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Research progress of laryngomalacia in children

Laryngomalacia is defined as a supraglottic collapse of the glottis,resulting in intermittent airflow obstruction and associated wheezing.This disease is the most common cause of stridor in neonates and infants.Associated feeding difficulties are present in approximately half of the children.A definitive diagnosis can generally be made with flexible fiberoptic laryngoscopy.The disorder is most often self-limited with resolution of symptoms within the first 24 months of life,and the majority of children can thus be managed conservatively.The approximately 5%-20% of children with severe or refractory disease may require more aggressive intervention,most commonly in the form of transoral supraglottoplasty.High success rates and a low rate of complications have been reported for this procedure in otherwise healthy children.Children with syndromes or medical comorbidities are more likely to have complications or persistent symptoms after supraglottoplasty and may require additional interventions.
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