Purpose: Previous robot-assisted total colectomy/total proctocolectomy (TC/TPC) has been mostly confined to completion proctectomy combined with open or laparoscopic colon dissection. This study describes an integrative method of entirely robot-assisted maintaining anatomical dissection with single docking and one-off arm placement.
Materials And Methods: Twenty patients who underwent robot-assisted TC/TPC and 36 who underwent laparoscopic procedures at the Asan Medical Center (Seoul, Korea) were enrolled.
Results: Mean operation time was ∼1 hour longer in the robot-assisted than in the laparoscopic group (P=0.003), due primarily to the extra time required for instrument installation and more frequent transient ileal diversion. Three patients (8%) in the laparoscopic group required conversion to open surgery, compared with none in the robot-assisted group. Rates of postoperative adverse events did not differ in the 2 groups (P=0.063). Short (8 cm) ileal pouches were applied to all patients who underwent robot-assisted TPC/ileal-pouch anal anastomosis, but to one patient who underwent laparoscopic surgery. There were no discrepancies of mean daily bowel movement between patients with short and long ileal pouches 6 months after surgery (P=0.694), showing 5 times per day (range: 1 to 10).
Conclusion: The advantages of the boom system and motion-sensitive table were successfully utilized to integrate anatomical dissection with the multiquadrant procedures of TC/TPC, with none of these patients requiring conversion to open surgery. Refinement of these techniques may overcome some of the technical and time-related and cost-related concerns of the robotic approach.
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