Open Abdominal Surgery Clinical Trial
Official title:
Prediction Model of the Blood Pressure Response to the Administration of Fluids in Abdominal Surgery Using the Pram Method.
Fluid therapy is considered a first-line therapy in resuscitation protocols for hemodynamically unstable patients. The administration of fluids usually translates into an increase in Cardiac Output. However, not all patients increase mean blood pressure after fluid administration. To determine if fluids the administration improves blood pressure, it is necessary to evaluate the dependence of preload, vasomotor tone, and left ventricular stroke volume. The aim of this study is to confirm the usefulness of dynamic elastance, cardiovascular impedance, cardiac cycle efficiency, and other hemodynamic parameters calculated with the PRAM method as predictors of blood pressure response after fluid administration in open abdominal surgery. This will allow us to make and evaluate a predictive model for the blood pressure response after fluid administration in open abdominal surgery.
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