Bupivacaine 0.125% was continuously infused at 5 ml/hour via the perineural catheters, but the SIFICB group showed an increasing trend of pain intensities after 6 h and had median rest and movement pain scores of 4 or more at 12 and 24 h postoperatively.
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Comparing analgesic efficacy of different regional blocks after total hip arthroplasty.
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