None listed
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Between 20 and 80 years of age who will undergo lumpectomy or mastectomy for breast cancer 2. American society of anesthesiologist class 1-3 3. Patients scheduled to use PCA after surgery
Exclusion criteria
Exclusion criteria: 1. American society of anesthesiologist class 4 or higher 2. known allergy to local anesthetics 3. pre-existing neurologic impairment in block region 4. Rejected use of Patient controlled analgesia and discontinued use due to side effects 5. Bleeding tendancy (coagulopathy, thrombocytopenia, antiplatelet / anticoagulation medication)
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| 24 hours cumulative postoperative fentanyl consumption | — |
Secondary
| Measure | Time frame |
|---|---|
| Pain severity (VAS);additional rescue analgesics requirement;patients satisfaction | — |
Countries
Korea, Republic of
Contacts
Chungnam National University Hospital