Respiratory variations in aortic blood flow predict fluid responsiveness in ventilated children

  • Durand P
  • Chevret L
  • Essouri S
 et al. 
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Abstract

OBJECTIVE: To investigate whether respiratory variations in aortic blood flow velocity (DeltaVpeak ao), systolic arterial pressure (DeltaPS) and pulse pressure (DeltaPP) could accurately predict fluid responsiveness in ventilated children. DESIGN AND SETTING: Prospective study in a 18-bed pediatric intensive care unit. PATIENTS: Twenty-six children [median age 28.5 (16-44) months] with preserved left ventricular (LV) function. INTERVENTION: Standardized volume expansion (VE). MEASUREMENTS AND MAIN RESULTS: Analysis of aortic blood flow by transthoracic pulsed-Doppler allowed LV stroke volume measurement and on-line DeltaVpeak ao calculation. The VE-induced increase in LV stroke volume was >15% in 18 patients (responders) and

Author-supplied keywords

  • Aortic blood flow velocity
  • Cardiac output
  • Children
  • Fluid responsiveness
  • Mechanical ventilation
  • Septic shock

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Authors

  • Philippe Durand

  • Laurent Chevret

  • Sandrine Essouri

  • Vincent Haas

  • Denis Devictor

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