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Perit Dial Int 30(2): 233-239
2010
© 2010 International Society for Peritoneal Dialysis
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pdi.2008.00278v1
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Pediatric

OUTCOME AND RISK FACTORS FOR MORTALITY IN PEDIATRIC PERITONEAL DIALYSIS

Hsin-Lin Tsai1,3, Ling-Yu Yang2,3, Tai-Wai Chin1,3, Hsin-Hui Wang2,3, Chin-Su Liu1,3, Chou-Fu Wei1,3 and Jei-Wen Chang2,3

Division of Pediatric Surgery,1 Department of Surgery; Department of Pediatrics,2 Taipei Veterans General Hospital; Institute of Clinical Medicine,3 National Yang Ming University, School of Medicine, Taipei, Taiwan

Correspondence to: J.W. Chang, Department of Pediatrics, Taipei Veterans General Hospital, No. 201, Section 2, Shih-Pai Road, Taipei, 11217 Taiwan. jwchang{at}vghtpe.gov.tw

{diamondsuit} Background: The mortality rate among children requiring renal replacement therapy is higher than in children without end-stage renal disease (ESRD). Some factors, such as hypoalbuminemia, high peritoneal transport rate, age, malnutrition, cardiovascular disease, and recurrent peritonitis, appear to be associated with lower survival in adult peritoneal dialysis patients. Data regarding risk factors of mortality in children with continuous ambulatory peritoneal dialysis (CAPD) are limited. The aims of this study were to analyze the clinical characteristics of patients and investigate if routinely used laboratory and clinical variables are independent risk factors for mortality in children on CAPD.

{diamondsuit} Methods: We performed a retrospective chart analysis of pediatric ESRD patients on CAPD between January 1997 and September 2008. 29 patients undergoing CAPD for more than 3 months were enrolled. An analysis was performed on clinical and biochemical variables for survivors and nonsurvivors to identify potential risk factors for mortality.

{diamondsuit} Results: Mean age was 12.18 ± 4.57 years. During the follow-up period, 8 patients transferred to hemodialysis and 13 patients received deceased donor renal transplantation. By the end of the study, 5 patients had died. Actuarial survival rate at 2 and 5 years was 96.55% and 91.19% respectively. The major complication during therapy was peritonitis (1 episode/57.79 patient-months). In the univariate analysis, younger age at initiation of dialysis, presence of comorbid disease, higher peritoneal transport rate, increased protein losses through peritoneal dialysis, high total daily protein loss, hypoalbuminemia, and hypophosphatemia were variables associated with mortality in pediatric CAPD patients. However, in the multivariate analysis, only low serum albumin (b = –2.089, p = 0.006; hazard ratio 8.06, 95% confidence interval 0.028 – 0.546) was independently associated with mortality.

{diamondsuit} Conclusion: Mortality was low in our pediatric patients receiving CAPD. Hypoalbuminemia showed a significant association with death in CAPD patients.

KEY WORDS: Hypoalbuminemia; mortality; outcome; pediatrics; risk factor.

Received 19 December 2008; accepted 1 July 2009.






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