Processed Electroencephalography-guided General Anesthesia and Outcomes in Major Abdominal Surgery
Impact of Reduced Intraoperative Norepinephrine Requirements Via Processed Electroencephalography-Guided General Anesthesia on Patient Outcomes After Major Abdominal Surgeries
Assiut University
162 participants
Feb 1, 2025
INTERVENTIONAL
Conditions
Summary
This study aims to evaluate whether the reduction in the amount of intraoperative norepinephrine required to prevent hypotension, facilitated by processed electroencephalography (pEEG) -guided general anesthesia, will lead to a decrease in postoperative complications, particularly acute kidney injury (AKI).
Eligibility
Inclusion Criteria4
- Patients scheduled for major abdominal surgery lasting more than 2 hours under general anesthesia.
- American Society of Anesthesiologists Physical Status (ASA) score I-III.
- Age range of 18-70 years.
- Both male and female patients.
Exclusion Criteria8
- Emergency surgeries.
- Uncontrolled hypertension (systolic blood pressure \>150 mm Hg) despite medication.
- Recent acute cardiovascular events, including heart failure or acute coronary syndrome.
- Chronic kidney disease with a glomerular filtration rate \<30 ml/min/1.73 m² or requiring renal replacement therapy.
- Severe hepatic failure (ASAT/ALAT \>2N, elevated bilirubin, or PT \<50%).
- Preoperative sepsis or septic shock.
- Pregnancy.
- Patient refusal to participate in the study.
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Interventions
Processed electroencephalography (pEEG) can guide the optimization of anesthesia depth, potentially preventing overly deep anesthesia and, in turn, reducing the incidence of IOH and the need for vasopressors . Depth of anesthesia will be managed based on pEEG monitoring using Entropy with a target range of 40-60.
Depth of anesthesia will be managed based on clinical judgment, informed by clinical perception and vital signs.
Locations(1)
View Full Details on ClinicalTrials.gov
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NCT06753409