Surgical patients
Conditions
Interventions
None listed
Sponsors
Kansai Medical University
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: Patients who satisfied the following all conditions. 1) age is 20 or more and less than 65 2) supine position during surgery 3) ASA-PS is I or II 4) patients who agreed after informed consent
Exclusion criteria
Exclusion criteria: patients who matched either of following conditions. 1) patients who had severe liver dysfunction or severe renal dysfunction 2) pregnant or lactating women 3) patients who had neurological disorder 4) patients who scheduled head or neck surgery 5) patients who are medicated a drug that had interaction with anesthetic or analgesic 6) patients who require legal representative 7) patients who were judged as inappropriate for the current study
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| We administer fentanyl intermittently. We add some amount of fentanyl when peak heights of EEG bicoherence decrease below previously defined threshold, and compare them with those 5 minutes after fentanyl administration. | — |
Countries
Japan
Contacts
Public ContactSatoshi Hagihira
Kansai Medical University Department of Anesthesiology
Outcome results
None listed