None listed
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Among patients were scheduled for elective surgery under general anesthesia, American Society of Anesthesiologists (ASA) class 2 or 3, had taken anti-hypertensive drugs for more than 6 months were included in the study.
Exclusion criteria
Exclusion criteria: Patients with body mass index greater than 30, suspected difficult airway, preexisting respiratory disease, severe cardiac liver, or kidney disease, uncontrolled hypertension, and cognitive dysfunction were excluded in this study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Mean blood pressure | — |
Secondary
| Measure | Time frame |
|---|---|
| heart rate (HR), oxygen saturation (SpO2), BIS | — |
Countries
Korea, Republic of
Contacts
Yeongnam University Medical Center