The patients will be randomly allocated into two equal groups using a computer program. Group A: will receive external oblique intercostal block after induction. Group B: will receive postoperative morphine per patient request.
General anaesthesia induction will be achieved using fentanyl 1µg/kg (IV), propofol 2mg/kg (IV), and0.5mg/kg of IV Atracurium. General anaesthesia will be maintained with mechanical ventilation with isoflurane with O2 \\ Air mixture. During anaesthesia maintenance Intraoperatively, if BP or heart rate (HR) increase more than 20% from baseline, intravenous morphine will be given to stabilize the patients' haemodynamics. All patients will receive 1g intravenous paracetamol and 4mg ondansetron 8mg dexamethasone.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
OTHER
Masking
NONE
Enrollment
25
20 ml of bupivacaine 0.25% will be administered by US into external oblique intercostal plane at the level of sixth rib space .
Menoufia university
Cairo, Shibin Elkom, Egypt
Time for first rescue analgesia
hours
Time frame: day 0
VAS score
1 to 10 (0 is interpreted as no pain, 1-4 mild pain, 5-6 moderate pain, 7-10 severe pain)
Time frame: 24 hours
rescue analgesics
morphine mg
Time frame: 24hous
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