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Pregled bibliografske jedinice broj: 726892

Časopis

Autori: Rogić Vidaković, Maja; Zmajević Schönwald Marina; Rotim, Krešimir; Jurić, Tomislav; Vulević, Zoran; Tafra, Robert; Banožić, Adriana; Hamata, Željko, Đogaš, Zoran
Naslov: Excitability of contralateral and ipsilateral projections of corticobulbar pathways recorded as corticobulbar motor evoked potentials of the cricothyroid muscles
( Excitability of contralateral and ipsilateral projections of corticobulbar pathways recorded as corticobulbar motor evoked potentials of the cricothyroid muscles )
Izvornik: Clinical neurophysiology (1388-2457) 126 (2015), 8; 1570-1577
Vrsta rada: članak
Ključne riječi: cricothyroid muscles ; evoked potentials motor ; electric stimulation transccutaneus ; transcranial magnetic stimulation ; motor cortex ; corticobulbar tracts
( cricothyroid muscles ; evoked potentials motor ; electric stimulation transccutaneus ; transcranial magnetic stimulation ; motor cortex ; corticobulbar tracts )
Sažetak:
The objective of this study was to evaluate the excitability of contralateral and ipsilateral corticobulbar pathways, using the methodologies of navigated transcranial magnetic stimulation (nTMS) and transcranial electrical stimulation (TES). In 11 healthy subjects, the primary motor cortex (M1) for laryngeal muscles was mapped with nTMS in both hemispheres and the corticobulbar motor evoked potentials (CoMEPs) were recorded from the right cricothyroid muscle. In 15 patients undergoing left craniotomy, CoMEPs were obtained from cricothyroid muscles bilaterally, using TES over C3/Cz and C4/Cz. In five out of 11 healthy subjects, both contralateral and ipsilateral CoMEPs were recorded from the right cricothyroid muscle. In eight out of 15 patients, contralateral and ipsilateral CoMEPs were elicited with TES over C3/Cz, while in five out of 15 patients contralateral and ipsilateral CoMEPs were elicited with TES over C4/Cz. Contralateral CoMEP amplitude responses were significantly larger compared to ipsilateral CoMEP amplitudes in both groups. CONCLUSION: We obtained significantly larger amplitude responses of contralateral CoMEPs from cricothyroid muscles compared to ipsilateral CoMEP amplitude using nTMS in healthy subjects and TES in patients. This confirms the bilateral nature of corticobulbar pathway projections for laryngeal muscles, with contralateral domination. These findings will influence recording of CoMEPs during preoperative and intraoperative mapping of M1 for laryngeal muscle representation, and they facilitate the pathophysiologic research of motor speech disorders.
Izvorni jezik: eng
Rad je indeksiran u
bazama podataka:
Current Contents Connect (CCC)
MEDLINE
Scopus
SCI-EXP, SSCI i/ili A&HCI
Science Citation Index Expanded (SCI-EXP) (sastavni dio Web of Science Core Collectiona)
Kategorija: Znanstveni
Znanstvena područja:
Temeljne medicinske znanosti
URL Internet adrese: http://www.sciencedirect.com/science/article/pii/S1388245714007287
Broj citata:
Altmetric:
DOI: 10.1016/j.clinph.2014.11.001
URL cjelovitog teksta:
Google Scholar: Excitability of contralateral and ipsilateral projections of corticobulbar pathways recorded as corticobulbar motor evoked potentials of the cricothyroid muscles
Upisao u CROSBI: Maja Rogić Vidaković (maja.rogic@mefst.hr), 4. Stu. 2014. u 11:54 sati
Napomene:
Final version published online: 3-JUL-2015



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