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S S Narsipur
BACKGROUND: Fiber bundle volume (FBV) is an important determinant of dialyzer re-use efficiency. This measurement is performed after the dialyzer has been pressure cleaned and may underestimate the degree of clotted fibers a patient actually encounters while on dialysis. METHODS: Real-time online measure of FBV has been validated using an ultrasound dilution method and the Transonic HD01 monitor (Ithaca, NY, USA). Thirty-one stable chronic hemodialysis patients were studied during the first hour and then during the last 30 minutes of a typical dialysis session...
February 2004: Clinical Nephrology
C Charytan, B Gupta, N Meindel, B Spinowitz
We describe a new methodology, fractional direct dialysis quantification (FDDQ) utilizing the Fresinius Dialysate Sampling Module (DSM), for quantitating total solute removal during hemodialysis (HD). Our data demonstrate that this technique and Direct Dialysis Quantification (DDQ) yield virtually identical results. FDDQ, however, obviates the practical obstacles that have limited the applicability of DDQ. We discuss the theoretical and practical advantages of this methodology, as compared to urea kinetic modeling (UKM) with Kt/V, for prescribing and monitoring dialysis therapy...
December 1996: Kidney International
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