Peripheral nervous system involvement in chronic spinal cord injury

ABSTRACT Introduction: Upper motor neuron disorders are believed to leave the peripheral nervous system (PNS) intact. In this study we examined whether there is evidence of PNS involvement in spinal cord injury (SCI). Methods: Twelve subjects with chronic low cervical or thoracic SCI were included p...

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Veröffentlicht in:Muscle & nerve 2015-12, Vol.52 (6), p.1016-1022
Hauptverfasser: Tankisi, Hatice, Pugdahl, Kirsten, Rasmussen, Mikkel Mylius, Clemmensen, Dorte, Rawashdeh, Yazan F., Christensen, Peter, Krogh, Klaus, Fuglsang-Frederiksen, Anders
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container_end_page 1022
container_issue 6
container_start_page 1016
container_title Muscle & nerve
container_volume 52
creator Tankisi, Hatice
Pugdahl, Kirsten
Rasmussen, Mikkel Mylius
Clemmensen, Dorte
Rawashdeh, Yazan F.
Christensen, Peter
Krogh, Klaus
Fuglsang-Frederiksen, Anders
description ABSTRACT Introduction: Upper motor neuron disorders are believed to leave the peripheral nervous system (PNS) intact. In this study we examined whether there is evidence of PNS involvement in spinal cord injury (SCI). Methods: Twelve subjects with chronic low cervical or thoracic SCI were included prospectively. Needle electromyography was done in 10 different muscles in each subject bilaterally. Nerve conduction studies (NCS) were conducted in the fibular, tibial, and femoral motor and fibular and sural sensory nerves. Results: Half the subjects had widespread abnormal spontaneous activity (SA), and the amount of SA correlated inversely with reflex activity and nerve length. Fibular nerve entrapment across the knee was seen in 6 subjects, and sciatic nerve entrapment was seen in 1. Apart from entrapment neuropathies, NCS changes were found predominantly in motor nerves. Conclusion: The presence of widespread electrophysiologic changes outside entrapment sites indicates that SCI has a significant impact on the entire PNS, affecting the motor part predominantly. Muscle Nerve 52: 1016–1022, 2015
doi_str_mv 10.1002/mus.24644
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In this study we examined whether there is evidence of PNS involvement in spinal cord injury (SCI). Methods: Twelve subjects with chronic low cervical or thoracic SCI were included prospectively. Needle electromyography was done in 10 different muscles in each subject bilaterally. Nerve conduction studies (NCS) were conducted in the fibular, tibial, and femoral motor and fibular and sural sensory nerves. Results: Half the subjects had widespread abnormal spontaneous activity (SA), and the amount of SA correlated inversely with reflex activity and nerve length. Fibular nerve entrapment across the knee was seen in 6 subjects, and sciatic nerve entrapment was seen in 1. Apart from entrapment neuropathies, NCS changes were found predominantly in motor nerves. Conclusion: The presence of widespread electrophysiologic changes outside entrapment sites indicates that SCI has a significant impact on the entire PNS, affecting the motor part predominantly. 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In this study we examined whether there is evidence of PNS involvement in spinal cord injury (SCI). Methods: Twelve subjects with chronic low cervical or thoracic SCI were included prospectively. Needle electromyography was done in 10 different muscles in each subject bilaterally. Nerve conduction studies (NCS) were conducted in the fibular, tibial, and femoral motor and fibular and sural sensory nerves. Results: Half the subjects had widespread abnormal spontaneous activity (SA), and the amount of SA correlated inversely with reflex activity and nerve length. Fibular nerve entrapment across the knee was seen in 6 subjects, and sciatic nerve entrapment was seen in 1. Apart from entrapment neuropathies, NCS changes were found predominantly in motor nerves. Conclusion: The presence of widespread electrophysiologic changes outside entrapment sites indicates that SCI has a significant impact on the entire PNS, affecting the motor part predominantly. 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nerve</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Tankisi, Hatice</au><au>Pugdahl, Kirsten</au><au>Rasmussen, Mikkel Mylius</au><au>Clemmensen, Dorte</au><au>Rawashdeh, Yazan F.</au><au>Christensen, Peter</au><au>Krogh, Klaus</au><au>Fuglsang-Frederiksen, Anders</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Peripheral nervous system involvement in chronic spinal cord injury</atitle><jtitle>Muscle &amp; nerve</jtitle><addtitle>Muscle Nerve</addtitle><date>2015-12</date><risdate>2015</risdate><volume>52</volume><issue>6</issue><spage>1016</spage><epage>1022</epage><pages>1016-1022</pages><issn>0148-639X</issn><eissn>1097-4598</eissn><abstract>ABSTRACT Introduction: Upper motor neuron disorders are believed to leave the peripheral nervous system (PNS) intact. 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source MEDLINE; Wiley Online Library Journals Frontfile Complete
subjects Adult
Chronic Disease
Electromyography
Evoked Potentials, Somatosensory - physiology
Female
Humans
Male
Middle Aged
nerve conduction study
Neural Conduction - physiology
peripheral nervous system
Peripheral Nervous System Diseases - diagnosis
Peripheral Nervous System Diseases - etiology
Reaction Time - physiology
Spinal Cord Injuries - complications
spinal cord injury
spontaneous activity
Statistics, Nonparametric
Young Adult
title Peripheral nervous system involvement in chronic spinal cord injury
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