Special Studies from the NIH USA CAPD Registry

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Abstract
Recent studies from the USA CAPD Registry include: cohort studies related to year of training, the impact of center size, the impact of descriptive characteristics of therapy that were not previously available, and identification of additional risk factors that predispose to transfer. The results indicate decreasing rates of peritonitis, exit site tunnel infection, and hospitalization for CAPD complications in the more recently trained patients. Center size has no major impact on outcomes. There may be a reduced risk of peritonitis with the addition of insulin to peritoneal dialysis solutions. Factors such as training year, distance from center, use of a partner, activity status, visual status, exchange volume, exchange frequency and exchange type, may influence outcomes and must be considered in studies of complication rates.