Abstract
Intradialytic hypotension (IDH) is a hemodynamic phenomenon recently associated with decreased blood oxygen saturation (SO2) occurring during haemodialysis (HD) sessions. The ratio between arterial SO2 (SaO2) and central venous SO2 (ScvO2) or Oxygen Extraction Ratio (OER), which represents a roughly estimate of the amount of oxygen claimed by peripheral tissues, could thus be used to measure HD related parenchyma hypoxic stress. Aim of this pilot study was to evaluate the relationship between OER values during dialysis sessions and episodes of IDH.
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