PMID: 15384786Sep 24, 2004Paper

Evaluation of effluent markers cancer antigen 125, vascular endothelial growth factor, and interleukin-6: relationship with peritoneal transport

Advances in Peritoneal Dialysis
Anabela RodriguesRaymond T Krediet

Abstract

Peritoneal hyperpermeability has been associated with increased levels of effluent vascular endothelial growth factor (VEGF) and interleukin-6 (IL-6). Mesothelial cells can produce various vasoactive substances besides VEGF. A large mesothelial mass may possibly lead to high dialysate VEGF concentrations and may partly explain some cases of peritoneal hyperpermeability during a patient's early months on peritoneal dialysis (PD). Early peritoneal fast transport may therefore not necessarily be associated with systemic inflammation. To investigate the relationship of effluent markers and peritoneal transport, we measured the appearance rates of cancer antigen 125 (CA125), VEGF, and IL-6 in 4-hour effluents from 69 peritoneal equilibration tests (PETs) using 3.86% glucose solution. At the same time, we measured serum VEGF and IL-6. Our analyses included an early group (EG), whose members had been on PD for 4.6 +/- 3.3 months, and a later group (LG), whose members had been on PD for 30 +/- 17 months. In EG, dialysate-to-plasma creatinine at 4 hours (D/P(Cr240)) correlated significantly with effluent CA125/min (r = 0.51, p = 0.006) and VEGF/min (r = 0.57, p = 0.001), but not with serum VEGF or IL-6. The values of CA125/min and VEGF/...Continue Reading

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