Sensory nerve action potential in patients with functional neurological disorders with sensory manifestations

IntroductionFunctional neurological disorder (FND) has various clinical manifestations. Even though diagnostic criteria for FND have been proposed, FND characteristics with sensory manifestations have not been elucidated. Therefore, we aimed to investigate the association between sensory nerve actio...

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Main Authors: Kohei Morimoto, Kenji Sekiguchi, Riki Matsumoto
Format: Article
Language:English
Published: Frontiers Media S.A. 2023-10-01
Series:Frontiers in Neurology
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fneur.2023.1259887/full
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author Kohei Morimoto
Kenji Sekiguchi
Riki Matsumoto
author_facet Kohei Morimoto
Kenji Sekiguchi
Riki Matsumoto
author_sort Kohei Morimoto
collection DOAJ
description IntroductionFunctional neurological disorder (FND) has various clinical manifestations. Even though diagnostic criteria for FND have been proposed, FND characteristics with sensory manifestations have not been elucidated. Therefore, we aimed to investigate the association between sensory nerve action potential (SNAP) amplitudes and FND with sensory manifestations.MethodsWe included 76 outpatients with FND with sensory manifestations whose nerve conduction studies were performed retrospectively. Additionally, we defined 121 patients with other neurological diseases who did not have peripheral neuropathy as disease controls. The SNAP amplitudes were compared between the two groups. We also explored the relationship between SNAP amplitudes and FND-specific clinical symptoms in patients with FND.ResultsNo differences were observed in SNAP amplitudes adjusted for age between patients with FND who had sensory manifestations and disease control patients. Additionally, no differences were observed between patients with FND who had and did not have FND-specific clinical symptoms.ConclusionThe SNAP amplitude in patients with FND who had sensory manifestations was equivalent to that in controls.
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spelling doaj.art-1882783bd69a4f559ba3fa847c4540422024-02-01T13:05:06ZengFrontiers Media S.A.Frontiers in Neurology1664-22952023-10-011410.3389/fneur.2023.12598871259887Sensory nerve action potential in patients with functional neurological disorders with sensory manifestationsKohei MorimotoKenji SekiguchiRiki MatsumotoIntroductionFunctional neurological disorder (FND) has various clinical manifestations. Even though diagnostic criteria for FND have been proposed, FND characteristics with sensory manifestations have not been elucidated. Therefore, we aimed to investigate the association between sensory nerve action potential (SNAP) amplitudes and FND with sensory manifestations.MethodsWe included 76 outpatients with FND with sensory manifestations whose nerve conduction studies were performed retrospectively. Additionally, we defined 121 patients with other neurological diseases who did not have peripheral neuropathy as disease controls. The SNAP amplitudes were compared between the two groups. We also explored the relationship between SNAP amplitudes and FND-specific clinical symptoms in patients with FND.ResultsNo differences were observed in SNAP amplitudes adjusted for age between patients with FND who had sensory manifestations and disease control patients. Additionally, no differences were observed between patients with FND who had and did not have FND-specific clinical symptoms.ConclusionThe SNAP amplitude in patients with FND who had sensory manifestations was equivalent to that in controls.https://www.frontiersin.org/articles/10.3389/fneur.2023.1259887/fullfunctional neurological disordersensory symptomnerve conduction studysensory nerve action potential (SNAP)FND
spellingShingle Kohei Morimoto
Kenji Sekiguchi
Riki Matsumoto
Sensory nerve action potential in patients with functional neurological disorders with sensory manifestations
Frontiers in Neurology
functional neurological disorder
sensory symptom
nerve conduction study
sensory nerve action potential (SNAP)
FND
title Sensory nerve action potential in patients with functional neurological disorders with sensory manifestations
title_full Sensory nerve action potential in patients with functional neurological disorders with sensory manifestations
title_fullStr Sensory nerve action potential in patients with functional neurological disorders with sensory manifestations
title_full_unstemmed Sensory nerve action potential in patients with functional neurological disorders with sensory manifestations
title_short Sensory nerve action potential in patients with functional neurological disorders with sensory manifestations
title_sort sensory nerve action potential in patients with functional neurological disorders with sensory manifestations
topic functional neurological disorder
sensory symptom
nerve conduction study
sensory nerve action potential (SNAP)
FND
url https://www.frontiersin.org/articles/10.3389/fneur.2023.1259887/full
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