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Neurology International
Volume 7
Issue 3
10.4081/ni.2015.6207
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Neurology International is published by MDPI from Volume 12 Issue 3 (2020). Previous articles were published by another publisher in Open Access under a CC-BY licence, and they are hosted by MDPI on mdpi.com as a courtesy and upon agreement with PAGEPress.
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Article

Palm to Finger Ulnar Sensory Nerve Conduction

by
Eduardo Davidowich
1,
Osvaldo J.M. Nascimento
1,*,
Marco Orsini
1,
Camila Pupe
1,
Bruno Pessoa
1,
Caroline Bittar
1,
Karina Lebeis Pires
1,
Carlos Bruno
1,
Bruno Mattos Coutinho
1,
Olivia Gameiro de Souza
1,
Pedro Ribeiro
2,
Bruna Velasques
2,
Juliana Bittencourt
2,
Silmar Teixeira
3 and
Victor Hugo Bastos
3
1
Antônio Pedro University Hospital, Fluminense Federal University, Niterói
2
Laboratório de Mapeamento Cerebral, Rio de Janeiro Federal University
3
Universidade Federal do Piaiu, Parnaiba, Brazil
*
Author to whom correspondence should be addressed.
Neurol. Int. 2015, 7(3), 6207; https://doi.org/10.4081/ni.2015.6207
Submission received: 17 September 2015 / Revised: 2 November 2015 / Accepted: 12 December 2015 / Published: 29 December 2015

Abstract

Ulnar neuropathy at the wrist (UNW) is rare, and always challenging to localize. To increase the sensitivity and specificity of the diagnosis of UNW many authors advocate the stimulation of the ulnar nerve (UN) in the segment of the wrist and palm. The focus of this paper is to present a modified and simplified technique of sensory nerve conduction (SNC) of the UN in the wrist and palm segments and demonstrate the validity of this technique in the study of five cases of type III UNW. The SNC of UN was performed antidromically with fifth finger ring recording electrodes. The UN was stimulated 14 cm proximal to the active electrode (the standard way) and 7 cm proximal to the active electrode. The normal data from amplitude and conduction velocity (CV) ratios between the palm to finger and wrist to finger segments were obtained. Normal amplitude ratio was 1.4 to 0.76. Normal CV ratio was 0.8 to 1.23.We found evidences of abnormal SNAP amplitude ratio or substantial slowing of UN sensory fibers across the wrist in 5 of the 5 patients with electrophysiological-definite type III UNW.
Keywords: ulnar nerve; wrist; neuropathy; nerve conduction ulnar nerve; wrist; neuropathy; nerve conduction

Share and Cite

MDPI and ACS Style

Davidowich, E.; Nascimento, O.J.M.; Orsini, M.; Pupe, C.; Pessoa, B.; Bittar, C.; Pires, K.L.; Bruno, C.; Coutinho, B.M.; de Souza, O.G.; et al. Palm to Finger Ulnar Sensory Nerve Conduction. Neurol. Int. 2015, 7, 6207. https://doi.org/10.4081/ni.2015.6207

AMA Style

Davidowich E, Nascimento OJM, Orsini M, Pupe C, Pessoa B, Bittar C, Pires KL, Bruno C, Coutinho BM, de Souza OG, et al. Palm to Finger Ulnar Sensory Nerve Conduction. Neurology International. 2015; 7(3):6207. https://doi.org/10.4081/ni.2015.6207

Chicago/Turabian Style

Davidowich, Eduardo, Osvaldo J.M. Nascimento, Marco Orsini, Camila Pupe, Bruno Pessoa, Caroline Bittar, Karina Lebeis Pires, Carlos Bruno, Bruno Mattos Coutinho, Olivia Gameiro de Souza, and et al. 2015. "Palm to Finger Ulnar Sensory Nerve Conduction" Neurology International 7, no. 3: 6207. https://doi.org/10.4081/ni.2015.6207

APA Style

Davidowich, E., Nascimento, O. J. M., Orsini, M., Pupe, C., Pessoa, B., Bittar, C., Pires, K. L., Bruno, C., Coutinho, B. M., de Souza, O. G., Ribeiro, P., Velasques, B., Bittencourt, J., Teixeira, S., & Bastos, V. H. (2015). Palm to Finger Ulnar Sensory Nerve Conduction. Neurology International, 7(3), 6207. https://doi.org/10.4081/ni.2015.6207

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