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Objective. To evaluate the effect of neodymium laser application for successful decannulation in infants with a congenital and acquired tracheal stenosis and tracheostomy. Methods. 6 children were being treated in the 1 st  City Clinical Hospital of Minsk in 2011-2014. All children underwent tracheostomy with a prolonged tracheal intubation and subsequent development of tracheostenosis. The children were examined using X-ray, esophagogastroscopy (PentaxEG-16K10), and bronchoscopy (Olympus MAF TYPE GM). Tracheal stenosis was treated using a medical multifunctional laser complex Multiline (“Linline Medical systems” Ltd, Belarus) equipped with a high-energy neodymium laser emitter. Children with excessive growth of granulations in thelumenof thetrachea underwent vaporization of granulations by means of a bulbous probe with a neodymium laser emitter (wavelength of 1340 nm, power: 15 W, 2 sec. exposure). In cicatricial tracheal stenosis, incisions were made with a laser scalpel (the wavelength of 1064 nm, power of 20 W). Results. Effective decannulation was observed in 5 children, including 4 children who underwent3-5 treatment sessions. In 1 child with the congenital subglottic larynx stenosis, to perform the decannulation became possible after 2 years and 24 sessions of laser recanalizationofstenosis and ablation of granulations. One child, after 9 treatment sessions, dropped out of observation, the result has not been defined. Conclusion. Tracheostomy in children promotes the formation of granulations in the tracheal lumen with the formation of stenosis, which subsequently hinders a successful decannulation. The neodymium laser application with the endoscopic access provides the visual direct approach to the focus of impact with the aim of laser-induced vaporization of soft tissues and recanalization of the trachealmass in children with short tracheal stenosis leads to successful decannulation. What this paper adds Firstly the neodymium laser for the treatment of congenital and acquired tracheal stenosis in children after tracheotomy has been used. The method has been developed for restoring the tracheal lumen by laser-inducedvaporization of excessive tracheal granulation and making scalpel incisions in the scar area. It is shown the neodymium laser application with the endoscopic access provides the visual direct approach to the focus of impact. Laser-induced vaporization of soft tissues and recanalization of the tracheal lumen in children with short tracheal stenosis leads to successful decannulation.

NEODYMIUM LASER IN LARINGOTRACHEOSTENOSIS TREATMENT AFTER TRACHEOSTOMY IN CHILDREN