Single Thoracic Paravertebral Blockade
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Liver surgery, 20-80 years old, ASA I-II, 45-90kg, no compromise in cardiac and lung function. No gender limitations. Patient has to voluntarily join the study and sign the Informed Consent Form for the study.
Exclusion criteria
Exclusion criteria: Puncture site infection, alcohol allergy, diabetes, can't understand VAS score, pregnant women andnursing mothers.coagulopathy; a history of relevant drug allergy; a history of alcohol or analgesics dependence; chronic pain. Any other condition that might place the patient at undue risk or preclude a patient from completing the study; Other conditions regimented at investigators' discretion.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Postoperative VAS scores;Nerve block plane; | — |
Secondary
| Measure | Time frame |
|---|---|
| Hospitalization date;Pain remedies; | — |
Countries
China