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Erschienen in:
01.11.2014 | Nephrology - Original Paper
Peritoneal transport rate, systemic inflammation, and residual renal function determine peritoneal protein clearance in continuous ambulatory peritoneal dialysis patients
Erschienen in: International Urology and Nephrology | Ausgabe 11/2014
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Background
Peritoneal protein clearance (Pcl) is related to the mortality of patients on continuous ambulatory peritoneal dialysis (CAPD) as well as technique failure. In this prospective observational study, we aimed to investigate factors associated with the level of Pcl.
Methods
We prospectively enrolled 344 prevalent CAPD patients. A standard peritoneal equilibrium test was conducted for each patient. Baseline demographics, biochemistry, and Pcl were recorded.
Results
The average Pcl of the patients was 97.40 ± 54.14 mL/day. Peritoneal transport level, serum high-sensitivity C-reactive protein (hsCRP), and residual glomerular filtration rate (rGFR) were independently related to Pcl. The standard β values were 0.53, 0.17, and −0.10, respectively. Moreover, compared with non-diabetic patients, diabetic patients had a non-significantly higher level of Pcl (104.90 ± 48.65 vs. 96.15 ± 54.97 mL/day; P = 0.06).
Conclusion
Continuous ambulatory peritoneal dialysis patients lose a high amount of protein through the peritoneum each day. The Pcl value is positively related to the level of peritoneal transport and hsCRP and negatively related to the rGFR.