[The research progress of laryngotracheal stenosis in children].

Children's laryngotracheal stenosis is the formation of laryngotracheal scar tissue caused by congenital or acquired factors, resulting in a narrow respiratory tract,which affects breathing. With the development of intensive care,tracheal intubation is widely used in premature infants and critically ill children.Therefore,the incidence of laryngotracheal stenosis in children has increased year by year.Children often need multiple steps of operations, poor surgical tolaerance, seriously affecting the quality of life of the whole family. This article summarizes the classification, etiology,clinical manifestations,diagnosis and treatment progress of children with laryngotracheal stenosis.