Knee osteoarthritis
Conditions
Interventions
Group A:Intrathecal dexmedetomidine
Group B:Intravenous pumping of dexmedetomidine
Group C:Intravenous pumping of saline
Sponsors
Binzhou Medical University Hospical
Eligibility
Sex/Gender
All
Age
18 Years to 75 Years
Inclusion criteria
Inclusion criteria: Patients aged 20-75 years with ASA class I-II knee arthroscopy
Exclusion criteria
Exclusion criteria: Patients with contraindications to subarachnoid block, history of allergy to local anesthetics or dextromethorphan, chronic analgesic use, atrioventricular block or unstable cardiovascular disease, block failure or need for induction of general anesthesia were excluded from the study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Total analgesic time;Total time of sensory block;Total time of motor block; | — |
Secondary
| Measure | Time frame |
|---|---|
| Incidence of bradycardia;Incidence of hypotension;Ramsay sedation score; | — |
Countries
China
Contacts
Public ContactQuanyi Zhang
Binzhou Medical University Hospical
Outcome results
None listed