Posterior Transversus Abdominis Plane (TAP) Catheters in Lower Abdominal Surgery

Objective: Single shot transversus abdominis plane (TAP) blocks have gained popularity as an analgesic tool after abdominal surgery. Wepresent two cases where catheters were placed in the posterior transversus abdominis plane for providing continuous analgesia after lowerabdominal surgery. Patient one was admitted for laparoscopy assisted left hemicolectomy and bilateral posterior catheters under ultrasoundguidance provided excellent analgesia over 72 hours. Patient two had laparoscopy assisted right hemicolectomy. He was given continuousTAP bilateral block by posterior catheters that provided adequate analgesia for 72 hours. Posterior TAP catheters placed posteriorly waseffective for postoperative pain management in patient.