None listed
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1) age = 65 2) high risk patients undergoing major abdominal surgery -gastrectomy, esophagus surgery, Whipple's operation, pancrease surgery, colorectal surgery - predicted operation time = 3 hours - predictied blood loss = 500ml
Exclusion criteria
Exclusion criteria: 1) arrhythmia including atrial fibrillation 2) severe aortic insufficiency, intra-aortic balloon pump 3) BMI > 40 or <15 kg/m2
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| number and duration of intraoperative hypotension | — |
Secondary
| Measure | Time frame |
|---|---|
| total input, intraoperative ephedrine use;Perioperative arterial blood gas analysis (pH, BE, lactate);Postoperative cardiovascular complication, respiratory complication, neurologic/liver/renal function | — |
Countries
Korea, Republic of
Contacts
Ewha Womans University Medical Center