, peritoneal ultrafiltration and total fluid removal were significantly decreased(P＜0.05)，whereas the urine volume did not change significantly（P＞0.05）. IVCD and systolic pressure had linear correlation in CAPD patients. Conclusions Restricting salt and water intake may reduce the fluid overload, so edema and blood pressure can be relieved and general condition can be improved in CAPD patients. The IVCD can be used to evaluate fluid status of patients preciseby.
Key words
Controlling volume /
Fluid /
Balance
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