upper extremity surgery
Conditions
Interventions
Group 1 :Ultrasound-guided supraclavicular brachial plexus block with 30 mL 0.33% ropivacaine
Group 2:Ultrasound-guided supraclavicular brachial plexus block with 30 mL 0.33% ropivacaine plus 25 µg dexmedetomidine
Group 3:Ultrasound-guided supraclavicular brachial plexus block with 30 mL 0.33% ropivacaine plus 50 µg dexmedetomidine
Group 4:Ultrasound-guided supraclavicular brachial plexus block with 30 mL 0.33% ropivacaine plus 75 µg dexmedetomidine
Group 5:Ultrasound-guided supraclavicular brachial plexus block with 30 mL 0.33% ropivacaine plus 100 µg dexmedetomidine
Sponsors
East China Normal University Wuhu Affiliated Hospital (The Second People's Hospital of Wuhu)
Eligibility
Sex/Gender
All
Age
18 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1.Aged 18-80 years; 2.ASA grade I-III; 3.Elective upper limb surgery (except shoulder surgery); 4.BMI 18-25 kg/m^2; 5.Informed consent has been signed by the patient and his family.
Exclusion criteria
Exclusion criteria: 1.Patient's refusal or inability to cooperate and communicate; 2.Infection or tumor at puncture site; 3.Coagulation dysfunction; 4.Neurological dysfunction of the upper limb; 5.Respiratory insufficiency or high paraplegia; 6.Severe heart block or cardiac insufficiency; 7.Diabetes; 8.Pregnant women; 9.Any other situations in which researchers believe that patients should not participate in the this study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The duration of analgesia; | — |
Secondary
| Measure | Time frame |
|---|---|
| Analgesic dosage for remedial analgesia within 24 hours and 24 to 48 hours after surgery;The duration of sensory and motor of block;Postoperative activity time and postoperative hospital stay; | — |
Countries
China
Contacts
Public ContactDingdong Yang
East China Normal University Wuhu Affiliated Hospital (The Second People's Hospital of Wuhu)
Outcome results
None listed