The Korean journal of pain
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The thoracic paravertebral block is an effective analgesic technique for postoperative pain management after breast surgery. The ultrasound-guided retrolaminar block (RLB) is a safer alternative to conventional paravertebral block. Thus, we assessed the analgesic efficacy of ultrasound-guided RLB for postoperative pain management after breast surgery. ⋯ A single injection of ultrasound-guided RLB did not reduce postoperative analgesic requirements following breast surgery.