Effectiveness of Analgesia in Total Knee Arthroplasty

Comparison of the Analgesic Effect of Femoral Nerve Block, Intraarticular Infiltration or a Combination of Both in the Control of Pain in Total Knee Arthroplasty

The purpose of this study is to compare the analgesic effectiveness of three techniques: the femoral nerve block, intraarticular infiltration or a combination of both in the control of pain in total knee arthroplasty (KA). The hypothesis to be tested in this study is that the performance multimodal postoperative pain KA combining two analgesic techniques to obtain better analgesia than when applied separately.

Inclusion Criteria:

• intervention program for total knee arthroplasty
• ASA I, II, III
• over 65 years old

Exclusion Criteria:

• ASA > III
• patients who refuse the realization of technical loco-regional anesthesia
• presence of coagulopathy or impaired hemostatic function
• BMI > 35
• Serious intraoperative complications
• patients undergoing bypass and aortic-femoral or femoro popliteal bypass operated leg
• patients treated for chronic pain diagnosed processes, different knee osteoarthritis