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Vocal cord abductor paralysis in multiple system atrophy: a case report.

Abstract

Multiple system atrophy (MSA) is a progressive neurodegenerative disease that is characterized by varying degrees of parkinsonism and cerebellar, corticospinal, and autonomic dysfunction. Vocal cord abductor paralysis (VCAP) is considered a sign of a poor prognosis in MSA, because it is a life-threatening complication that may cause nocturnal sudden death. This case report presents a patient who was treated for Parkinson's disease, and complained of dizziness and sleep apnea. We examined VCAP using fiberoptic laryngoscopy as the possible cause of sleep apnea. VCAP usually occurs in the advanced stages of MSA and is accompanied by a worsening of other symptoms. Optokinetic nystagmus was severely impaired and the caloric test response was bilaterally absent. Objective findings such as VCAP and abnormal neuro-otological results led to the diagnosis of MSA.

Authors+Show Affiliations

Department of Otolaryngology, Showa General Hospital, 2-450 Tenjin-chou, Kodaira-shi, Tokyo, Japan. n-egami@s7.dion.ne.jpNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Case Reports
Journal Article

Language

eng

PubMed ID

18340590

Citation

Egami, Naoya, et al. "Vocal Cord Abductor Paralysis in Multiple System Atrophy: a Case Report." Acta Oto-laryngologica. Supplementum, 2007, pp. 164-7.
Egami N, Inoue A, Osanai R, et al. Vocal cord abductor paralysis in multiple system atrophy: a case report. Acta Otolaryngol Suppl. 2007.
Egami, N., Inoue, A., Osanai, R., Kitahara, N., & Kaga, K. (2007). Vocal cord abductor paralysis in multiple system atrophy: a case report. Acta Oto-laryngologica. Supplementum, (559), 164-7. https://doi.org/10.1080/03655230701600145
Egami N, et al. Vocal Cord Abductor Paralysis in Multiple System Atrophy: a Case Report. Acta Otolaryngol Suppl. 2007;(559)164-7. PubMed PMID: 18340590.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Vocal cord abductor paralysis in multiple system atrophy: a case report. AU - Egami,Naoya, AU - Inoue,Aki, AU - Osanai,Ryuichi, AU - Kitahara,Nobuo, AU - Kaga,Kimitaka, PY - 2008/4/12/pubmed PY - 2008/4/30/medline PY - 2008/4/12/entrez SP - 164 EP - 7 JF - Acta oto-laryngologica. Supplementum JO - Acta Otolaryngol Suppl IS - 559 N2 - Multiple system atrophy (MSA) is a progressive neurodegenerative disease that is characterized by varying degrees of parkinsonism and cerebellar, corticospinal, and autonomic dysfunction. Vocal cord abductor paralysis (VCAP) is considered a sign of a poor prognosis in MSA, because it is a life-threatening complication that may cause nocturnal sudden death. This case report presents a patient who was treated for Parkinson's disease, and complained of dizziness and sleep apnea. We examined VCAP using fiberoptic laryngoscopy as the possible cause of sleep apnea. VCAP usually occurs in the advanced stages of MSA and is accompanied by a worsening of other symptoms. Optokinetic nystagmus was severely impaired and the caloric test response was bilaterally absent. Objective findings such as VCAP and abnormal neuro-otological results led to the diagnosis of MSA. SN - 0365-5237 UR - https://www.unboundmedicine.com/medline/citation/18340590/Vocal_cord_abductor_paralysis_in_multiple_system_atrophy:_a_case_report_ L2 - http://www.diseaseinfosearch.org/result/5584 DB - PRIME DP - Unbound Medicine ER -