Medical principles and practice : international journal of the Kuwait University, Health Science Centre
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Randomized Controlled Trial
Ultrasound-Guided Continuous Femoral Nerve Block with Dexmedetomidine Combined with Low Concentrations of Ropivacaine for Postoperative Analgesia in Elderly Knee Arthroplasty.
This study aims to investigate the clinical effect of dexmedetomidine (DEX) combined with low concentrations of ropivacaine in ultrasound-guided continuous fem-oral nerve block for postoperative analgesia in elderly patients with total knee arthroplasty (TKA). ⋯ X.-Y.Z. and E.-F.Z. have contributed equally to this research.