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Sleep-related laryngospasm in multiple system atrophy

Sleep-related laryngospasm in multiple system atrophy

A 67-year-old Caucasian male with a history of sleep-related laryngospasm, excessive daytime sleepiness, and MSA. The video-polysomnography showed persistent laryngospasm, REM sleep behavior disorder, and severe obstructive sleep apnea syndrome. In this video, the patient is in REM sleep; sleep-related laryngospasm is not associated with oxygen desaturation and patient is not awakened by it. (Contributed by Dr. Michela Figorilli.)

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Associated Disorders

  • Multiple system atrophy
  • Nocturnal asthma
  • Nocturnal panic attacks
  • Obstructive sleep apnea
  • Parasomnias (eg, catathrenia)
  • Primary snoring
  • Sleep-related choking syndrome
  • Sleep-related gastroesophageal reflux
  • Vocal cord dysfunction