Abstract
Inadequate control of serum chemistries and extracellular fluid volume may result in patients being changed from continuous ambulatory peritoneal dialysis (CAPD) to another form of dialysis. We report 2 patients in whom apparent inadequacy of CAPD resulted from dialysate dumping. The first patient could not control her fluid intake and required frequent hypertonic exchanges. She felt too full with these exchanges and drained a substantial portion of each exchange 30 to 60 min after infusion. Patient 2 had similar complaints but simply drained a large portion of each fresh bag directly into the drain bag at the start of the fiush-before-fill step. Both patients had improved results from CAPD once they stopped their dialysate dumping. Partial wasting of each exchange because of abdominal discomfort should be added to the causes of inadequate dialysis in CAPD.
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