The relationships of motor-evoked potentials to hand dexterity, motor function, and spasticity in chronic stroke patients: A transcranial magnetic stimulation study

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dc.authorid0000-0003-4095-2076
dc.contributor.authorÇakar, Engin
dc.contributor.authorAkyüz, Gülseren
dc.contributor.authorDurmuş, O?uz
dc.contributor.authorBayman, Levent
dc.contributor.authorYağcı, İlker
dc.contributor.authorKaradağ Saygı, Evrim
dc.contributor.authorGündüz, Osman Hakan
dc.date.accessioned10.07.201910:49:13
dc.date.accessioned2019-07-10T19:35:31Z
dc.date.available10.07.201910:49:14
dc.date.available2019-07-10T19:35:31Z
dc.date.issued2016
dc.departmentİstanbul Medipol Üniversitesi, Tıp Fakültesi, Dahili Tıp Bilimleri Bölümü, Fizik Tedavi ve Rehabilitasyon Ana Bilim Dalı
dc.description.abstractThe standardization of patient evaluation and monitoring methods has a special importance in evaluating the effectiveness of therapeutic methods using drugs or rehabilitative techniques in stroke rehabilitation. The aim of this study was to investigate the relationships between clinical instruments and transcranial magnetic stimulation (TMS)-evoked neurophysiological parameters in stroke patients. This study included 22 chronic post-stroke patients who were clinically assessed using the Motricity Index (MI), finger-tapping test (FTT), Motor Activity Log (MAL) 28, Brunnstrom motor staging and Ashworth Scale (ASH). Motor-evoked potential (MEP) latency and amplitude, resting motor threshold (rMT) and central motor conduction time (CMCT) were measured with TMS. Shorter MEP-latency, shorter CMCT, higher motor-evoked potential amplitude, and diminished rMT exhibited significant correlations with clinical measures evaluating motor stage, dexterity, and daily life functionality. rMT exhibited a negative correlation with hand and lower extremity Brunnstrom stages (r = -0.64, r = -0.51, respectively), MI score (r = -0.48), FTT score (r = -0.69), and also with amount of use scale and quality of movement scale of MAL 28 scores (r = -0.61, r = -0.62, respectively). Higher MEP amplitude and diminished rMT showed positive correlations with reduced ASH score (r = -0.65, r = 0.44, respectively). The TMS-evoked neurophysiologic parameters including MEP latency, amplitude, rMT and CMCT generally have positive correlation with clinical measures which evaluate motor stage, dexterity and daily life functionality. Additionally, spasticity has also remarkable relationships with MEP amplitude and rMT. These results suggest that TMS-evoked neurophysiological parameters were useful measures for monitoring post-stroke patients.
dc.identifier.citationÇakar, E., Akyüz, G., Durmuş, O., Bayman, L., Yağcı, İ., Karadağ Saygı, E. ... Gündüz, O. H. (2016). The relationships of motor-evoked potentials to hand dexterity, motor function, and spasticity in chronic stroke patients: a transcranial magnetic stimulation study. Acta Neurologica Belgica, 116(4), 481-487. https://dx.doi.org/10.1007/s13760-016-0633-2
dc.identifier.doi10.1007/s13760-016-0633-2
dc.identifier.endpage487
dc.identifier.issn0300-9009
dc.identifier.issue4
dc.identifier.scopusqualityQ3
dc.identifier.startpage481
dc.identifier.urihttps://hdl.handle.net/20.500.12511/826
dc.identifier.urihttps://dx.doi.org/10.1007/s13760-016-0633-2
dc.identifier.volume116
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherSpringer
dc.relation.ispartofActa Neurologica Belgicaen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectDexterity
dc.subjectMotor-Evoked Potential
dc.subjectNeurorehabilitation
dc.subjectSpasticity
dc.subjectTranscranial Magnetic Stimulation
dc.titleThe relationships of motor-evoked potentials to hand dexterity, motor function, and spasticity in chronic stroke patients: A transcranial magnetic stimulation study
dc.typeArticle

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