alexa Changes in hepatic flow induced by continuous positive pressure ventilation in critically ill patients.


Journal of Anesthesia & Clinical Research

Author(s): Bonnet F, Richard C, Glaser P, Lafay M, Guesde R

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Abstract To quantify the influence of continuous positive pressure ventilation (CPPV) on hepatic plasma flow (HPF) in 8 critically ill patients submitted to controlled ventilation, we measured simultaneously HPF by the indocyanine green dye (IGD) clearance and cardiac output (CO) by the thermodilution technique, while increasing PEEP from 0--20 cm H2O. CPPV induced a significant decrease in HPF which was related to the level of PEEP. A linear correlation was documented between HPF and CO; HPF remained a constant fraction of CO during CPPV. These results suggest that the decrease in CO is the most likely mechanism of the fall in HPF during CPPV.
This article was published in Crit Care Med and referenced in Journal of Anesthesia & Clinical Research

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