Patients scheduled for a unilateral video-assisted thoracic surgery
Conditions
Interventions
Catheters will be inserted into the thoracic paravertebral space, where is ventral to the endothoracic fascia, under ultrasound guidance.
Catheters will be inserted into the thoracic paravertebral spa
Sponsors
Niigata University Medical and Dental Hospital
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. Patients undergoing video-assisted thoracic surgery at Niigata University Medical and Dental Hospital 2. Written informed consent is provided
Exclusion criteria
Exclusion criteria: 1. American Society of Anesthesiologists Physical Status over 4 2. Inability to communicate lucidly 3. Under 20 or over 80 years old 4. Body Mass Index >30 kg/m^2 5. Body weight <40 kg 6. Contraindication or allergy to drugs used in this study 7. Renal or hepatic failure 8. Pre-existing sensory disturbance of the trunk 9. Patients requiring a posterolateral thoracotomy extending within 2 cm from the catheter insertion site 10. Previous ipsilateral thoracotomy 11. Infection at the catheter insertion site 12. Intrathoracic placement of the catheter 13. Patients who are regarded ineligible by researchers with any other reasons
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Number of anesthetized dermatomes 24 h after surgery | — |
Secondary
| Measure | Time frame |
|---|---|
| Number of anesthetized dermatomes 2 h after surgery Spread of contrast dye injected into the paravertebral space Pain scale Sedation level Incidence of postoperative nausea and vomiting Incidence of local anesthetic systemic toxicity | — |
Countries
Japan
Contacts
Public ContactTakayuki Yoshida
Niigata University Graduate School of Medical and Dental Sciences Division of Anesthesiology
Outcome results
None listed