This prospective, randomized, double-blind study aimed to compare the effects of ultrasound-guided versus laparoscopy-guided transversus abdominis plane(TAP) block on postoperative analgesia in patients undergoing laparoscopic upper abdominal surgery under general anesthesia. Postoperative pain scores, analgesic consumption and recovery parameters were evaluated during the first 24 hours after surgery.
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Postoperative pain score (NRS)
Timeframe: First 24 hours postoperatively