Lumbar disc herniation
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Aged 18-80 years, BMI 18.5-35; 2. Posterior lumbar intervertebral disc fusion is proposed, and the surgical scope is 3-4 segments; 3. ASA grade I-II.
Exclusion criteria
Exclusion criteria: 1. Severe dysfunction of lung, heart, kidney and liver; 2. Abnormal coagulation function or bleeding tendency; 3. Puncture or surgical site infection; 4. Ropivacaine allergy, other contraindications of nerve block; 5. Electrocardiogram non-sinus heart rate, using pacemaker or antiarrhythmic drugs; 6. History of posterior lumbar spine surgery.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| exhaust time; | — |
Secondary
| Measure | Time frame |
|---|---|
| Nerve block range;VAS score;Stress response index;Bowel function;Analgesic dosage; | — |
Contacts
Xuanwu Hospital of Capital Medical University