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Fig. 2 | BMC Anesthesiology

Fig. 2

From: Diagnostic accuracy of the peripheral venous pressure variation induced by an alveolar recruitment maneuver to predict fluid responsiveness during high-risk abdominal surgery

Fig. 2

Receiver operating curves generated for changes in stroke volume index (SVI) induced by alveolar recruitment maneuver (ARM), changes in peripheral venous pressure induced by ARM, showing the ability to predict the effect of a volume expansion. Notes: alveolar recruitment maneuver consisted of applying a continuous positive airway pressure of 30 cm H2O for 30 s. The grey zone shows is delimited by two cut off values corresponding to a sensitivity of 90% (upper right corner) and a specificity of 90% (lower left corner). Values lying in the grey zone express a degree of uncertainty wherein the physician should pursue a diagnosis using additional tools. Legend: AUC: Area Under the Curve

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