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Type: Artigo de periódico
Title: Laryngeal Electromyography: Contribution To Vocal Fold Immobility Diagnosis
Author: Kimaid P.A.T.
Crespo A.N.
Quagliato E.M.A.B.
Wolf A.
Viana M.A.
Resende L.A.L.
Abstract: Laryngeal Electromyography (LEMG) is a diagnostic test commonly used in patients with vocal fold movement disorder The aim of this study is to describe LEMG in patients with vocalfold immobility. A total of 55 dysphonic patients with vocal fold immobility diagnosed by laryngeal endoscopy were grouped according to probable clinical cause: 1) unknown; 2) traumatic; or 3) tumoral compression. They were submitted to LEMG by percutaneous insertion of concentric needle electrode. LEMG was conclusive in all patients and showed a majority with peripheral nerve injury. LEMG diagnosed peripheral nerve damage in 25 group 1, 12 group 2, and 11 group 3 patients. LEMG was normal in 4 patients, suggesting cricoarytenoid joint fixation. Central nervous system disorders was suggested in 2 and myopathic pattern in 1. As the major cause of vocal fold immobility is peripheral nerve damage, LEMG is an important test to confirm diagnosis.
Citation: Electromyography And Clinical Neurophysiology. , v. 44, n. 6, p. 371 - 374, 2004.
Rights: fechado
Date Issue: 2004
Appears in Collections:Unicamp - Artigos e Outros Documentos

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