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Impact of video-endoscopy on the results of retrosigmoid-transmeatal microsurgery of vestibular schwannoma: prospective study
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SYSNO ASEP 0395441 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Impact of video-endoscopy on the results of retrosigmoid-transmeatal microsurgery of vestibular schwannoma: prospective study Author(s) Chovanec, M. (CZ)
Zvěřina, E. (CZ)
Profant, Oliver (UEM-P)
Skřivan, J. (CZ)
Čakrt, O. (CZ)
Lisý, J. (CZ)
Betka, J. (CZ)Number of authors 7 Source Title European Archives of Oto-Rhino-Laryngology - ISSN 0937-4477
Roč. 270, č. 4 (2013), s. 1277-1284Number of pages 8 s. Language eng - English Country US - United States Keywords vestibular schwannoma ; acoustic neuroma ; endoscopy-assisted microsurgery Subject RIV FH - Neurology Institutional support UEM-P - RVO:68378041 UT WOS 000316818000015 EID SCOPUS 84877634724 DOI 10.1007/s00405-012-2112-6 Annotation Eighty-nine patients with untreated unilateral sporadic vestibular schwannoma were treated by surgical resection via a retrosigmoid approach and in 39 cases endoscopy assisted microsurgical (EA-MS) removal was performed. Endoscopic technique was used for monitoring of neuro-vascular anatomy in CPA, during dissection of the meatal portion of tumors, assessment of radicality and for identification of potential pathways for CSF leak formation. Improved cochlear nerve, brainstem auditory evoked potentials, hearing preservation and better facial nerve function were observed in EA-MS group. There were no significant differences in the postoperative tinnitus and the postoperative hearing handicap inventory in both groups. Adjunctive use of endoscope during the VS surgery due to its magnification and illumination enable superior view in the operative field, helps the surgeon to preserve facial nerve and in selected cases also hearing. Workplace Institute of Experimental Medicine Contact Lenka Koželská, lenka.kozelska@iem.cas.cz, Tel.: 241 062 218, 296 442 218 Year of Publishing 2014
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