The patients undergoing abdominal surgery longer than 2 hours under general anesthesia in conjunction with M-TAPA.
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: The patients undergoing abdominal surgery under generalanesthesia in conjunction with bilateral M-TAPA using 25ml 0.25% levobupivacaine mixed with 5ug/ml epinephrine.
Exclusion criteria
Exclusion criteria: 1. ASA-PS >=3 2. Allergy to local anesthetics or epinephrine 3. Body weight <=50 kg 4. Existing hepatopathy or neuropathy 5. Pregnancy 6. Albumine <=3 g/dL 7. Other patients who are judged inappropriate by the investigator
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The plasma levobupivacaine concentration at 10, 20, 30, 45, 60, 120 minutes after performing M-TAPA. | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. Correlation with plasma local anesthetic concentration and patient's characteristics. 2. Adverse events occurring within 12 hours after M-TAPA performance. | — |
Countries
Japan
Contacts
Hokkaido university hospital Anesthesiology