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  • Title: Robot-assisted laparoscopic intestinal anastomosis.
    Author: Ruurda JP, Broeders IA.
    Journal: Surg Endosc; 2003 Feb; 17(2):236-41. PubMed ID: 12399841.
    Abstract:
    INTRODUCTION: Robotic telemanipulation systems have been introduced recently to enhance the surgeon's dexterity and visualization in videoscopic surgery in order to facilitate refined dissection, suturing, and knot tying. The aim of this study was to demonstrate the technical feasibility of performing a safe and efficient robot-assisted handsewn laparoscopic intestinal anastomosis in a pig model. METHODS: Thirty intestinal anastomoses were performed in pigs. Twenty anastomoses were performed laparoscopically with the da Vinci robotic system (robot-assisted group), the remaining 10 anastomoses by laparotomy (control group). OR time, anastomosis time and complications were recorded. Effectiveness of the laparoscopic anastomoses was evaluated by postoperative observation of 10/20 pigs of the robot-assisted group for 14 days and by testing mechanical integrity in all pigs by measuring passage, circumference, number of stitches, and bursting pressure. These parameters and anastomosis time were compared to the anastomoses performed in the control group. RESULTS: In all cases of the robot-assisted group the procedure was completed laparoscopically. The only perioperative complication was an intestinal perforation, caused by an assisting instrument. The median procedure time was 77 min. Anastomosis time was longer in the laparoscopic cases than in the controls (25 vs 10 min; p <0.001). Postoperatively, one pig developed an ileus, based on a herniation of the spiral colon through a trocar-port. For this reason it was terminated on the sixth postoperative day. All anastomoses of the robot-assisted group were mechanically intact and all parameters were comparable to those of the control group. CONCLUSION: Technical feasibility of performing a safe and efficient robot-assisted laparoscopic intestinal anastomosis in a pig model was repeatedly demonstrated in this study, with a reasonable time required for the anastomosis.
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