4.6 Article

Reproduction of modified Blumgart pancreaticojejunostomy in a robotic environment: a simple clipless technique

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SPRINGER
DOI: 10.1007/s00464-022-09397-2

Keywords

Pancreaticoduodenectomy; Pancreatojejunostomy; Blumgart anastomosis; Robotic surgery

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This study details the technical tips for performing clipless modified Blumgart anastomosis (MBA) in a robotic environment. The results show that the robotic approach has acceptable short-term outcomes, with longer operation time but lower blood loss and shorter hospital stay compared to open surgery.
Background Although modified Blumgart anastomosis (MBA) in robotic pancreaticoduodenectomy has been accepted as a simple and safe procedure that provides non-inferior surgical outcomes compared to open MBA, the details of the standardization of robotic MBAs have never been established. In this report, we detail the technical tips to reproduce MBA in the robotic environment. Materials and methods From January to December in 2021, 16 patients underwent our novel robotic MBA technique, which included clipless Blumgart suture and duct-to-mucosa anastomosis. To simplify the manipulation of sutures in robotic environment, short double-armed sutures in 15 cm length were created and used for Blumgart suture. Duct-to-mucosa anastomosis were done by 5-0 monofilament of 6 cm length. These tips enabled clipless anastomosis and minimized the burden of the patient-side assistant. Surgical and short-term outcomes were compared between patients with robotic MBA (Robo group) and those who underwent open MBA during 2021 (32 patients, Open group). Results The median operation time was significantly longer in the Robo group than in the Open group (551 vs. 485.5 min, P = 0.0027). Estimated blood loss was significantly lower in the Robo group than in the open group (95 vs. 355 mL, P < 0.0002). The median duration of clipless MBA in the Robo group was 56 (46-68) min. The incidence of POPF (grade B or C) was not significantly different among the groups (19% vs. 22%, P = 0.71). The mean length of hospital stay was significantly shorter in the Robo group than in the Open group (18 vs. 24 days, P = 0.019). Conclusion Clipless MBA in a robotic environment was safely performed with acceptable short-term outcomes and can be proposed as a standard technique for robotic pancreatojejunostomy.

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