Therapy of iatrogenic subglottic stenosis: A steroid/antibiotic regimen

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Abstract
The authors have evaluated the efficacy of a medical regimen, consisting of systemic antibiotics and steroids, in the management of acute iatrogenic subglottic stenosis. The study consisted of the infliction of a standardized subglottic injury to three groups of five dogs: Group I animals were placed on prednisone 1 mg/kg/24 hours and potassium phenoxymethyl penicillin 50 mg/kg/24 hours from the day of the trauma. Group II were placed on a similar regimen from the eighth day after subglottic trauma. Group III received no medical therapy at all. Therapy was continued in treated Groups I and II for five weeks. At the end of the study the dogs were sacrificed and the final degree of subglottic stenosis evaluated, at which time the laryngotracheal complexes were submitted for pathological evaluation. A significant difference was found between the degree of stenosis attained in the three groups. The study suggests that the introduction of a steroid/antibiotic regimen has a beneficial effect in developing subglottic stenosis and that the timing of such therapy is of importance.