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https://hdl.handle.net/2440/59807
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Type: | Journal article |
Title: | Superior survival of high transporters treated with automated versus continuous ambulatory peritoneal dialysis |
Author: | Johnson, D. Hawley, C. McDonald, S. Brown, F. Rosman, J. Wiggins, K. Bannister, K. Badve, S. |
Citation: | Nephrology Dialysis Transplantation, 2010; 25(6):1973-1979 |
Publisher: | Oxford Univ Press |
Issue Date: | 2010 |
ISSN: | 0931-0509 1460-2385 |
Statement of Responsibility: | David W. Johnson, Carmel M. Hawley, Stephen P. McDonald, Fiona G. Brown, Johan B. Rosman, Kathryn J. Wiggins, Kym M. Bannister and Sunil V. Badve |
Abstract: | Background. Automated peritoneal dialysis (APD) is widely recommended for the management of high transporters by the International Society of Peritoneal Dialysis (ISPD), although there have been no adequate studies to date comparing the outcomes of APD and continuous ambulatory peritoneal dialysis (CAPD) in this high risk group. Methods. The relative impact of APD versus CAPD on patient and technique survival rates was examined by both intention-to-treat (PD modality at Day 90) and ‘as-treated’ time-varying Cox proportional hazards model analyses in all patients who started PD in Australia or New Zealand between 1 April 1999 and 31 March 2004 and who had baseline peritoneal equilibration tests confirming the presence of high peritoneal transport status. Results. During the study period, 4128 patients commenced PD. Of these, 628 patients were high transporters on PD at Day 90 (486 on APD and 142 on CAPD). Compared to high transporters treated with CAPD, APD-treated high transporters were more likely to be younger and Caucasian, and less likely to be diabetic. On multivariate intention-to-treat analysis, APD treatment was associated with superior survival [adjusted hazard ratio (HR) 0.56, 95% confidence interval (CI) 0.35–0.87] and comparable death-censored technique survival (HR 0.88, 95% CI 0.64–1.21). Superior survival of high transporters treated with APD versus CAPD was also confirmed in supplemental as-treated analysis (HR 0.72, 95% CI 0.54–0.96), matched case-control analysis (HR 0.60, 95% CI 0.36–0.96) and subgroup analysis of high transporters treated entirely with APD versus those treated entirely with CAPD (HR 0.29, 95% CI 0.14–0.60). There were no statistically significant differences in patient survival or death-censored technique survival between APD and CAPD for any other transport group, except for low transporters, who experienced a higher mortality rate on APD compared with CAPD (HR 2.19, 95% CI 1.02–4.70). Conclusions. APD treatment is associated with a significant survival advantage in high transporters compared with CAPD. However, APD treatment is associated with inferior survival in low transporters |
Keywords: | automated peritoneal dialysis continuous ambulatory peritoneal dialysis outcomes patient survival peritoneal equilibration test |
Rights: | © The Author 2010. Published by Oxford University Press on behalf of ERA-EDTA. |
DOI: | 10.1093/ndt/gfp780 |
Published version: | http://dx.doi.org/10.1093/ndt/gfp780 |
Appears in Collections: | Aurora harvest 5 Public Health publications |
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