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A contribuição dos potenciais evocados por eletrodo concêntrico e reflexo de retirada nociceptiva para a avaliação neurofisiológica de rotina da dor neuropática: estudo observacional transversal

2023; Volume: 6; Issue: 3 Linguagem: Inglês

10.5935/2595-0118.20230067-pt

ISSN

2595-3192

Autores

Lucas Martins de Exel Nunes, Gabriel Taricani Kubota, Ana Mércia Fernandes, Tae Mo Chung, Daniel Ciampi de Andrade,

Tópico(s)

Pain Management and Treatment

Resumo

BACKGROUND AND OBJECTIVES:Conventional electrodiagnostic studies (EDX) are frequently used to support the diagnosis of peripheral neuropathic pain.However, routine EDX has poor diagnostic yield for identifying small fiber neuropathy, which may be cause of neuropathic pain in some patients.This study aimed to assess the gain in diagnostic yield brought by adding pain-related evoked potentials with concentric electrode (CN-PREP) and nociceptive withdrawal reflex (NWR) assessments to EDX.METHODS: Transversal observational accuracy study which included patients referred to routine EDX in a tertiary-care hospital who reported chronic neuropathic pain in their lower limbs. Besides routine EDX, subjects underwent CN-PREP and NWRThe contribution of concentric electrode-evoked potentials and nociceptive withdrawal reflex to the routine neurophysiological assessment of neuropathic pain: cross-sectional study A contribuição dos potenciais evocados por eletrodo concêntrico e reflexo de retirada nociceptiva para a

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