A Life-threatening Complication of Multiple System Atrophy

Case Presentation A 50-year-old woman was initially seen in 2016 for sleep disorders consultation, referred by Neurology because of progressive cerebellar ataxia syndrome with possible autonomic involvement and sleep-disordered breathing described as having stridorous sounds during her sleep. She had presented to issues balance, she frequent falls at home. In 2016, speech clear, able ambulate steadily a cane. underwent diagnostic polysomnogram that did not demonstrate clinically significant apnea. However, the study demonstrated rapid eye movement (REM) without atonia 62% of REM epochs (normal, up 27%) soft inspiratory stridor non-REM The patient lost follow-up until us reevaluation 3 years later. interim, been diagnosed multiple system atrophy—cerebellar type (MSA-C) another health-care institution.