Abstract
Glottic insufficiency is a condition cause by various diagnose.Phonosurgery, first of all thyreoplasty type 1 and injection laryngoplasty, represent an effective treatment of such condition.In the years 2002-2006, 46 thyreoplasties and laryngeal injections were performed at the ENT Dept. University Hospital in Hradec Králové; with prevalence of injection laryngoplasties.