الفهرس 
Pathophysiology of obesityOnly 14 pages are availabe for public view
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Abstract
ABSTRACT
Background: Ultrasound-guided quadratus Lumborum block (QLB) is performed as one of the postoperative pain management procedures for patients undergoing abdominal surgeries.
Objective: The aim of this study is to compare the effect of ultrasound-guided bilateral QLB versus bilateral ultrasound-guided Transversus abdominis plane (TAP) block on postoperative analgesia in patients undergoing laparoscopic sleeve gastrectomy (LSG) under general anaesthesia.
Patients and Methods: Setting and design: a pilot exploratory study was conducted on 45 patients scheduled for elective LSG. All patients received general anaesthesia using IV fentanyl (1-2 μg/kg). QLB group (15 patients): received ultrasound-guided QLB after induction of general anaesthesia using 0.2 mL/kg of 0.25% bupivacaine per side. TAP group (15 patients): received ultrasound-guided TAP block after induction of general anaesthesia using 0.2 mL/kg of 0.25% bupivacaine per side. Control group (15 patients): received general anaesthesia and then 1gm IV paracetamol and 30mg IV ketorolac 1 hour and 8 hours postoperative.
Results: there was a statistically significant difference between the three groups as regards the VAS score, the total dose of pethidine used postoperatively, the number of patients who needed rescue analgesia and postoperative hemodynamics; indicating that TAP block was more effective than intravenous drug analgesia, while QLB was more effective than TAP block.
Conclusion: QLB was the most effective technique in providing analgesia after LSG in comparison to TAP block and intravenous analgesic drugs.