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Effects of continuous positive airway pressure on stridor in multiple system atrophy-sleep laryngoscopy.
J Clin Sleep Med. 2009 Feb 15; 5(1):65-7.JC

Abstract

The presence of stridor in patients with multiple system atrophy (MSA) is associated with poor prognosis, mainly due to a high risk of complete airway obstruction at night. Continuous positive airway pressure (CPAP) therapy has been proposed as a treatment of MSA-associated stridor, but, until now, there has been no visual documentation of the effect of CPAP on laryngeal patency during nonpharmacologically induced spontaneous sleep of a patient with MSA. We present a video-laryngoscopic documentation of a 57-year-old woman with MSA who was evaluated for nocturnal stridor. Direct laryngoscopy during sleep without pharmacologic sedation documented inspiratory adduction of the vocal cords with downward displacement of the larynx. Application of CPAP resulted in improvement of stridor, distension of the hypopharynx, abduction of vocal cords, and reduction of the downward displacement of the larynx. We discuss the possible mechanisms of action of CPAP in MSA-associated stridor.

Authors+Show Affiliations

Sleep Disorders Center, Mayo Clinic College of Medicine, Rochester, MN 55905, USA.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Case Reports
Journal Article

Language

eng

PubMed ID

19317384

Citation

Kuźniar, Tomasz J., et al. "Effects of Continuous Positive Airway Pressure On Stridor in Multiple System Atrophy-sleep Laryngoscopy." Journal of Clinical Sleep Medicine : JCSM : Official Publication of the American Academy of Sleep Medicine, vol. 5, no. 1, 2009, pp. 65-7.
Kuźniar TJ, Morgenthaler TI, Prakash UB, et al. Effects of continuous positive airway pressure on stridor in multiple system atrophy-sleep laryngoscopy. J Clin Sleep Med. 2009;5(1):65-7.
Kuźniar, T. J., Morgenthaler, T. I., Prakash, U. B., Pallanch, J. F., Silber, M. H., & Tippmann-Peikert, M. (2009). Effects of continuous positive airway pressure on stridor in multiple system atrophy-sleep laryngoscopy. Journal of Clinical Sleep Medicine : JCSM : Official Publication of the American Academy of Sleep Medicine, 5(1), 65-7.
Kuźniar TJ, et al. Effects of Continuous Positive Airway Pressure On Stridor in Multiple System Atrophy-sleep Laryngoscopy. J Clin Sleep Med. 2009 Feb 15;5(1):65-7. PubMed PMID: 19317384.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Effects of continuous positive airway pressure on stridor in multiple system atrophy-sleep laryngoscopy. AU - Kuźniar,Tomasz J, AU - Morgenthaler,Timothy I, AU - Prakash,Udaya B S, AU - Pallanch,John F, AU - Silber,Michael H, AU - Tippmann-Peikert,Maja, PY - 2009/3/26/entrez PY - 2009/3/26/pubmed PY - 2009/4/14/medline SP - 65 EP - 7 JF - Journal of clinical sleep medicine : JCSM : official publication of the American Academy of Sleep Medicine JO - J Clin Sleep Med VL - 5 IS - 1 N2 - The presence of stridor in patients with multiple system atrophy (MSA) is associated with poor prognosis, mainly due to a high risk of complete airway obstruction at night. Continuous positive airway pressure (CPAP) therapy has been proposed as a treatment of MSA-associated stridor, but, until now, there has been no visual documentation of the effect of CPAP on laryngeal patency during nonpharmacologically induced spontaneous sleep of a patient with MSA. We present a video-laryngoscopic documentation of a 57-year-old woman with MSA who was evaluated for nocturnal stridor. Direct laryngoscopy during sleep without pharmacologic sedation documented inspiratory adduction of the vocal cords with downward displacement of the larynx. Application of CPAP resulted in improvement of stridor, distension of the hypopharynx, abduction of vocal cords, and reduction of the downward displacement of the larynx. We discuss the possible mechanisms of action of CPAP in MSA-associated stridor. SN - 1550-9389 UR - https://www.unboundmedicine.com/medline/citation/19317384/Effects_of_continuous_positive_airway_pressure_on_stridor_in_multiple_system_atrophy_sleep_laryngoscopy_ L2 - https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/19317384/ DB - PRIME DP - Unbound Medicine ER -