The objective of this observational study is to examine the impact of augmented arterial pressure during the hemostatic phase of elective supratentorial neurosurgery. The primary inquiries it seeks to address are as follows: 1. Does an increase in systolic arterial pressure prompt a hemostatic maneuver by the neurosurgeon, and does the concomitant mean arterial pressure value influence the frequency of such interventions? 2. How often do postoperative intracranial hemorrhages occur, and how severe are they in relation to the achieved mean arterial pressure value? Participants will be enrolled during the preoperative evaluation, where their arterial pressure values, medical histories, and medication statuses will be recorded. Throughout the induction and maintenance of anesthesia, we will monitor their blood pressure values and document any instances of hypotension or hypertension. During the hemostatic phase, we will elevate the arterial pressure using noradrenaline by up to 10 mmHg above the recorded pressure measured at the inpatient clinic. Subsequently, we will inquire whether the neurosurgeon had to employ any additional hemostatic maneuvers following the increase in arterial pressure. The arterial pressure values will be recorded at the end of the surgery, and the first postoperative CT scan will be examined to identify any cases of intracranial hemorrhage.
Age range
18 Years
Sex
ALL
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Frequency of need for hemostatic maneuver in the neurosurgical field
Timeframe: During surgery
Number of postoperative neurosurgical site hemorrhage requiring treatment
Timeframe: In the 24 hours after surgery