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Robotic intercostal nerve graft for reversal of thoracic sympathectomy: a large animal feasibility model.
BACKGROUND: A subset of patients who undergo video-assisted thoracoscopic sympathectomy for hyperhydrosis develop post-procedure compensatory sweating that is perceived as more debilitating than their initial complaints. We propose a novel treatment to reverse sympathectomy by implantation of an intercostal nerve graft using the da Vinci robot.
METHODS: A robotic swine model was established using single-lung ventilation and four ports. The pleura was incised and a representative segment of sympathetic chain was transected. A nearby intercostal nerve was harvested and sutured to the sympathetic chain using four interrupted 10-0 nylon sutures on the epineurium.
RESULTS: The intercostal nerve was an excellent size match and post-procedure necropsy yielded successful anastomoses without apparent complications.
CONCLUSIONS: Robotic intercostal nerve grafting for reversal of thoracic sympathectomy is technically feasible. The robotic device allows the principles of neural microsurgery to be maintained and provides a minimally invasive option for reconstruction of the sympathetic chain.
METHODS: A robotic swine model was established using single-lung ventilation and four ports. The pleura was incised and a representative segment of sympathetic chain was transected. A nearby intercostal nerve was harvested and sutured to the sympathetic chain using four interrupted 10-0 nylon sutures on the epineurium.
RESULTS: The intercostal nerve was an excellent size match and post-procedure necropsy yielded successful anastomoses without apparent complications.
CONCLUSIONS: Robotic intercostal nerve grafting for reversal of thoracic sympathectomy is technically feasible. The robotic device allows the principles of neural microsurgery to be maintained and provides a minimally invasive option for reconstruction of the sympathetic chain.
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