None listed
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1) Adults of Americal society of anesthesiologists (ASA) class I and II (ages 19-75) 2) Subjects scheduled to undergo elective laparoscopic liver resection under general anesthesia
Exclusion criteria
Exclusion criteria: 1) Under 18 years 2) Body mass index (BMI) > 30 kg / m 2 or <18.5 kg / m 2 3) Those who are in contravention of nerve root block - Subjects with a history of allergic or hypersensitive reactions to local anesthetics - Subjects with bleeding tendency - Subjects who are using anticoagulants 4) Drug addiction or alcoholism 5) Severe liver, kidney, 6) Pregnant and lactating women 7) Emergency surgery
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Cumultive amount of opioid at 24 hours after surgery | — |
Secondary
| Measure | Time frame |
|---|---|
| Compare the difference in time required for first analgesic treatment between the two groups.;Compare the results of AST / ALT / INR / CRP after surgery in both groups.;Compare the pain scores (at rest) after surgery by NRS and VAS scores in both groups. | — |
Countries
Korea, Republic of
Contacts
Samsung Medical Center