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Nocturnal stridor in olivopontocerebellar atrophy.
Sleep. 1990 Aug; 13(4):362-8.S

Abstract

We describe a patient with olivopontocerebellar atrophy (OPCA) who was referred for alleged "snoring." Polysomnogram with video and audio monitoring revealed that the patient actually had nocturnal stridor causing repetitive oxygen desaturations. Direct laryngoscopy while awake showed a unilateral vocal cord paralysis. The nocturnal stridor persisted after unilateral vocal cord pinning, suggesting that the patient had probably been experiencing bilateral vocal cord paresis while asleep. We conclude that state-dependent vocal cord dysfunction may be severe in OPCA and related multiple system atrophy. Nocturnal stridor has many causes and may mimic snoring and obstructive sleep apnea syndrome. Polysomnography with audio and video recordings are necessary to make the diagnosis.

Authors+Show Affiliations

Torrance Sleep Disorders Center, California.No affiliation info available

Pub Type(s)

Case Reports
Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

2267479

Citation

Kneisley, L W., and G J. Rederich. "Nocturnal Stridor in Olivopontocerebellar Atrophy." Sleep, vol. 13, no. 4, 1990, pp. 362-8.
Kneisley LW, Rederich GJ. Nocturnal stridor in olivopontocerebellar atrophy. Sleep. 1990;13(4):362-8.
Kneisley, L. W., & Rederich, G. J. (1990). Nocturnal stridor in olivopontocerebellar atrophy. Sleep, 13(4), 362-8.
Kneisley LW, Rederich GJ. Nocturnal Stridor in Olivopontocerebellar Atrophy. Sleep. 1990;13(4):362-8. PubMed PMID: 2267479.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Nocturnal stridor in olivopontocerebellar atrophy. AU - Kneisley,L W, AU - Rederich,G J, PY - 1990/8/1/pubmed PY - 1990/8/1/medline PY - 1990/8/1/entrez SP - 362 EP - 8 JF - Sleep JO - Sleep VL - 13 IS - 4 N2 - We describe a patient with olivopontocerebellar atrophy (OPCA) who was referred for alleged "snoring." Polysomnogram with video and audio monitoring revealed that the patient actually had nocturnal stridor causing repetitive oxygen desaturations. Direct laryngoscopy while awake showed a unilateral vocal cord paralysis. The nocturnal stridor persisted after unilateral vocal cord pinning, suggesting that the patient had probably been experiencing bilateral vocal cord paresis while asleep. We conclude that state-dependent vocal cord dysfunction may be severe in OPCA and related multiple system atrophy. Nocturnal stridor has many causes and may mimic snoring and obstructive sleep apnea syndrome. Polysomnography with audio and video recordings are necessary to make the diagnosis. SN - 0161-8105 UR - https://www.unboundmedicine.com/medline/citation/2267479/Nocturnal_stridor_in_olivopontocerebellar_atrophy_ L2 - https://academic.oup.com/sleep/article-lookup/doi/10.1093/sleep/13.4.362 DB - PRIME DP - Unbound Medicine ER -