Higher Peritoneal Protein Clearance as a Risk Factor for Cardiovascular Disease in Peritoneal Dialysis PatientReportar como inadecuado




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Background and Aims

Although a number of studies have been published on peritoneal protein clearance PrCl and its association with patient outcomes, the results have been inconsistent. Therefore, the intent of this study was to evaluate the impact of PrCl on cardiovascular disease CVD and mortality in peritoneal dialysis PD patients.

Methods

This prospective observational study included a total of 540 incident patients who started PD at NHIC Ilsan Hospital, Korea from January 2000 to December 2009. Two different types of analyses such as intention-to-treat and as-treated were used.

Results

Correlation analyses revealed that PrCl was positively correlated with diabetes, pulse pressure, C–reactive protein CRP level, dialysate-plasma creatinine ratio D-P cr at 4 h, and peritoneal Kt-V urea. PrCl was inversely correlated with serum albumin and triglyceride levels. On multivariate analysis, serum albumin, pulse pressure, D-P cr at 4 h, and peritoneal Kt-V urea were found to be independent determinants of PrCl. A total of 129 23.9% patients in intention-to-treat analysis and 117 21.7% patients in as-treated analysis developed new cardiovascular events. Time to occurrence of cardiovascular event was significantly longer in patients with a value of PrCl below the median 89.4 ml-day. In multivariate analysis, older age, presence of diabetes or previous CVD, and higher PrCl were independent predictors of cardiovascular events. Patients above the median value of PrCl had a significantly lower rate of survival than those below the median. However, a higher PrCl was not associated with increased mortality in multivariate Cox analysis.

Conclusions

A higher PrCl is a risk for occurrence of cardiovascular event, but not mortality in PD patients. Large randomized clinical trials are warranted to confirm this finding.



Autor: Tae Ik Chang, Ea Wha Kang, Yong Kyu Lee, Sug Kyun Shin

Fuente: http://plos.srce.hr/



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