Annales françaises d'anesthèsie et de rèanimation
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Ann Fr Anesth Reanim
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Ann Fr Anesth Reanim · Sep 2013
Randomized Controlled Trial[Influence of pressure- and volume-controlled ventilation on pulse pressure variations: Randomized study.]
Pulse pressure variation (ΔPP) has been demonstrated to be an accurate dynamic parameter to predict fluid responsiveness. However, the impact of different ventilator modes on this parameter is unknown. We compared ΔPP values calculated alternatively during pressure- and volume-controlled ventilation. ⋯ ΔPP values obtained with both ventilator modes were not interchangeable. On average, ΔPP decreases by more than two points in the passage VVC to VPC for a given patient, all others things being equal.