Varicose veins in the lower extremities
Conditions
Interventions
E5 Group:Epidural injection of 5 mL of normal saline
E10 group:Epidural injection of 10 mL of normal saline
C Group:No fluid is given to the epidural
Sponsors
Affliated Hospital of NorthSichuan Medical College
Eligibility
Sex/Gender
All
Age
18 Years to 65 Years
Inclusion criteria
Inclusion criteria: 1. ASA grade I.-III; 2. Patients who underwent elective lower limb varicose vein surgery; 3. Age 18-65 years old, gender is not limited; 4.BMI 18.5-27.9kg/m^2; 5. No contraindications to neuraxial anesthesia; 6. Those who sign the informed consent form.
Exclusion criteria
Exclusion criteria: 1. Those with liver and kidney insufficiency; 2. Patients with lower limb movement, hearing dysfunction and mental system diseases; 3. Congenital anatomical abnormalities.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Isospecific gravity bupivacaine for ED50 of subarachnoid block in patients undergoing varicose vein surgery of the lower extremities; | — |
Secondary
| Measure | Time frame |
|---|---|
| Sensory block onset time;Duration of sensory block;Motor block onset time;Duration of motor block;Hemodynamics;The Anesthesia Satisfaction Rating Scale (ISAS) was used to evaluate the patients' postoperative anesthesia satisfaction;Anesthesia plane and analgesia time;Adverse reactions; | — |
Countries
China
Contacts
Public ContactWang Ji
Affliated Hospital of NorthSichuan Medical College
Outcome results
None listed