Series of laryngomalacia, tracheomalacia, and bronchomalacia disorders and their associations with other conditions in children

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Abstract
Laryngomalacia, bronchomalacia, and tracheomalacia are commonly seen in pediatric respiratory medicine, yet their patterns and associations with other conditions are not well‐understood. We prospectively video‐recorded bronchoscopic data and clinical information from referred patients over a 10‐year period and defined aspects of interrelationships and associations. Two hundred and ninety‐nine cases of malacia disorders (34%) were observed in 885 bronchoscopic procedures. Cough, wheeze, stridor, and radiological changes were the most common symptoms and signs. The lesions were most often found in males (2:1) and on the left side (1.6:1). Concomitant malacia lesions ranged from 24% for laryngotracheobronchomalacia to 47% for tracheobronchomalacia. The lesions were found in association with other disorders such as congenital heart disorders (13.7%), tracheo‐esophageal fistula (9.6%), and various syndromes (8%). Even though the understanding of these disorders is in its infancy, pediatricians should maintain a level of awareness for malacia lesions and consider the possibility of multiple lesions being present, even when one symptom predominates or occurs alone. Pediatr Pulmonol. Pediatr Pulmonol. 2002; 34:189–195.

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