A harsh noise in the night

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

This chapter discusses the case of a 54-year-oldwoman with disturbing respiratory noise during nocturnal sleep. It presents the clinical history, examination, follow-up, treatment, diagnosis, and the results of the procedures performed on the patient. EMG investigation of laryngeal muscle activity was subsequently performed during wakefulness and sleep, placing fine-wire electrodes in the posterior cricoarytenoid, cricothyroid and thyroarytenoid muscles. The specialist made a diagnosis of nocturnal inspiratory stridor based on the characteristics of the noise present only during sleep, particularly during NREM sleep. A diagnosis of REM-sleep behavior disorder (RBD) was also made due to the characteristic clinical history of violent motor behaviors during sleep associated with polysomnography (PSG) evidence of REM sleep without atonia. Tracheostomy and continuous positive airway pressure (CPAP) are effective treatments of stridor; however, they do not always prevent death in multiple-system atrophy.

Original languageEnglish
Title of host publicationCase Studies in Sleep Neurology: Common and Uncommon Presentations
PublisherCambridge University Press
Pages17-22
Number of pages6
ISBN (Print)9780511902505, 9780521146487
DOIs
Publication statusPublished - Jan 1 2010

ASJC Scopus subject areas

  • Medicine(all)

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