Functional endoscopic sinus surgery (FESS) is a common procedure performed in the ear, nose, and throat (ENT) operating room under general anesthesia (GA). Patients usually experience discomfort and pain postoperatively due to nasal packing.
Aims and objectives: Our study is aimed to evaluate the effect of a bilateral intraoral infraorbital block with bupivacaine on postoperative pain in patients undergoing FESS under GA.
Materials and methods: A total of 60 patients were randomly allocated to either the control group or study group of 30 each. After the establishment of the standard GA technique, bilateral intraoral infraorbital nerve block (IOB) was performed with 1 mL of either normal saline (control group) or 0.5% bupivacaine (study group). Fentanyl dose was repeated with a rise in mean arterial pressure of >10% of the baseline. Postoperative pain intensity, duration of analgesia, analgesic requirement, intraoperative hemodynamics, and patient satisfaction to pain were evaluated.
Results: Postoperative pain scores in the control group were 3 and 2 and the study group was 2 and 1 and were statistically significant (p = 0.000). Duration of analgesia and the total analgesic requirement (first 24-hour postoperative period) were 513.5 ± 151.14 and 236.00 ± 65.20 and 92.50 ± 30.19 and 167.50 ± 32.26 in the study group and control groups, respectively and were significant statistically (p < 0.05). The hemodynamic and patient satisfaction scales were also significantly better in the study group.
Conclusion: General anesthesia (GA) with bilateral intraoral infraorbital block provided stable hemodynamics, prolonged duration of analgesia, less pain scores, fewer analgesic need, and more patient satisfaction scores in the postoperative period.
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