Arthroscopic shoulder surgery
Conditions
Interventions
0.375% ropivacaine group:A high-frequency linear array ultrasound transducer (5-12MHz) was employed for scanning under aseptic conditions. The patient was positioned in the supine position with the he
Sponsors
Nanjing Drum Tower Hospital,The Affiliated Hospital of Nanjing University Medical School
Eligibility
Sex/Gender
All
Age
65 Years to 80 Years
Inclusion criteria
Inclusion criteria: (1)Age:65-80 years old; (2)ASA: II-III ; (3)18.5 kg/m^2<= BMI <30 kg/m^2; (4).Arthroscopic shoulder surgery is scheduled.
Exclusion criteria
Exclusion criteria: (1) Known hypersensitivity or contraindications to ropivacaine or its pharmaceutical components; (2) Presence of coagulation disorders; (3) Local infection at the site of nerve block puncture; (4) Severe hepatic, renal, cardiac, or pulmonary dysfunction; (5) Pre-existing diaphragmatic dysfunction; (6) Communication or cognitive impairments precluding cooperation during ultrasonography; (7) Chronic use of analgesics, sedatives, or antidepressants; (8) Limb paralysis due to sequelae of cerebral infarction.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Sensory and motor block status 30 minutes post-ISB administration in the patient; | — |
Secondary
| Measure | Time frame |
|---|---|
| Ipsilateral diaphragmatic block status 30 minutes after the block; | — |
Countries
China
Contacts
Public ContactWei Zhang
Nanjing Drum Tower Hospital,The Affiliated Hospital of Nanjing University Medical School
Outcome results
None listed