title: Antipsychotic-induced life-threatening 'esophageal dyskinesia'.
abstract: We report two patients with lingual dyskinesia and complaints of food regurgitation following long-term antipsychotic therapy. Esophageal contrast radiography revealed dyskinetic movements extending from the pharynx to the upper portion of the esophagus. The elevation of intraesophageal pressure was confirmed by esophageal manometry. The dyskinetic movements almost disappeared along with improvement of lingual dyskinesia following the administration of sulpiride in one patient. Another patient suddenly died due to asphyxiation of foods before the beginning of treatment. We termed this life-threatening movement, 'esophageal dyskinesia'. It should be emphasized that 'esophageal dyskinesia' associated with lingual dyskinesia is a potentially fatal adverse reaction to antipsychotic therapy.
authors.affiliation: Department of Psychiatry and Neurosciences, Hiroshima University School of Medicine, Hiroshima City, Japan.
authors.forename: J
authors.initials: J
authors.lastname: Horiguchi
authors.forename: T
authors.initials: T
authors.lastname: Shingu
authors.forename: T
authors.initials: T
authors.lastname: Hayashi
authors.forename: A
authors.initials: A
authors.lastname: Kagaya
authors.forename: S
authors.initials: S
authors.lastname: Yamawaki
authors.forename: Y
authors.initials: Y
authors.lastname: Horikawa
authors.forename: Y
authors.initials: Y
authors.lastname: Kitadai
authors.forename: M
authors.initials: M
authors.lastname: Inoue
authors.forename: T
authors.initials: T
authors.lastname: Nishikawa
mesh_terms: D000368:Aged; D014150:Antipsychotic Agents / Q000009:adverse effects*; D004409:Dyskinesia, Drug-Induced / Q000209:etiology* / Q000503:physiopathology; D004947:Esophagus / Q000503:physiopathology*; D006801:Humans; D008297:Male; D011312:Pressure
chemical_list: D014150:Antipsychotic Agents