Analgesic Impact of Single-Shot Versus Continuous Femoral Nerve Block After Total Knee Arthroplasty: A Systematic Review and Meta-Analysis

Introduction Efficient pain management after total knee arthroplasty will accelerate functional recovery and reduce the length of hospital stay. The femoral nerve block is increasingly used in clinical practice owing to its favorable analgesic efficacy. However, the effect of continuous femoral nerve block compared to single-shot femoral nerve block remains controversial.