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Year : 2018  |  Volume : 62  |  Issue : 11  |  Page : 871-875

Ultrasound-guided trigeminal nerve block and its comparison with conventional analgesics in patients undergoing faciomaxillary surgery: Randomised control trial

1 Department of Anaesthesiology, AIIMS, Patna, Bihar, India
2 Department of Dentistry, AIIMS, Patna, Bihar, India

Correspondence Address:
Dr. Chandni Sinha
Department of Anaesthesia, AIIMS, Patna, Bihar
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ija.IJA_256_18

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Background and Aims: Ultrasound (USG)-guided injection in pterygopalatine fossa is an indirect approach to block the trigeminal nerve. Trigeminal nerve block for maxillofacial surgeries may provide preemptive analgesia, reduce opioid consumption and opioid-related adverse effects. Methods: In this randomised, prospective double-blind study, 60 American Society of Anesthesiologists I/II patients, within the age group of 18–60 years scheduled for faciomaxillary surgery (fracture/pathological lesion of maxilla or mandible and cleft lip), were recruited. The patients were allocated in either of the two groups: group I: general anaesthesia (FENT group) and group II: general anaesthesia + trigeminal nerve (TNB group). Perioperative opioid consumption and postoperative pain scores were recorded. Any adverse effects like respiratory depression and nausea were also looked for. Results: Patients in group II required less intraoperative fentanyl top ups (1.17 ± 0.53 vs 2.70 ± 0.53) (P < 0.05). Postoperative opioid consumption was also less in this group (0.93 ± 0.69 vs 3.53 ± 0.68) (P < 0.05). Conclusion: USG-guided TNB reduces perioperative opioid consumption in patients undergoing faciomaxillary surgery with better patient pain scores.

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