None listed
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Below knee surgery in orthopedic surgery ASA(American Society of Anesthesiology) class 1, 2 Age: 19-80 yrs
Exclusion criteria
Exclusion criteria: Clinically significant coagulopathy Infection at the injection site Allergy to local anesthetics Severe cardiopulmonary disease (= ASA class 3) Body mass index > 35 Diabetic or other neuropathies Patients receiving opioids for chronic analgesic therapy Ear disease Patients who don't receive PCA (patient controlled analgesia)
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Body temperature | — |
Secondary
| Measure | Time frame |
|---|---|
| VAS (visual analogue scale);Amount of opioid consumption | — |
Countries
Korea, Republic of
Contacts
The Catholic University of Korea, Daejeon St. Mary's Hospital