The study aims to compare the efficacy of the external oblique plane block and the subcostal plane block in providing pain relief during perioperative anaesthetic management. As intraoperative haemodynamic stability is an important factor for surgeons to achieve better outcomes due to its effect on the quality of laparoscopic intervention, the investigator will observe its impact on this matter. Ninety patients scheduled for elective surgery will be randomly assigned by a closed-envelope method into three groups (n = 30) receiving either a subcostal plan block, an external oblique plane block, or a control block preoperatively. Each group receive standardised general anaesthesia and perioperative pain management protocol. The data to be recorded include a numeric rating scale, intraoperative and postoperative analgesic use, intraoperative haemodynamic parameters, and VAS score. Moreover, block performance time, motor block and side effects or complications will be noted.
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Pain Score
Timeframe: postoperative day 1