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Related Experiment Videos

Polycythemia in diabetic patients on CAPD.

F H Bender1, B Piraino

  • 1Department of Medicine, University of Pittsburgh, PA.

Advances in Peritoneal Dialysis. Conference on Peritoneal Dialysis
|January 1, 1991
PubMed
Summary

Polycythemia, or high red blood cell count, is rare in continuous ambulatory peritoneal dialysis (CAPD) patients, particularly diabetics. This condition may increase the risk of serious vascular complications.

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Area of Science:

  • Nephrology
  • Hematology

Background:

  • Continuous ambulatory peritoneal dialysis (CAPD) is a treatment for kidney failure.
  • Polycythemia, characterized by elevated hematocrit (Hct) levels, is an uncommon complication in CAPD patients.

Observation:

  • Over eight years, 3% of CAPD patients (4/123) developed polycythemia (Hct >50% for ≥1 month).
  • All affected patients had insulin-dependent diabetes (8.5% of diabetic CAPD patients).
  • Polycythemia developed after a mean of 21 months on CAPD, often with low ferritin and iron therapy.

Findings:

  • Erythropoietin levels varied in affected patients.
  • Renal ultrasounds did not reveal masses or cysts.
  • Some patients experienced volume depletion.

Implications:

  • Polycythemia in CAPD patients, especially diabetics, is associated with severe vascular complications including gangrene, stroke, and death.
  • Volume depletion and iron therapy may contribute to polycythemia etiology.
  • Monitoring and management of polycythemia in CAPD patients are crucial to prevent adverse outcomes.

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