OBJECTIVE: To evaluate the ability of tidal peritoneal dialysis to decrease the pain and frequency of hemoperitoneum associated with peritoneal calcification. DESIGN: Prospective case evaluation. SETTING: The Home Peritoneal Dialysis Unit, Children's Mercy Hospital. PATIENT: Seven-year old male with diffuse peritoneal calcifications, daily abdominal pain, and recurrent hemoperitoneum. INTERVENTION: Tidal peritoneal dialysis was conducted with an initial fill volume of 45 mL/kg and a tidal inflow volume of 23 mL/kg. The patient also maintained a daytime pass volume of 45 mL/kg. Duration of treatment was 7 months. RESULTS: The patient's abdominal pain resolved 2 days after initiating tidal peritoneal dialysis. No episodes of hemoperitoneum or abdominal pain have occurred for 7 months. CONCLUSION: Tidal peritoneal dialysis is a unique approach to the achievement of symptomatic relief in the patient with peritoneal calcification.

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