Bronchomalacia and Tracheomalacia

Published on 25/03/2015 by admin

Filed under Pediatrics

Last modified 25/03/2015

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Chapter 381 Bronchomalacia and Tracheomalacia

Chondromalacias of the trachea or of a main bronchus occur when there is insufficient cartilage to maintain airway patency throughout the respiratory cycle and are common causes of persistent wheezing in infancy. Tracheomalacia and bronchomalacia can be either primary or secondary (see Table 381-1 on the Nelson Textbook of Pediatrics website at Although primary tracheomalacia and bronchomalacia are often seen in premature infants, most affected patients are born at term. Secondary tracheomalacia and bronchomalacia refers to the situation in which the central airway is compressed by adjacent structure (e.g., vascular ring, Chapter 426) or deficient in cartilage due to tracheoesophageal fistula. Laryngomalacia can accompany primary bronchomalacia or tracheomalacia. Involvement of the entire central airway (laryngotracheobronchomalacia) is also seen.

Clinical Manifestations

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