Epidural anesthesia
Conditions
Interventions
Group 1:Not strictly requiring knee flexion and hip flexion in lateral position during epidural puncture
Group 2:Strictly requiring knee flexion and hip flexion in lateral position during epidural puncture
Sponsors
West China Hospital, Sichuan University
Eligibility
Sex/Gender
All
Age
18 Years to 60 Years
Inclusion criteria
Inclusion criteria: Aged 18-60 years patients scheduled to undergo elective laparotomy, undergo epidural anesthesia and analgesia after operation with ASA I-II, BMI < 25kg/m2 and the informed consent.
Exclusion criteria
Exclusion criteria: The patients who with spinal deformity, coagulation dysfunction, preoperative clinical symptoms or imaging examination showing that the tumors had distant metastasis or drug allergy history, puncture site infection, and taking part in other clinical studies within three months are excluded. And the researchers think that the patient is not suitable to participate in this experiment.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Time from the start of epidural puncture to the arrival of epidural space;Patients' comfort scores during operation; | — |
Secondary
| Measure | Time frame |
|---|---|
| Image quality of L3-4, T11-12, T8-9, T5-6 intervertebral disc space in paravertebral midsagittal section of patients in two positions;Distance from skin to epidural space;Number and success rate of epidural puncture;the depth of puncture needle; | — |
Countries
China
Contacts
Public ContactFei Liu
West China Hospital, Sichuan University
Outcome results
None listed