To the Editor. —A recent article in theArchivesentitled "Prevention and Treatment of Diabetic Complications" (1980; 140:691-696) was a concise summary of the unpleasant facts of life for diabetics and the frustrations patients and physicians have when dealing with these inexorable problems. One important contribution to therapy was not mentioned, and it deserves consideration although our data are somewhat preliminary. This is the role of peritoneal dialysis, especially continuous ambulatory peritoneal dialysis (CAPD) in the maintenance therapy of diabetics with endstage renal disease. Continuous ambulatory peritoneal dialysis was first described in 1976. 1 Since that time, many authors have reported their experiences. 2-8 An early fear was that diabetics might have a disproportionate increase in peritonitis compared with other patients. Studies on intermittent peritoneal dialysis showed this not to be true. 9-12 In fact, morbidity seemed less in diabetics receiving peritoneal dialysis 12 (with improvement in retinopathy, neuropathy, and