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Pulse Pressure Variation Measured During Valsalva Maneuver to Predict Fluid Responsiveness Under Open-chest Condition
Pulse pressure variation (PPV) is a well-known dynamic preload indicator to predict fluid responsiveness. However, its usefulness in open-chest conditions has been equivocal. The investigators evaluated whether PPV measured during Valsalva maneuver can predict fluid responsiveness after sternotomy.
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