Linear decay of relative blood volume during ultrafiltration predicts hemodynamic instability.

  title={Linear decay of relative blood volume during ultrafiltration predicts hemodynamic instability.},
  author={Sandip Mitra and Paul W Chamney and Roger Greenwood and Ken Farrington},
  journal={American journal of kidney diseases : the official journal of the National Kidney Foundation},
  volume={40 3},
BACKGROUND Relative blood volume (RBV) changes during hemodialysis (HD) are poorly understood. We wish to define characteristics of RBV profiles at different hydration states predictive of hemodynamic instability. METHODS Thirty patients underwent online RBV monitoring during an HD session with intermittent ultrafiltration (UF) pulses administered until the onset of hypotension. The RBV decay constant (tau) was derived from curve fitting. Linear divergence, the net deviation of the RBV curve… CONTINUE READING


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