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Article: Effect of stimulus pulse duration on intraoperative somatosensory evoked potential (SEP) monitoring

TitleEffect of stimulus pulse duration on intraoperative somatosensory evoked potential (SEP) monitoring
Authors
KeywordsAmplitude
Intraoperative spinal cord monitoring
Latency
Somatosensory evoked potential
Stimulus pulse duration
Issue Date2001
PublisherLippincott Williams & Wilkins. The Journal's web site is located at http://www.jspinaldisorders-tech.com
Citation
Journal Of Spinal Disorders, 2001, v. 14 n. 3, p. 247-251 How to Cite?
AbstractThe effect of the stimulus duration on the amplitude and latency of intraoperative somatosensory evoked potential (SEP) was studied in 30 patients with idiopathic scoliosis undergoing surgery. Constant current square-wave electrical stimulation was applied to the posterior tibial nerve at a rate of 5.1 Hz. The effects of both the pulse duration and the stimulus current density on the intraoperative SEP were evaluated. Amplitudes and latencies of SEP were analyzed by one-way parametric analysis of variance. SEP signal recording was found to be difficult if the stimulus duration was less than 0.05 ms. The stimulus duration had no significant effect on the latencies of the SEP, but the amplitude of the SEP showed significant changes with differing stimulus durations. The SEP amplitudes were found with significant increases in pulse durations less than 0.3 ms. Stimulus pulse duration has a significant effect on SEP amplitude, and this should be taken into consideration during intraoperative SEP monitoring. A pulse duration of 0.3 ms is recommended for SEP using posterior tibial nerve stimulation.
Persistent Identifierhttp://hdl.handle.net/10722/79520
ISSN
2001 Impact Factor: 0.742
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorLuk, KDKen_HK
dc.contributor.authorHu, Yen_HK
dc.contributor.authorLu, WWen_HK
dc.contributor.authorWong, YWen_HK
dc.date.accessioned2010-09-06T07:55:36Z-
dc.date.available2010-09-06T07:55:36Z-
dc.date.issued2001en_HK
dc.identifier.citationJournal Of Spinal Disorders, 2001, v. 14 n. 3, p. 247-251en_HK
dc.identifier.issn0895-0385en_HK
dc.identifier.urihttp://hdl.handle.net/10722/79520-
dc.description.abstractThe effect of the stimulus duration on the amplitude and latency of intraoperative somatosensory evoked potential (SEP) was studied in 30 patients with idiopathic scoliosis undergoing surgery. Constant current square-wave electrical stimulation was applied to the posterior tibial nerve at a rate of 5.1 Hz. The effects of both the pulse duration and the stimulus current density on the intraoperative SEP were evaluated. Amplitudes and latencies of SEP were analyzed by one-way parametric analysis of variance. SEP signal recording was found to be difficult if the stimulus duration was less than 0.05 ms. The stimulus duration had no significant effect on the latencies of the SEP, but the amplitude of the SEP showed significant changes with differing stimulus durations. The SEP amplitudes were found with significant increases in pulse durations less than 0.3 ms. Stimulus pulse duration has a significant effect on SEP amplitude, and this should be taken into consideration during intraoperative SEP monitoring. A pulse duration of 0.3 ms is recommended for SEP using posterior tibial nerve stimulation.en_HK
dc.languageengen_HK
dc.publisherLippincott Williams & Wilkins. The Journal's web site is located at http://www.jspinaldisorders-tech.comen_HK
dc.relation.ispartofJournal of Spinal Disordersen_HK
dc.rightsJournal of Spinal Disorders. Copyright © Lippincott Williams & Wilkins.en_HK
dc.subjectAmplitudeen_HK
dc.subjectIntraoperative spinal cord monitoringen_HK
dc.subjectLatencyen_HK
dc.subjectSomatosensory evoked potentialen_HK
dc.subjectStimulus pulse durationen_HK
dc.titleEffect of stimulus pulse duration on intraoperative somatosensory evoked potential (SEP) monitoringen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0895-0385&volume=14&issue=3&spage=247&epage=251&date=2001&atitle=Effect+of+stimulus+pulse+duration+on+intraoperative+somatosensory+evoked+potential+(SEP)+monitoringen_HK
dc.identifier.emailLuk, KDK:hcm21000@hku.hken_HK
dc.identifier.emailHu, Y:yhud@hku.hken_HK
dc.identifier.emailLu, WW:wwlu@hku.hken_HK
dc.identifier.authorityLuk, KDK=rp00333en_HK
dc.identifier.authorityHu, Y=rp00432en_HK
dc.identifier.authorityLu, WW=rp00411en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1097/00002517-200106000-00010en_HK
dc.identifier.pmid11389376-
dc.identifier.scopuseid_2-s2.0-0034975102en_HK
dc.identifier.hkuros60032en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0034975102&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume14en_HK
dc.identifier.issue3en_HK
dc.identifier.spage247en_HK
dc.identifier.epage251en_HK
dc.identifier.isiWOS:000169205700010-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridLuk, KDK=7201921573en_HK
dc.identifier.scopusauthoridHu, Y=7407116091en_HK
dc.identifier.scopusauthoridLu, WW=7404215221en_HK
dc.identifier.scopusauthoridWong, YW=36247941700en_HK

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