To the Editor.
—Bergman and Felig's1 article in the Archives evaluated methods for self-monitoring of blood glucose by diabetic patients, detailing visual monitoring procedures and meter-reading devices, and the doses of different types of insulin. The important advance these methods represent in diabetes management has great repercussions on the mode of administering insulin, a consideration we missed in the authors' excellent review. We refer to the intraperitoneal administration of insulin and the ease of its dosage by self-monitoring.The treatment of chronic renal failure by continuous ambulatory peritoneal dialysis (CAPD) has given many diabetics access to dialysis, until recently off-limits to these patients because of complications inherent in diabetes mellitus.The best way to control these patients' blood glucose levels is to add insulin to the dialysis fluid introduced into the peritoneal cavity four times a day. This type of dialysis is performed at home, after the patient has