surgeries of hand and forearm
Conditions
Interventions
Group D:Solutions for brachial plexus block:(0.25% ropivacain+1% lidocaine) 30ml+ 0.75µg/kgdexmedetomidine 3ml
Group M:Solutions for brachial plexus block:(0.25% ropivacain+1% lidocaine) 30ml+150mg magnesium sulfate 3ml
Group C:(0.25% ropivacaine+1%lidocaine) 30ml+NS 3ml
Sponsors
the Second Affiliated Hospital of Harbin Medical University
Eligibility
Sex/Gender
All
Age
18 Years to 65 Years
Inclusion criteria
Inclusion criteria: patients scheduled for forearm or hand surgery undergoing the ultra-sound guided axillary brachial plexus block and ASA status I-II.
Exclusion criteria
Exclusion criteria: patients with a history of allergy to the study medication, peripheral neuropathy, central nervous system disease, puncture site infection, a history of severe heptic, renal, cardiac or pulmonary disease, coagulation disorder, alcohol or opioid abuse, chronic pain, severe morbid obesity, pregnancy or lactating women
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| the onset time of sensory block;the onset time of motor block;the duration of sensory block;the duration of motor block;the duration of motor block;the analgesic time;the analgesics assumption 24h after surgery; | — |
Secondary
| Measure | Time frame |
|---|---|
| BIS values; | — |
Countries
China
Contacts
Public ContactWenzhi Li
Outcome results
None listed