None listed
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: The study focuses on the patients in ASA (American Society of Anesthesiologists) physical status classification 1 or 2 who are scheduled for thyroidectomy, whose ages are between 18 to 70 years olds.
Exclusion criteria
Exclusion criteria: 1. A patient who complains of severe pain in preoperative period 2. A patient who has any experience of general anesthesia 3. A patient who has a psychologic problem, for example alcohol or drug dependency. 4. One who has a difficulty to understand or to hear when counselling. 5. Heavy smoker
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| preoperative state anxiety;Effective site concentration of propofol at the point of loss of consciousness | — |
Secondary
| Measure | Time frame |
|---|---|
| postoperative state anxiety;Entropy variables (response entropy, state entropy) | — |
Countries
Korea, Republic of
Contacts
Sungkyunkwan University