Parotid-Fluid Urea Nitrogen for the Monitoring of Hemodialysis

Abstract

CONTINUED interest and advances in peritoneal dialysis and hemodialysis have accompanied the increasing emphasis on early and frequent dialyses in acute renal failure, the exploratory programs in chronic dialysis and the use of dialysis as an ancillary measure in renal transplantation. Although the importance of urea as a primary "uremic toxin" continues to be debated there is general agreement concerning the correlation of blood urea level with clinical fluctuations in the azotemic patient and its value as a monitoring device. Measurement of parotid-fluid urea nitrogen as a reflection of serum urea nitrogen has been found to be a simple and . . .