Motor Interconnections Between Superior and Inferior Laryngeal Nerves

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dc.contributor.authorGürleyik, Emin
dc.date.accessioned2020-04-30T23:19:22Z
dc.date.available2020-04-30T23:19:22Z
dc.date.issued2018
dc.departmentDÜ, Tıp Fakültesi, Cerrahi Tıp Bilimleri Bölümüen_US
dc.descriptionWOS: 000450937400086en_US
dc.descriptionPubMed: 29774175en_US
dc.description.abstractIntroduction Anatomical studies on human cadavers have established anastomoses between laryngeal nerves. However, we need to functionally identify motor communication via these anastomoses between the recurrent laryngeal nerve (RLN) and the external branch of the superior laryngeal nerve (EBSLN) in living bodies. We aim to establish motor interconnections using intraoperative nerve monitoring (IONM). Methods IONM of 112 EBSLNs and RLNs in 62 thyroidectomy cases was used to establish motor functions of laryngeal nerves. Electrophysiological parameters were recorded, and cricothyroid muscle (CTM) contraction was observed after stimulation of laryngeal nerves. Results Eighty (71.4%) EBSLNs were visually identified, and 109 (97.3%) EBSLNs were functionally identified with CTM contraction. Stimulation of 74 (67.9%) EBSLNs induced contraction of laryngeal muscles and generated wave amplitude from intrinsic laryngeal musculature. The stimulation of the RLN induced CTM contraction in 65 (58%) of the 112 muscles. The mean conductivity powers of the EBSLN and of the RLN to intrinsic laryngeal musculature were calculated as 231.3 mu V and 1354.5 mu V, respectively. Conclusion Recordable waveform amplitude with EBSLN stimulation yielded motor relations between laryngeal nerves. CTM contraction after stimulation of the RLN confirmed these relations. These results of IONM established motor interconnections between superior and inferior laryngeal nerves in the majority of patients. The EBSLN may have an effect on motor innervations for intrinsic laryngeal muscles via motor interconnections.en_US
dc.identifier.doi10.7759/cureus.2337en_US
dc.identifier.issn2168-8184
dc.identifier.issue3en_US
dc.identifier.urihttps://doi.org/10.7759/cureus.2337
dc.identifier.urihttps://hdl.handle.net/20.500.12684/3738
dc.identifier.volume10en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherCureus Incen_US
dc.relation.ispartofCureusen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectthyroiden_US
dc.subjectgoiteren_US
dc.subjectsurgeryen_US
dc.subjectionmen_US
dc.subjectebslnen_US
dc.subjectrlnen_US
dc.titleMotor Interconnections Between Superior and Inferior Laryngeal Nervesen_US
dc.typeArticleen_US

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