Heart disease
Conditions
Interventions
Nerve block group:Ultrasound-guided intercostal muscle block of bilateral parasternal major muscles was performed at the end of the operation (0.375% ropivacaine 40ml, 20ml on each side)
Control group:Routine general anesthesia, no nerve block
Sponsors
The first affiliated Hospital of Guangxi Medical University
Eligibility
Sex/Gender
All
Age
18 Years to 65 Years
Inclusion criteria
Inclusion criteria: 1. Adult patients undergoing elective median thoracotomy with open heart surgery; 2. ASA grade ?-?; 3. The age is 18-65 years old, male or female; 4. Sign the informed consent form.
Exclusion criteria
Exclusion criteria: 1. Complicated with severe damage of heart, lung, liver and kidney function; 2. Complicated with severe neuropsychiatric lesions; 3. Thoracic malformation can not be blocked by nerve block; 4. Patients with two or more times of thoracotomy, 5. MBI >= 28; 6. Alcohol or opioid addicts; 7. Patients with hyperalgesia; 8. Patients with local anesthetic allergy; 9. Unwilling to accept the experimental operator.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Postoperative dosage of opioid analgesics; | — |
Secondary
| Measure | Time frame |
|---|---|
| Visual Analogue Score; | — |
Countries
China
Contacts
Public ContactChen Yanhua
The first affiliated Hospital of Guangxi Medical University
Outcome results
None listed