Total Knee Replacement can be performed under the combination of posterior lumbar plexus block plus sciatic nerve block. The investigators can have the same outcome by performing instead of posterior lumbar plexus block more peripheral nerve blocks. More specifically under the combination of sciatic nerve block plus femoral nerve block plus obturator nerve block.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
SUPPORTIVE_CARE
Masking
NONE
Enrollment
100
Larissa University Hospital
Larissa, Thessally, Greece
RECRUITINGFeasibility of TKR surgery under ultrasound guided sciatic nerve block plus femoral nerve block plus obturator nerve block measured with Pain Score on the Visual Analog Scale
If the patient complains for pain \> 4 in VAS and there is no relief with fentanyl administration the anesthesia plan converts to general anesthesia with laryngeal mask
Time frame: Completion of surgery
Intraoperative opioid consumption for TKR surgery under ultrasound guided sciatic nerve block plus femoral nerve block plus obturator nerve block
Time frame: Intaoperatively
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