Neurographic assessment of intramedullary motoneurone lesions in cervical spinal cord injury: consequences for hand function

Spinal Cord
A Curt, V Dietz

Abstract

Examination of hand function and neurography of the median- and ulnar nerves was performed in 15 patients with acute and 26 patients with chronic tetraplegia due to cervical spinal cord injury (SCI). 30% of patients showed a mild and 20% a severe axonal lesion of motor fibres of both nerves. The latter is caused by intramedullary damage of ventral horn cells and anterior nerve roots as neurographic examination of sensory nerve fibres was normal in these patients. The most frequent and severe nerve lesion was present in those with lower cervical spinal cord injuries (C6/7-Th1) where the median and ulnar nerves originate. In the latter patients the development of active hand function, which enables the patient to perform active grasping movements, was closely related to the result of neurography, already early after trauma. The results of median and ulnar neurography in tetraplegia due to cervical SCI allow to differentiate between intramedullary damage of motoneurones and the anterior nerve roots (peripheral nervous system) or the pyramidal tract fibres (central nervous system) within the spinal cord responsible for the paresis of the intrinsic hand muscles. Neurography is of prognostic value in cervical SCI to predict the outco...Continue Reading

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Citations

Jun 1, 1997·Electroencephalography and Clinical Neurophysiology·A CurtV Dietz
May 17, 2005·Journal of Neurotrauma·Jorge E Collazos-CastroManuel Nieto-Sampedro
Dec 20, 2012·Journal of Neurotrauma·Elisa López-DoladoJorge E Collazos-Castro
Nov 4, 2005·Journal of Neurosurgery. Spine·Jorge E Collazos-CastroManuel Nieto-Sampedro
Jan 12, 2013·European Journal of Neurology : the Official Journal of the European Federation of Neurological Societies·T KamradtA Hug
Jan 24, 1998·Archives of Physical Medicine and Rehabilitation·A CurtV Dietz
Dec 12, 2002·Hand Clinics·Bertrand CouletMichel Chammas
Jul 16, 2002·Neurological Research·Milos R PopovicThierry Keller
May 18, 2007·Journal of Nippon Medical School = Nippon Ika Daigaku Zasshi·Yong KimHiromoto Ito
Sep 4, 2012·Physiotherapy Canada. Physiothérapie Canada·Sukhvinder Kalsi-Ryan, Mary C Verrier
May 29, 2016·Archives of Physical Medicine and Rehabilitation·Anne M BrydenGregory A Nemunaitis
Apr 17, 1999·Archives of Physical Medicine and Rehabilitation·J F Ditunno
Aug 6, 2016·Journal of Neurosurgery. Spine·Jayme A Bertelli, Marcos F Ghizoni
Jun 4, 2020·Zhurnal nevrologii i psikhiatrii imeni S.S. Korsakova·F A Bushkov, M A Bzhilyansky
Jan 25, 2020·Nature Reviews. Neurology·Jetan H BadhiwalaMichael G Fehlings
May 22, 2019·Neurological Research and Practice·Andreas HugRüdiger Rupp
Jun 15, 2021·Journal of Neurotrauma·Patricia Del CerroJorge E Collazos-Castro
Jul 25, 2021·The Journal of Pain : Official Journal of the American Pain Society·Jan RosnerJohn L K Kramer

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