* Comparison study of analgesic effects for dexmedetomidine-fentanyl vs dexmedetomidine-ketamine * lateral position for spinal anesthesia in femur proximal fracture patients
* Dexmedetomidine (1mcg/kg)- fentanyl (1mcg/kg) vs dexmedetomidine (1mcg/kg) - ketamine (1mg/kg) 10 minutes loading. * After 10 minutes of drug infusion, patients are prepared for spinal anesthesia. * pain scale and quality of patient positioning are measured three times (lateral position, chest-knee position, intrathecal local anesthetics injection) * When patients have severe pain during intraoperative period, fentanyl 50 mcg will be intravenously inject. * Patients will be injected propofol 10mg when they have agitation signs during operation. * vital signs, bispectral index, korean version of mini mental status examination, verbal rating scale,fentany/propofol consumption, frequency of intrathecal injection
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
OTHER
Masking
QUADRUPLE
Enrollment
46
dexmedetomidine infusion during spinal anesthesia
add dexmedetomidine during position change
add dexmedetomidine during position change
Haeundae paik hospital, inje university
Busan, South Korea
Pain Score Using Five Scales
We want to compare pain score (five scales; 0=calm, 1=facial grimacing, 2=moaning, 3=screaming, 4=restlessness or agitation, unable to proceed) when patients are lateral position during spinal anesthesia.
Time frame: average 10-20 minutes
Quality of Patient Positioning
We estimate quality of patient positioning (0=not satisfactory, 1=satisfactory, 2=good, 3=optimal) during spinal anesthesia between two groups.
Time frame: average 10-20 minutes during spinal anesthesia
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