Herniated lumbar discs
Conditions
Interventions
Group 1:0.75% ropivacaine 10 mL + 0.9% saline 10 mL, 20 mL into each side
Group 2:0.75% ropivacaine 10 mL + 0.9% saline 9 mL + 100 ng naloxone 1 mL, 20 mL into each side
Sponsors
Second Hospital of Lanzhou University
Eligibility
Sex/Gender
All
Age
40 Years to 70 Years
Inclusion criteria
Inclusion criteria: 1. American Society of Anesthesiologists (ASA) Health Status Grade I-III; 2. Age 40-70 years; 3. Patients (1-3 levels) who were to undergo posterior median approach lumbar fusion under general anesthesia.
Exclusion criteria
Exclusion criteria: 1. History of lumbar trauma or lumbar surgery; 2. Puncture site infection, ulceration and tumor; 3. Obese patients with difficulty in ultrasound localization; 4. Local anesthetic allergy; 5. Abnormal coagulation function; 6. History of chronic pain and opioid dependence; 7. Patients with neurological diseases or neurological dysfunction; 8. Refusing to participate in the study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Postoperative VAS pain scores at rest and on turning; | — |
Countries
China
Contacts
Public ContactQingyang Yan
Second Hospital of Lanzhou University
Outcome results
None listed