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October 17, 1966

Peritoneal Dialysis Removes Vitamin D

JAMA. 1966;198(3):47. doi:10.1001/jama.1966.03110160021011

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A group of investigators at the National Heart Institute, Bethesda, Md, have demonstrated, for the first time, that vitamin D can be removed from the body by peritoneal dialysis.

The technique may thus prove to be effective in treatment of patients who absorb an excess of the vitamin during vitamin D therapy (hypervitaminosis D).

Significant amounts of vitamin D as well as calcium were removed during two peritoneal dialyses in a 54-year-old woman with hypercalcemia secondary to hypervitaminosis D, R. I. Henkin, MD, told the Third International Congress of Nephrology.

The removal of calcium from extracellular fluid by peritoneal dialysis has been previously demonstrated, and treatment of hypercal