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Georg Grubhofer, Andrea M. Lassnigg, Barbara Schneider, Maria A

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Presentation on theme: "Georg Grubhofer, Andrea M. Lassnigg, Barbara Schneider, Maria A"— Presentation transcript:

1 Jugular Venous Bulb Oxygen Saturation Depends on Blood Pressure During Cardiopulmonary Bypass 
Georg Grubhofer, Andrea M. Lassnigg, Barbara Schneider, Maria A. Rajek, Thomas Pernerstorfer, Michael J. Hiesmayr  The Annals of Thoracic Surgery  Volume 65, Issue 3, Pages (March 1998) DOI: /S (97)

2 Fig. 1 The effect of cerebral perfusion pressure (CPP) on jugular venous bulb oxygenation saturation (SjvO2) during hypothermic cardiopulmonary bypass in 17 individual patients. The left side of the graph indicates changes in SjvO2 after an increase in CPP induced by phenylephrine infusion, and the right side shows the relation of SjvO2 and CPP after a decrease in CPP to baseline levels. The Annals of Thoracic Surgery  , DOI: ( /S (97) )

3 Fig. 2 Plot of a continuous recording of measured variables in a typical case. Immediately after phenylephrine infusion, cerebral perfusion pressure (CPP) and jugular venous bulb oxygen saturation (SjvO2) increased. All temperatures remained constant over the 20-minute study period. At the end of the recording, CPP and SjvO2 reached stable levels similar to baseline values, suggesting an insignificant effect of changes in brain temperature on measured SjvO2 values. (CPB = cardiopulmonary bypass; T nas = nasopharyngeal temperature; T vesic = vesical temperature.) The Annals of Thoracic Surgery  , DOI: ( /S (97) )

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