Cauda equina sensory conduction time in normal adult humans

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dc.contributor.authorEkinci, Aysen Suzen
dc.contributor.authorTabakoglu, Aycin Yildiz
dc.contributor.authorOto, Aycan
dc.contributor.authorBademkiran, Fikret
dc.contributor.authorErtekin, Cumhur
dc.date.accessioned2019-10-27T09:41:33Z
dc.date.available2019-10-27T09:41:33Z
dc.date.issued2019
dc.departmentEge Üniversitesien_US
dc.description31st National Clinical Neurophysiology EEG-EMS Congress -- APR09, 2015 -- Antalya, TURKEYen_US
dc.description.abstractObjective: The clinical usefulness of the cauda equina motor conduction time (CE-MCT) is well established either by magnetic or electrical stimulation of the lumbar roots at the lumbar spine levels. However, the cauda equina sensory conduction time (CE-SCT) is not studied systematically in human adults. Methods: Lumbar laminar electrical stimulation from the level of the L1 and L5 vertebrae was applied using needle electrodes. The smallest M-responses obtained from both soleus muscles were considered as the motor threshold for the L1 and L5 motor root levels. Afterwards, with the needles in the same place, the connection cables were removed from the stimulation channel and replaced to the recording channel, then the sensory program of the electromyograph was selected. The posterior tibial nevre was excited with superficia lbipolar electrodes from the popliteal fossa, and after a very slight muscle twitch was observed the intensity was reduced slightly. Therefore, the pure sensory fibers were stimulated. Cauda equina sensory action potentials were recorded and averaged at the laminar levels of L1 and L5 in the spine. Twenty adult normal controls were studied. Results: The monopolar recordings of cauda equina sensory responses at the L1 and L5 laminar levels were measured from their first positive peaks and the CE-SCT was found as 1.9 +/- 0.4 msec (mean +/- SD) and ranged from 1.0 to 2.8 msec. Conclusion: The method of CE-SCT recording and calculation is very easy to use and applicable in all normal adult subjects. The mean CE-SCT value is similar to those found for CE-MTC.en_US
dc.identifier.doi10.5152/NSN.2019.11499
dc.identifier.endpage140en_US
dc.identifier.issn2636-865X
dc.identifier.issn2636-865Xen_US
dc.identifier.issue3en_US
dc.identifier.startpage136en_US
dc.identifier.urihttps://doi.org/10.5152/NSN.2019.11499
dc.identifier.urihttps://hdl.handle.net/11454/28647
dc.identifier.volume36en_US
dc.identifier.wosWOS:000484316100002en_US
dc.identifier.wosqualityQ4en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.language.isoenen_US
dc.publisherEge Univen_US
dc.relation.ispartofNeurological Sciences and Neurophysiologyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectCauda equinaen_US
dc.subjectlaminar stimulationen_US
dc.subjectlumbosacral rootsen_US
dc.subjectsensory and motor conductionen_US
dc.titleCauda equina sensory conduction time in normal adult humansen_US
dc.typeArticleen_US

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