Endoscopic robot-assisted C7 nerve root retrophalangeal transfer from the contralateral healthy side: A cadaver feasibility study

Publication date: Available online 16 June 2017
Source:Annales de Chirurgie Plastique Esthétique
Author(s): C. Bijon, L. Chih-Sheng, D. Chevallier, N. Tran, F. Xavier, P. Liverneaux
Controlateral C7 nerve root transfer in brachial plexus palsy requires a nerve graft and large incisions. This study investigated the feasibility of transferring the right C7 to the left C7 nerve root, without a graft, via a minimally invasive retropharyngeal approach. After installation of 6 trocars of 1cm diameter in the supraclavicular space, a Da Vinci SI^® robot was placed. After locating the right brachial plexus, the C7 root was sectioned flush with the clavicle, transferred behind the pharynx and sutured to the left C7 root severed at the foramen level. The duration of the procedure was 2h40min. No technical difficulties were encountered. The hypothesis of this work was verified since it was possible to carry out a transfer of the right C7 root on the left C7 root by direct retropharyngeal suture without graft and by a minimally invasive technique.



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