PMID: 7537541Jan 1, 1995Paper

Complement in serum and dialysate in children on continuous ambulatory peritoneal dialysis

Peritoneal Dialysis International : Journal of the International Society for Peritoneal Dialysis
R E ReddingiusL A Monnens

Abstract

During continuous ambulatory peritoneal dialysis (CAPD), activation of complement in the peritoneal cavity may theoretically occur, with inappropriately high or low levels of certain complement factors in dialysate as a consequence. In a group of children on CAPD, it was tested whether levels of a number of complement factors in dialysate were in the range that was predicted on the basis of their molecular weight. Serum and dialysate levels of C1q, C3, C4, C3d, B, D, and P were measured after a night dwell in children on CAPD. Simultaneously, four non-complement proteins (beta 2-microglobulin, albumin, IgG, and alpha 2-macroglobulin) were also measured in dialysate and serum. Assuming a linear relationship between the log base 10 of the dialysate/serum ratio of these non-complement proteins and the log base 10 of their molecular weight, the expected ratios of all complement factors were determined. The differences between actual and predicted ratios were tested using a modified t-test, taking into account the inaccuracy of the estimate. University hospital. A group of 14 children on CAPD, with a median age of 7.8 years (range 2.1 - 13.2). These children had been on CAPD for a median period of 42.4 months (range 0.4 - 89.1). The...Continue Reading

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