This study evaluates if dynamic arterial elastance measured before general anesthesia induction can predict the occurrence of hypotension due to general anesthesia induction.
As general anesthetics may be responsible for vasodilation and cardiac depression, arterial hypotension after induction of general anesthesia is a common event and may contribute to an adverse outcome. Dynamic arterial elastance has been proposed as a functional parameter of arterial tone and studies showed that it was able to predict pressure response to fluid administration in fluid-responsive patients and the amount of mean arterial pressure riduction as a conseguence of noradrenaline dose reduction in critically ill patients.
Study Type
OBSERVATIONAL
Enrollment
65
Azienda ospedaliero Universitaria Ospedali Riuniti Ancona
Ancona, Italy
RECRUITINGBaseline value of Eadyn as predictor of hypotension occurrence due to general anesthesia induction
Dynamic arterial elastance (Eadyn) will be recorded at baseline before induction of general anesthesia. Mean arterial pressure (MAP) will be recorded at baseline and continuously until tracheal intubation. The lowest value of MAP will be considered to define hypotension occurrence.
Time frame: From baseline (before general anesthesia induction) up to 30 minutes.
Correlation between Eadyn and severity of hypotension due to anesthesia induction
To evaluate the correlation between the baseline value of Eadyn and the severity of hypotension when it will occur after induction of general anesthesia
Time frame: From baseline (before general anesthesia induction) up to 30 minutes.
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