ASA ( wait for pilot study) physical status I-
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Inclusion criteria : 1. Patients who has ASA physical status I-II 2. The age between 18 and 75 years 3. Under going for upper extremity surgery (elective or emergency)
Exclusion criteria
Exclusion criteria: Exclusion criteria : patients will be excluded from the study when they 1. Refuse to receive intervention 2. Allergy to the drug under study 3. Have diabetes mellitus 4. Preexist coagulation disorders 5. Were morbid obesity (BMI > 35 kg/m2) 6. Have local infection at the site of the block 7. Have chronic pain 8. Receive medical therapies considered to result in tolerance to opiates 9. Cannot evaluate numerical rating scale 10. Use systemic corticosteroids more than 20 mg/day for 5 days or longer within 12 months 11. Infection (Viral, Active TB)
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The primary outcome is duration of sensory block. None Before operation, the patients will be instructed preoperatively about the use of the NRS for pain a | — |
Secondary
| Measure | Time frame |
|---|---|
| 1) Time to complete sensory block(Duration from start injection local anesthetic drug to the time wh None evaluate & measurement by nurse | — |
Countries
Thailand
Contacts
Khonkaen hospital