[Effect of ultrasound-guided continuous quadratus lumborum block on the quality of early postoperative recovery in elderly patients undergoing total hip arthroplasty].

Objective: To investigate the effect of ultrasound-guided continuous quadratus lumborum block(CQLB) on the quality of early postoperative recovery in elderly patients undergoing total hip arthroplasty. Methods: A total of 80 elderly patients who unde…

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