Complications of Laser Surgery for Recurrent Respiratory Papillomatosis

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Abstract
During an 8-year period, 66 patients with recurrent respiratory papillomatosis underwent 890 laser microlaryngoscopy procedures. A retrospective analysis of immediate and delayed complications occurring with laser microlaryngoscopy in the treatment of these patients revealed that complications secondary to anesthetic technique and laser methodology were remarkably low (0.3%). Delayed complications of tissue injury (36% of pediatric patients and 17% of adult patients) were more frequent and included anterior glottic webbing, interarytenoid scarring and arytenoid fixation, vocal fold fibrosis, and generalized endolaryngeal glottic stenosis. All patients were evaluated by direct visualization and recording at the time of the operative procedure, as well as by review of intraoperative photographs. A smaller group of patients underwent analysis of voice recordings and laryngeal stroboscopy. The frequency and severity of tissue injury was higher in the patients with more severe disease who underwent multiple operative procedures.