Analgesia Nociception Index in Orthognathic Surgery

Comparison of Goal-directed Analgesia Using ANI (Analgesia/Nociception Index) and Standard Analgesia During General Anesthesia in Patients Undergoing Orthognathic Surgery on Postoperative Quality of Recovery: a Prospective Randomized Controlled Trial

This study aims to determine whether goal-directed analgesia using ANI(Analgesia/Nociception Index) can improve the quality of postoperative recovery in patients undergoing maxillofacial surgery.

Inclusion Criteria:

• Adult patients 18 or older undergoing maxillary, mandibular, or bimaxillary surgery under general anesthesia.
• adult patients who can provide written informed consent to participate in the study, understand the procedures of this study, and be able to complete patient-reported questionnaires adequately.
• adult patients who Have made an informed decision to participate in this study and have given written consent.

Exclusion Criteria:

• Patients with ASA physical status 4-5
• Emergency surgery
• Patients with chronic pain and related pain medications
• Patients with hypersensitivity to general anesthesia drugs and pain medications
• Patients with arrhythmia
• Pregnant women
• Others deemed unsuitable by the investigator