open thoracic surgery
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1) age 18-60 years;2) ASA classification grade ? - ?;3) patients scheduled for open thoracic surgery;4) with normal pre-operative routine tests results, including CBC, liver and kidney function (ALT and AST, BUN, and Cr = upper limit of normal), and coagulation functions;5) patient compliance: with a clear consciousness, and be able to cope with the follow-up assessment.
Exclusion criteria
Exclusion criteria: 1) patients with the following underlying diseases: history of active ulcer or bleeding in the upper digestive tract; history of ischemic heart disease or cerebrovascular disease; renal dysfunction; spinal diseases; 2) infection in the puncture site; 3) bacteremia; 4) preoperative bleeding and coagulation disorders, or perioperative use of anticoagulant drugs; 5) patient refused to sign the informed consent.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| pain score; | — |
Secondary
| Measure | Time frame |
|---|---|
| dosage of local anaesthetia; | — |