This study aims to evaluate the efficacy of ultrasound-guided external oblique and rectus abdominis plane block on the neuroendocrine stress response and postoperative analgesia in adults undergoing umbilical hernia repair.
Aged from 21 to 65 years.
Both sexes.
American Society of Anesthesiologists (ASA) Physical status I and Ⅱ.
Schedule for elective umbilical hernia surgery under general anesthesia.
ASA Ⅲ or Ⅳ.
Patients with metabolic abnormalities, e.g., diabetes mellitus.
Patients receiving corticosteroids.
History of allergies to local anesthetics.
Parallel
General anesthesia
Other interventionPatients will receive general anesthesia only.
External oblique and rectus abdominis plane (EXORA) block
Other interventionPatients will receive general anesthesia and an external oblique and rectus abdominis plane (EXORA) block with 0.25% bupivacaine.
Neuroendocrine stress response
Neuroendocrine stress response will be measured by blood glucose level in adults undergoing umbilical hernia repair.
Serum cortisol level
Serum cortisol level will be measured.
Time of first rescue analgesia
Time of first rescue analgesia will be recorded from the end of surgery till first dose of morphine administration.
Total intraoperative fentanyl consumption
Rescue dose of intraoperative fentanyl given will be recorded.
Total morphine consumption
Intravenous morphine (rescue analgesic) at a dosage of 3 mg will be administered when the Numerical Rating Scale (NRS) score will be ≥ 4. The total morphine consumption over a 24-hours period will be recorded for these individuals.
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