None listed
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: patients who scheduled for elective orthopedic surgery in the sitting position under general anesthesia American Society of Anesthesiologists physical status I–III patients informed consent
Exclusion criteria
Exclusion criteria: history of cerebrovascular disease previous cervical vertebra surgery severe cardiopulmonary disease patients who can not put on the elastic stocking on their lower extremity (leg trauma)
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| cerebral oxygen saturation;mean arterial pressure | — |
Secondary
| Measure | Time frame |
|---|---|
| inotropics use | — |
Countries
Korea, Republic of
Contacts
Ewha Womans University Medical Center