Dynamic parameters like pulse pressure variation have been shown to be accurate predictors of fluid responsiveness. Hemodynamic optimization based on fluid management and stroke volume optimization have been shown to improve patient outcomes, especially for moderate and high risk abdominal surgical patients. A novel closed-loop fluid administration system based on multi-parameter hemodynamic monitoring have been described recently. This prospective, randomized, surgeon and patient blinded study aims at comparing the cardiac output provided by either this closed-loop system or the anesthesiologist team in high-rish surgical patient elected for abdominal surgery at Pierre Bénite University Hospital, Hospices Civils of Lyon, France. Primary endpoint is the mean indexed cardiac output during surgery per group. We will also compare hemodynamic parameter (cardiac output, stroke volume, blood pressure heart rate…) and patient's outcomes (morbidity, mortality, transfusion rate, hospital length of stay) between groups
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
SUPPORTIVE_CARE
Masking
DOUBLE
Enrollment
46
Connection of the system to the patient under supervision of the anesthesiologist team during all the anesthesia procedure, respective of the applicability criteria for the fluid responsiveness detection.
The anesthesiologist team will manage the fluid administration during all the anesthesia procedure.
Centre Hospitalier Lyon Sud, Hospices Civils de Lyon
Pierre-Bénite, France
Mean indexed cardiac output
Time frame: J1 to J12 (Within the surgical hospital length of stay)
per operative hemodynamic parameter
Time frame: J1 (per operative time)
Per operative fluid administration
Time frame: J1 (per operative)
Hospital length of stay
Within the surgical hospital length of stay
Time frame: J1 to J12
Occurrence of a adverse event after surgery
Within the surgical hospital length of stay
Time frame: an expected average of 12 days
Occurrence of a death whatever the cause
Within the surgical hospital length of stay
Time frame: an expected average of 12 days
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