title: Injection augmentation of arytenoids after partial laryngectomy: case series.
abstract: BACKGROUND
  We undertook collagen injection laryngoplasty to achieve arytenoid augmentation in patients with dysphagia and persistent aspiration following partial laryngectomy, and we evaluated the efficacy of arytenoid augmentation in aiding neoglottic closure and ensuring airway safety.
  
  
  METHODS
  Two patients with persistent swallowing impairment after partial laryngectomy were studied. Swallowing was evaluated using fibre-optic endoscopy, and modified barium swallow study. Collagen was then injected into the arytenoid mucosa to achieve neoglottic competence.
  
  
  RESULTS
  The patients were followed up for up to two years. Both patients showed a marked improvement in neoglottic competence, as evaluated by fibre-optic and flexible endoscopy at three-month and one-year follow-up appointments.
  
  
  CONCLUSIONS
  Arytenoid augmentation by injection laryngoplasty can be considered a safe and effective surgical tool for the treatment of dysphagia with persistent aspiration following partial laryngectomy.
authors.affiliation: Department of Otorhinolaryngology, Head and Neck Surgery, University of Pennsylvania, Philadelphia, Pennsylvania, USA. ankonag@mail.med.upenn.edu
authors.forename: A
authors.initials: A
authors.lastname: Ghosh
authors.forename: J
authors.initials: J
authors.lastname: Guss
authors.forename: C E
authors.initials: CE
authors.lastname: Ruiz
authors.forename: H
authors.initials: H
authors.lastname: Quon
authors.forename: G S
authors.initials: GS
authors.lastname: Weinstein
authors.forename: N
authors.initials: N
authors.lastname: Mirza
mesh_terms: D000369:Aged, 80 and over; D000818:Animals; D001193:Arytenoid Cartilage / Q000473:pathology / Q000503:physiopathology / Q000601:surgery; D001466:Barium Sulfate; D002417:Cattle; D003094:Collagen / Q000008:administration & dosage*; D003679:Deglutition / Q000502:physiology; D003680:Deglutition Disorders / Q000209:etiology / Q000534:rehabilitation* / Q000601:surgery; D004724:Endoscopy / Q000379:methods; D005260:Female; D005336:Fiber Optic Technology; D006801:Humans; D007267:Injections / Q000379:methods; D007825:Laryngectomy / Q000009:adverse effects* / Q000379:methods; D058753:Laryngoplasty / Q000379:methods*; D007828:Laryngoscopy / Q000379:methods; D007830:Larynx / Q000503:physiopathology; D008297:Male; D008875:Middle Aged; D011015:Pneumonia, Aspiration / Q000209:etiology* / Q000517:prevention & control; D014139:Tracheostomy; D016896:Treatment Outcome
chemical_list: D001466:Barium Sulfate; D003094:Collagen