Pain after knee arthroscopy
Conditions
Interventions
M group:No nerve block
SL group:Ultrasound-guided saphenous nerve block with 0.375% ropivacaine after operation
SM group:Ultrasound-guided saphenous nerve block with 0.5% ropivacaine after operation
SM group:Ultrasound-guided saphenous nerve block with 0.75% ropivacaine after operation
Sponsors
The First Affiliated Hospital of Wenzhou Medical University
Eligibility
Sex/Gender
All
Age
18 Years to 65 Years
Inclusion criteria
Inclusion criteria: 1. Aged 18 to 65 years old; 2. ASA I~II level; 3. BMI 18~28kg/m2; 4. Patients undergoing elective knee arthroscopy.
Exclusion criteria
Exclusion criteria: 1. Pregnant or lactating woman; 2. History of allergy to local anesthetics; 3. mental and neurological diseases; 4. Diabetes and peripheral neuropathy or injury; 5. Patients with systemic diseases such as severe liver and kidney, heart and lung; 6. History of chronic pain; 7. Recent use of painkillers, hormones, and drug abuse history.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| VAS pain score at different time points after operation;Postoperative morphine consumption;Time to start getting out of bed;Quadric muscle strength at different time points after operation; | — |
Secondary
| Measure | Time frame |
|---|---|
| Vital signs (mean arterial pressure, heart rate and respiratory rate) at different time points after operation;Postoperative adverse reactions (nausea and vomiting, urinary retention, itching) at different time points after operation; | — |
Countries
China
Contacts
Public ContactJiehao Sun
The First Affiliated Hospital of Wenzhou Medical University
Outcome results
None listed