UMEM Educational Pearls

Category: Pediatrics

Title: Laryngomalacia

Posted: 3/25/2010 by Rose Chasm, MD (Updated: 4/11/2010)
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  • the most common cause of stridor in the newborn
  • the laryngeal skeleton is not stiff enough to resist the negative pressure during inspiration causing narrowing and stridor
  • can occur at birth but most commonly seen at 2 weeks of age, and is more pronounced with agitation
  • for most, close observation is sufficient as the cartilage becomes more rigid with age
  • usually outgrown by 12-18 months of age
  • in severe cases, feeding may be affected and nighttime obstructive hypoxia may occur