[Laryngeal stridor caused by Gerhardt's syndrome in olivopontocerebellar atrophy and a probable striatonigral degeneration].

Communication about 2 Gerhardt's syndromes following two multisystemic diseases of N.C.S. One case produced by an strio-nigrica degeneration, the other one by a degenerative olivo-pontocerebellar process. The AA. underline the importance of the laryngoscopy because of the nocturnal dyspnea present, with its vital high risk. For this reason they recommend the surgery in order to reestablish as soon as possible the airway.