None listed
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: ASA Classification 1,2 patients aged 19 to under 75 who visited Eunpyeong St. Mary's Hospital and undergo spinal surgery under general anesthesia
Exclusion criteria
Exclusion criteria: ? Patients with predicted difficult airway ? Lung and pleural disease ? Upper respiratory infection ? Hemodynamic instability patients ? Patients with elevated brain pressure ? Patients whose electrocardiogram is not normal sinus rhythm on preoperative examination ? Unstable angina, left ventricular ejection fraction <40% ? Serious vascular disease ? implantable pacemaker/defibrillator ? Autonomic nervous system disease
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Predictive power of hypotension in pleth variability index after alveolar recruitment maneuver;Predictive power of hypotension except Pleth Variability Index after alveolar recruitment | — |
Countries
Korea, Republic of
Contacts
The Catholic University of Korea