Author/Editor     Lanišnik, Boštjan; Žargi, Miha; Rodi, Zoran
Title     Electrophysiologic analysis of injury to cranial nerve XI during neck dissection
Type     članek
Vol. and No.     Letnik 38, št. S1
Publication year     2016
Volume     str. E372-E376
ISSN     1097-0347 - Head & neck
Language     eng
Abstract     Background. Despite preservation of the accessory nerve, a considerable number of patients report partial nerve damage after modified radical neck dissection (MRND) and selective neck dissection (SND). Methods. Accessory nerve branches for the trapezius muscle were stimulated during neck dissection, and the M wave amplitude was measured during distinct surgical phases. Results. The accessory nerve was mapped in 20 patients. The M wave recordings indicated that major nerve damage occurred during dissection at levels IIa and IIb in the most proximal segment of the nerve. The M waves evoked from this nerve segment decreased significantly during surgery (analysis of variance; p= .001). Conclusion. The most significant intraoperative injury to the accessory nerve during neck dissection occurs at anatomical nerve levels IIa and IIb.
Keywords     akcesorni živec
vrat, disekcija
medoperativne poškodbe
živec, kartiranje
elektrofiziološka analiza