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Objective: A complete Cox Maze IV procedure is difficult to accomplish using current endoscopic and minimally invasive techniques. These techniques are hampered by inability to adequately dissect the posterior structures of the heart and place all necessary lesions. We present a novel approach using robotic technology that achieves placement of all the lesions of the complete Maze procedure.
Methods: In three cadaveric human models, the technical feasibility of using robotic instruments through the right chest to dissect the posterior structures of the heart and place all Cox Maze lesions was performed.
Results: The entire posterior aspect of the heart was dissected in the cadaveric model facilitating successful placement of all Cox Maze IV lesions with robotic assistance through minimally invasive incisions.
Conclusion: The robotic Cox Maze IV procedure through the novel right thoracic approach is feasible. This obviates the need for sternotomy and avoids the associated morbidity of the conventional Cox-Maze procedure.