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Influence of respiratory rate on stroke volume variation in mechanically ventilated patients

par De Backer, Daniel ;Taccone, Fabio ;Holsten, Roland;Ibrahimi, Fayssal;Vincent, Jean Louis
Référence Anesthesiology, 110, 5, page (1092-1097)
Publication Publié, 2009-05

Article révisé par les pairs

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Résumé :

Heart-lung interactions are used to evaluate fluid responsiveness in mechanically ventilated patients, but these indices may be influenced by ventilatory conditions. The authors evaluated the impact of respiratory rate (RR) on indices of fluid responsiveness in mechanically ventilated patients, hypothesizing that pulse pressure variation and respiratory variation in aortic flow would decrease at high RRs.