E-Mail IMAGE: Researchers demonstrate for the first time the successful use of a completely biodegradable magnesium-alloy tracheal stent, pictured, that safely degrades over the course of eight weeks and does not require... view more Credit: Materialise Pediatric laryngotracheal stenosis (LTS), a narrowing of the airway in children, is a complex medical condition. While it can be something a child is born with or caused by injury, the condition can result in a life-threatening emergency if untreated. Treatment, however, is challenging. Depending on the severity, doctors will use a combination of endoscopic techniques, surgical repair, tracheostomy, or deployment of stents to hold the airway open and enable breathing.