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Early Experience Using a New Robotic Microsurgical System for Lymphatic Surgery.

ABSTRACT: Robotic microsurgery has emerged as a new technology with potential benefits for reconstructive surgery. We report the first-in-human use of the Symani surgical system to perform lympho-venous and arterial anastomosis for lymphatic reconstruction. In five patients, 10 robot-assisted anastomoses were performed. Next to lympho-venous anastomoses, two patients received a free vascularized lymph node transfer. Motion scaling was set to 10×. Visualization was either achieved with a 3D system or an optical microscope. All anastomoses were patent as confirmed by ICG. Despite a longer time to perform the first anastomoses with the robot, we observed a decline in duration of anastomosis. Among the advantages of the system were a high accuracy in placing the stitches even in very small and fragile vessels or when performing anastomoses with size mismatches. The challenges encountered included the lack of a touch sensation and the necessity to develop a "see-feel." This could be achieved surprisingly well because the force necessary to close dilator and needle holder via the manipulators was perceived as comparable to using conventional micro instruments. Our data confirm feasibility and safety of the robotic system to perform lymphatic surgery. Larger patient cohorts and inclusion of surgeons at different training levels will be necessary to investigate the true potential of robotics in microsurgery. In addition, robot-assisted surgery shows a promising potential in opening up new frontiers in reconstructive microsurgery (eg, the reliable performance of anastomoses on even smaller blood and lymphatic vessels or on structures deeper within the body cavities-eg, the thoracic duct).

SUBMITTER: Lindenblatt N

PROVIDER: S-EPMC8747501 | biostudies-literature |

REPOSITORIES: biostudies-literature

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