Cricopharyngeal Dysfunction in Adults

Cricopharyngeal Dysfunction in Adults: Diagnostic and Therapeutic Effects of Cricopharyngeal Botulinum Toxin (Botox) Injection

The objective of the study, after reviewing the recent literature, is to corroborate the thesis of the authors considering the injection of botulinum toxin as a gesture that is both diagnostic and therapeutic in the disorders of the Upper Esophageal Sphincter and reinforce the results already published with a larger series of patients.

Inclusion Criteria:

• Man or woman whose age older than 18 years
• Dysphagia with solids and / or liquids
• Dysfunction of primary or secondary Upper Esophageal Sphincter with indirect video-fibroscopy and / or video-fluoroscopy and / or high resolution pharyngo-oesophageal manometry
• Subject having at least one injection of botulinum toxin A in the crico-pharyngeal muscle for Upper Esophageal Sphincter dysfunction in the ENT department and cervico-facial surgery of Hautepierre.
• Subject who has consented to the use of his data from his medical file for the purpose of this research

Exclusion Criteria:

• Myotomy in the first place
• Refusal of the subject to participate in the study
• Subject under the protection of justice
• Subject under guardianship or curatorship