Rotator cuff injury
Conditions
Interventions
experimental group:The volume of bupivacaine liposome used by the first patient was 10ml according to clinical routine and previous studies. Then the concentration of local anesthetic for nerve block
If the previous patients effect is "successful" (positive reaction), the volume of local anesthetics used by this patient will be biased randomly, with a probability of 11%(b=0.11) decreasing by one u
Sponsors
The First Affiliated Hospital of Zhengzhou University
Eligibility
Sex/Gender
All
Age
18 Years to 65 Years
Inclusion criteria
Inclusion criteria: (1) Patients undergoing arthroscopic rotator cuff repair in the First Affiliated Hospital of Zhengzhou University; (2) ASA?-?; (3) Age =18, =65 years old, gender is not limited; (4) BMI: 18-30kg/m2; (5) Patients were treated with nerve block and PCIA after operation.
Exclusion criteria
Exclusion criteria: (1) Accompanied by nerve injury or diseases around the shoulder joint, including thoracic outlet syndrome, multiple sclerosis, cervical intervertebral disc disease with ipsilateral radiculopathy, etc. (2) Accompanied by abnormal sensory or motor function of upper limbs; (3) There is active infection at the puncture site, or there is coagulation dysfunction (hemophilia, von Willebrand, or international normalized ratio INR > 2); (4) Severe respiratory diseases and a history of serious cardiovascular and cerebrovascular diseases; (5) Combined with diabetes or nervous system dysfunction; (6) Unable to understand or cooperate with VAS raters; (7) History of shoulder surgery; (8) Failed nerve block; (9) History of local anesthetic allergy in the past; (10) Long-term use of opioids (use time =3 months or use time =1 month and daily dose =5mg morphine equivalent); (11) Operation time 3h.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| 24-hour analgesic effect; | — |
Secondary
| Measure | Time frame |
|---|---|
| Pain intensity scores;postsurgical opioid consumption;time to first postsurgical opioid rescue medication;diaphragmatic excursion;spirometry;Satisfaction degree of analgesic treatment;Sleep quality; | — |
Countries
China
Contacts
Public ContactWang Haitao
The First Affiliated Hospital of Zhengzhou University
Outcome results
None listed