Comparison of Bilateral Transversus Abdominis Plane Block with Exparel versus Continuous Epidural Analgesia with Bupivacaine: A Randomized, Controlled Trial. The purpose of this study is to compare the analgesic efficacy of transversus abdominis plane block (TAP) with liposomal bupivacaine (Exparel) and continuous epidural blocks in patients who are scheduled for abdominal surgery.
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