Varicose veins Varicose vein postoperative pain femoral nerve block
Conditions
Interventions
Comparison of different dosages of fentanyl
Comparison of intraoperative and postoperative pain,Comparison of different dosages of fentanyl
Comparison of intraoperative and postoperative pain
Active Comparator Drug,Active Comparator Drug
fentanyl,ultrasound guided femoral nerve block with 1 % lidocaine with epinephrine ( 1:200,
000) 15 ml
Sponsors
Faculty of medicine, Siriraj hospital, Mahidol university
Faculty of medicine,
Siriraj hospital,
Mahidol university
Eligibility
Sex/Gender
All
Age
18 Years to 65 Years
Inclusion criteria
Inclusion criteria: varicose veins at anteromedial side of leg
Exclusion criteria
Exclusion criteria: 1. refusal to participate in research 2. weight under 45 kgs. 3. allergy to fentanyl 4. uncontrolled diabetes 5. poor controlled of diabetes 6. contraindication of femoral nerve block 7. cognitive impairment or psychiatric problems 8. neurological deficit at legs 9. use of more than 20 mg of oral morphine for chronic pain
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Total dose of fentanyl during surgery The end of operation Dose of fentanyl | — |
Secondary
| Measure | Time frame |
|---|---|
| Total dose of analgesic medication 24 hours after the end of operation dose of analgesic medication,Motor blockade of the quadriceps femoris 1 hour after finish operation The grading of quadriceps femoris strength,Postoperative pain at rest and on movement intraoperative, PACU, 6 hours after finish the operation, 12 hours after finish the operation Visual analogue scale,Time to first rescue analgesia dose after finish the operation 24 hours after finish the operation Minutes,Local anesthetic systemic toxicity 24 hours after finish the operation yes/no | — |
Countries
Thailand
Contacts
Public ContactNaruenart Lomarat
Faculty of medicine, Siriraj hospital, Mahidol university
Outcome results
None listed