THE TERM "chronic laryngeal stenosis" refers principally to the cicatricial stenosis of the larynx. The obstructions due to other causes are classified under other terms, such as acute laryngeal stenosis or the ones included in the group headed congenital stenosis of the larynx.1
High tracheotomy, seldom indicated and mentioned here only to be condemned, accounts for 85% of all cases of chronic laryngeal stenosis. The disease is frequently due to bilateral paralysis of both recurrent laryngeal nerves which primarily is not the result of an acute inflammatory condition of the larynx but which is secondarily transformed into a cicatricial stenosis by the performance of a high tracheotomy and the permanence of a tracheal cannula in the subglottic region. Another condition that may cause stenosis is the lack of care of a tracheotomized patient or one undergoing the process of decannulation. Trauma in any of its forms, long tracheal intubation,
MACHADO R. PERMANENT RETROGRADE PROGRESSIVE DILATATION: New Treatment for Chronic Laryngeal Stenosis in Children. AMA Arch Otolaryngol. 1952;56(5):504–511. doi:10.1001/archotol.1952.00710020528005
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