General Anesthesia Clinical Trial
Official title:
Evaluation of the Analgesia Nociception Index With Varying Remifentanil Concentrations Under Sevoflurane
Analgesia Nociception Index（ANI）which is derived from heart rate variability can be used to detect noxious stimulation during propofol while changing remifentanil concentrations. The aim of this study is to verify the effectiveness of ANI predictability for actual surgical noxious stimuli while satisfying the individual analgesic status by pre-tetanus-induced ANI determination during sevoflurane while changing remifentanil concentrations.
General anesthesia with sevoflurane and remifentanil is widely used in minor surgeries. Monitoring noxious stimulation during general anesthesia is still worth further studies and reaching clinical consensus. Analgesia Nociception Index can be used to detect noxious stimulation during propofol while changing remifentanil concentrations. Previous studies suggest that an ANI≥50 can be useful in detecting sufficient analgesia for patients who cannot self-report pain. The aim of this study is to verify the effectiveness of ANI predictability for actual surgical noxious stimuli while satisfying the individual analgesic status by pre-tetanus-induced ANI determination during sevoflurane while changing remifentanil concentrations. ;
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