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  • Title: Percutaneous injection laryngoplasty in the management of acute vocal fold paralysis.
    Author: Damrose EJ.
    Journal: Laryngoscope; 2010 Aug; 120(8):1582-90. PubMed ID: 20641072.
    Abstract:
    OBJECTIVES/HYPOTHESIS: To evaluate the clinical outcome of patients with acute vocal fold paralysis treated with bovine collagen via percutaneous injection laryngoplasty under simple topical anesthesia. STUDY DESIGN: Retrospective case series. METHODS: The charts of 38 consecutive patients with acute unilateral vocal fold paralysis who underwent percutaneous injection laryngoplasty under simple topical anesthesia were reviewed. Symptoms and laryngeal function were assessed pre- and postinjection using the Glottal Function Index (GFI), GRBAS Dysphonia Scale, Functional Outcome Swallowing Scale (FOSS), and maximum phonation time (MPT). RESULTS: Mean GFI, GRBAS, FOSS, and MPT improved from 13.71 to 7.68, 7.24 to 3.95, 3.70 to 2.20, and 12.87 to 16.45, respectively (P < or = .0001). There were no complications related to the procedure. In seven patients requiring tube feeding secondary to dysphagia and aspiration, injection was successful in restoring oral alimentation in only three patients, with the four failures occurring in patients with multiple cranial neuropathies. CONCLUSIONS: Percutaneous injection laryngoplasty is a viable option for immediate rehabilitation of acute vocal fold paralysis, and can be performed in the inpatient setting. With dysphagia and aspiration secondary to multiple cranial nerve palsies, medialization of the paralyzed cord alone may be insufficient to restore safe oral alimentation.
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