Laryngeal manifestations of postpoliomyelitis syndrome

Postpoliomyelitis syndrome (PPS) is a disease that may occur in survivors o f acute poliomyelitis several decades after their initial infection. It can present as dysphonia, with vocal weakness and fatigue. Su allowing, respir atory, and other laryngopharyngeal symptoms may be manifestations of the di sease or they may represent worsening of previously stable and compensated deficits. Three cases of laryngeal changes in PPS with videostroboscupic an d laryngeal electromyography findings highlight the features of this disord er We review possible etiologies of laryngeal PPS, diagnostic criteria, and treatment, as well as the current literature.