Diseases which need video assisted thoracic surgery under general anesthesia
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Patients over 20 years old who will undergo video assisted thoracic surgery with postoperative paravertebral block
Exclusion criteria
Exclusion criteria: 1. Patients who will undergo emergency surgery 2. Patients whose serum free local anesthetic concentration can easily be increased. 3. Patients whose paravertebral catheter is difficult to be inserted or to be confirmed the right position. 4. Patients who are inappropriate to be administered contrast medium. 5. Patients who cannot be interviewed after surgery 6. Patients who have allergy to drugs included in the study 7. Patients who suffered from unexpected complications of the surgery or anesthesia 8. Patients who are planned to be sedated after surgery
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Cumulative dose of local anesthetics during postoperative 48 hours | — |
Secondary
| Measure | Time frame |
|---|---|
| 1) Mean score of visual analogue scale (VAS) for pain during postoperative 6 hours 2) Satisfaction scores on VAS for postoperative 24 hours 3) Percentage of the patients showed signs or symptoms of local anesthetic toxicity | — |
Countries
Japan
Contacts
Wakayama Medical University Dept. of Anesthesiology