نبذة مختصرة : ObjectiveTo assess our institution's experience with botulinum toxin A injection management of pharyngoesophageal (PE) segment dysfunction after laryngectomy in tracheoesophageal voice and swallowing restoration.Study DesignA retrospective review of 43 patients who had Botox as treatment for PE dysfunction.SettingTertiary academic center with fellowship‐trained otolaryngologists.MethodsPre‐ and post‐injection outcomes were evaluated using chart review, and the severity of symptoms was recorded based on the subjective assessment by the patient, speech language pathologists, and the treating surgeon.ResultsForty‐three patients were treated for PE dysfunction with botulinum toxin A injection. Most patients were male (n = 35, 81.4%), underwent primary cricopharnygeal myotomy (n = 36, 83.7%), and 37 (86%) had both dysphagia and speech concerns. Our injection methods included percutaneous injection by videofluoroscopy (n = 19, 44.2%), transnasal esophagoscopy (17, 40.5%), electromyography (n = 3, 7%), ultrasound (n = 1, 2.3%), or in the operating room (n = 3,7%). We found that 37 (86%) patients had subjective improvement in their symptoms, with 16 (38.1%) improving in both swallow and voice. There were no significant complications, or subjective difference in speech and swallowing outcomes by method of injection.ConclusionBotulinum toxin A injection appears to be safe and effective for treating difficulty with speech and swallowing due to PE dysfunction after laryngectomy. Institutions should develop standard protocols for treatment and assessment.
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