anaesthesia
Conditions
Interventions
subfascial group:performing unilateral L4 level TQL block in the subfascial using 30 ml of 0.375% ropivacaine
extrafascial group:performing unilateral L4 level TQL block in the extrafascial using 30 ml of 0.375% ropivacaine
Sponsors
Affiliated Hospital of Jiangsu University
Eligibility
Sex/Gender
All
Age
18 Years to 65 Years
Inclusion criteria
Inclusion criteria: Males, aged 18-65 years, body mass index 18-25 kg/m^2, ASA classification I-II, undergoing the abdominal surgery and can benefit from unilateral QLB, can fully understand the research content, have signed an informed consent form.
Exclusion criteria
Exclusion criteria: local anesthetic allergy, abnormal coagulation function, loss of skin sensation, undergoing lower limb surgery, difficulty in communicating with medical staff, infection near puncture site, abnormal anatomy, history of trunk and hip surgery, contraindication of quadratus lumborum block, chronic pain or receiving chronic pain treatment, neurological dysfunction and mental illness history.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The positive condition in each region 40 min after the AQLB ; | — |
Secondary
| Measure | Time frame |
|---|---|
| Loss of dermatome sensation 40 min after the AQLB ;lower limb muscle strength;Time to first ambulation; | — |
Countries
China
Contacts
Public ContactWu Jin
Affiliated Hospital of Jiangsu University
Outcome results
None listed