Stopped: No participants
US-guided superficial cervical plexus block (SCPB) may be used for several head and neck surgeries. Local anesthetic is injected under the sternocleidomastoid muscle for SCPB. It has lower complication rate compared to the deep cervical plexus block. Postoperative pain management is important in patients underwent orthognathic surgery. Effective pain treatment provides early mobilization, and shorter hospital stay.
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Opioid consumption
Timeframe: Change from baseline opioid consumption at postoperative 1, 2, 4, 8, 16, and 24 hours