A multicenter experience on patient and technique survival in children on chronic dialysis

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Abstract
In this study we compared patient and technique survival of 163 new hemodialysis (HD) patients (age 11.4±3.1 years) and 295 peritoneal dialysis patients (7.7±4.8 years. P< 0.001), treated in 23 dialysis centers participating in the Italian Registry of Pediatric Chronic Peritoneal Dialysis (CPD) during the years 1989–2000. Three HD (1.8%) and 17 CPD (5.8%) patients died; the overall average death rate was 9.8/1,000 patient-years in HD and 29.8/1,000 patient-years in CPD patients. No statistically significant difference in patient survival between CPD and HD was found, while the survival of 102 CPD children younger than 5 years at the start of dialysis was lower (P=0.0001) than that of 193 CPD and 160 HD patients aged 5–15 years. We registered 12 modality failures among HD (7.4%) patients and 44 among CPD (14.9%) patients. The main causes were vascular access failure and patient choice in HD, and infection in CPD patients. Technique survival was lower (P=0.007) in CPD than in HD patients; a statistically significant difference (P=0.01) was also observed between both the 0- to 5- and the 5- to 15-year-old CPD patients and the HD patients aged 5–15 years. Logistic regression analysis confirmed age at initiation of dialysis to be a predictor of patient death (P=0.0001) in the whole patient population, and of technique failure in HD (P=0.006) but not in CPD patients (P=0.16).