Patients aged 65 to 90 years undergoing laparoscopic colorectal cancer surgery
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Patients who were scheduled to undergo elective laparoscopic colorectal cancer surgery, aged 65 to 90 years, with an American Society of Anesthesiologists (ASA) physical status I to III
Exclusion criteria
Exclusion criteria: history of neuromuscular, neurological, or psychological diseases (dementia, Parkinsons disease, seizure disorders, head injury), abuse of alcohol or illicit drugs or chronic use of psychoactive medication; significant cardiac arrhythmia (atrial fibrillation, or atrioventricular block exceeding 1st degree), and hemodynamically unstable condition before surgery
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| intraoperative opioid (remifentanil) consumption | — |
Secondary
| Measure | Time frame |
|---|---|
| intraoperative hemodynamic instability events, awakening time, pain score, fentanyl consumption and incidence of delirium in the post-anesthesia care unit (PACU), and perioperative changes in immunologic markers, including interleukin-6 and natural killer (NK) cell activity | — |
Countries
Asia(except Japan)
Contacts
Korea University Guro Hospital Department of Anesthesiology and Pain Medicine