Coronary artery bypass graft surgery Circulatory System Coronary artery bypass graft surgery
Conditions
Interventions
Upon arrival at the operating room, standard monitoring devices were applied and a radial artery catheter was inserted under local anaesthesia for continuous blood pressure monitoring. Also, a pulmona
BIS) (A-2000TM, Aspect Medical Systems, USA) and rSO2 (INVOS 5100TM, Somanetics, USA) were continuously monitored with both sensors applied to the forehead of the patients.
Hemodynamic variables, BI
Sponsors
Yonsei University, College of Medicine (Korea, South)
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: Adult patients admitted to the Yonsei University Health System scheduled for isolated off-pump coronary artery bypass graft surgery between August 2006 and March 2007.
Exclusion criteria
Exclusion criteria: 1. Patients undergoing emergent surgery 2. Pre-existing neurologic disease 3. Lung parenchymal disease 4. New York Heart Association (NYHA) functional class >= 3 5. Left ventricular ejection fraction <40% 6. Unstable angina and recent myocardial infarction within 1 month 7. Patients who had significant luminal narrowing of either carotid and/or vertebral arteries on preoperative angiography
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Regional cerebral oxygen saturation measured by near infrared spectroscopy | — |
Secondary
| Measure | Time frame |
|---|---|
| Hemodynamic variables including the following: 1. Cardiac index (CI) 2. Mixed venous oxygen saturation 3. Mean arterial pressure 4. Central venous pressure | — |
Countries
Korea, South
Outcome results
None listed