ArticleEJVES vascular forum2026
Retroperitoneal Abdominal Aortic Repair With the da Vinci Single Port System: A Porcine Model Feasibility Study.
Article in EJVES vascular forum, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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10 authors.
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Abstract
Objective: Robotic surgery is rarely used in vascular surgery but has demonstrated significant potential compared with open or laparoscopic techniques in reports of abdominal aortic surgery. Enabling a standardised retroperitoneal approach (RPA) to abdominal aortic repair might reduce the peri-operative mortality and morbidity rates associated with a transabdominal approach. The aim of this experimental study was to establish surgical techniques for robotically assisted infrarenal abdominal aortic repair using a single port RPA. Methods: Retroperitoneal abdominal aortic repair was performed in four live porcine models by a group of experienced and novice robotic surgeons. The procedures were performed using the da Vinci SP (single port) surgical system (Intuitive Surgical Inc., Sunnyvale, CA, USA). Polytetrafluoroethylene grafts (W.L. Gore & Associates, Inc., Newark, DE, USA) were implanted after aortic resection. Operating times for the main procedure steps were recorded. Results: Abdominal aortic repair was feasible in all porcine models applying an RPA through a single incision with the da Vinci SP system. Creating the retroperitoneal access and docking the da Vinci SP was quick, with durations ranging from eight to 20 minutes. Proximal and distal anastomoses were completed in 26 minutes (range 19-33 minutes) and 31.3 minutes (range 23-42 minutes), respectively. In porcine models 2-4, the anastomoses were patent without haemorrhage, with aortic pulsations confirmed on release of the cross clamps. Porcine model 1 was pulseless owing to uncontrolled haemorrhage caused by left external iliac artery penetration at the end of the procedure, and patency could not be tested. Conclusion: Retroperitoneal single port robotic aortic repair was technically feasible with high accuracy in live porcine models. Anastomotic times were reasonable and surgeon comfort level was adequate, which may enable transfer into clinical routine in the future when true clinical benefits will need to be proven in additional studies.
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