Dexmedetomidine is often used for sedation procedures. It has also been shown to have a pain-protective effect. Researchers predicted that using dexmedetomidine for sedation in total knee arthroplasties performed under spinal anesthesia would reduce the frequency of rebound pain and pain scores.
Randomization will take place before the patient enters the operating room. After spinal anesthesia is applied, 0.4 mcg/kg sedadomide loading will be done for 10 minutes in the sedation group, and then 0.4 mcg/kg/h sedadomide infusion will continue until the end of the surgery. Patients selected for the control group will be given the same amounts of saline. At the end of the surgical procedure, saline and sedadomide infusions will be stopped. All patients will undergo an adductor canal block under USG guidance in the recovery room. 50 mg of buvacin will be given to the block area. Patients will be fitted with a patient control analgesia device, which only provides bolus application and provides 20 mg of madol in each bolus. Postoperatively, sudden onset severe withdrawal pain outside the normal course of pain starting within 48 hours will be followed and Vas-bromage monitoring will be done at 0, 1, 2, 4, 8, 12, 24, 36, 48 hours.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
OTHER
Masking
DOUBLE
Enrollment
84
Patient group to be given dexmedetomidine
Patient group to be given salin
Ankara Bilkent City Hospital
Ankara, ÇANKAYA, Turkey (Türkiye)
Rebound pain VAS scores and incidence of rebound pain
Rebound pain-defined as transient acute postoperative pain within 12-24hrs that ensues following resolution of sensory blocked.
Time frame: 48 hours after surgery
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