thoracoscopic surgery
Conditions
Interventions
Group of single injection:single injection of 0.75% ropivacaine 15ml on pleural cavity
Group of repeated injection: injection of 0.75% ropivacaine 15ml on pleural cavity every four hours
Sponsors
The First Affiliated Hospital of Wenzhou Medical University
Eligibility
Sex/Gender
All
Age
18 Years to No maximum
Inclusion criteria
Inclusion criteria: Eligible subjects aged 18 years or older, ASA I to III, and scheduled for thoracoscopic surgery
Exclusion criteria
Exclusion criteria: Exclusion of amide local anesthetic allergies, history of thoracic operation or chest infection,chronic pain, severe central neurologic diseases,patients with liver and renal insufficiency,history of alcohol and opioid dependence, the recent use of opioid drugs or drugs interaction with ropivacaine, inability to carry out NRS test,patient who was younger than 12 years old,patients with BMI=30kg/m2 or =15kg/m2.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| plasma concentration of ropivacaine;Patient’s satisfaction; | — |
Secondary
| Measure | Time frame |
|---|---|
| Pain score at different time points after operation;extra analgesic consumption;Adverse reactions; | — |
Countries
China
Contacts
Public ContactXuzhong Xu
The First Affiliated Hospital of Wenzhou Medical University
Outcome results
None listed