Upper limb surgery
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Patient participant requirements included a body mass index (BMI) of less than 30 kg/m2, an ASA physical status class I and II,and being scheduled for elective forearm and arm surgery (<180 min) under brachial plexus block.
Exclusion criteria
Exclusion criteria: Patients with a history of study protocol drug allergy, significant hepatic or renal disease, coagulation disorder, infection at the puncture site, pregnant women, or individuals with an addiction to benzodiazepines,clonidine, cocaine, or opioids were not included in the study. Patients with any intraoperative complication, unsuccessful block, or prolonged surgery (> 180 min) were excluded.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| duration of sensory block; | — |
Secondary
| Measure | Time frame |
|---|---|
| duration of motor block,; | — |
Countries
China