The use of extended release bupivacaine with transversus abdominis plane and subcostal anterior quadratus lumborum catheters: A retrospective analysis of a novel technique

Background and Aims: Liposomal bupivacaine (LB) is a formulation of local anesthetic that may exert analgesia over a prolonged period.Anecdotal use of LB suggests benefit and prolonged analgesia when used to supplement infiltration blocks.Our aim was to test the effect of a bolus of LB delivered through a nerve catheter medicator pump in two types

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