title: A difficult airway is not more prevalent in patients suffering from spasmodic torticollis: a case series.
abstract: OBJECTIVE
  We designed this retrospective study to assess the frequency of difficult airway and difficult intubation in patients with spasmodic torticollis and compare it to that of the general population.
  
  
  METHODS
  After Institutional Review Board approval, data were collected from the charts of all the patients with spasmodic torticollis who underwent selective peripheral denervation at our institution between 1988 and 2001. The intubation grade was determined using the Cormack and Lehane laryngoscopic classification. The best laryngeal view was recorded.
  
  
  RESULTS
  Data from 342 patients were available for analysis. Fourteen patients had a difficult airway. In two patients, intubation was difficult with three attempts at laryngoscopy in one patient and use of fibreoptic bronchoscopy in the other. Twelve (3.5%) patients presented with laryngoscopic grades of III or IV. The combined prevalence of laryngoscopic view grade III and IV and difficult intubation was 4.4%.
  
  
  CONCLUSIONS
  This study assesses the frequency of difficult intubation in patients suffering from spasmodic torticollis. When compared to the general population, these patients do not appear to have a higher frequency of difficult airway or difficult intubation.
authors.affiliation: Department of Anesthesiology, Centre Hospitalier de l'Université de Montréal, Hôpital Notre-Dame, Montréal, Québec, Canada.
authors.forename: Thien Bich
authors.initials: TB
authors.lastname: Mac
authors.forename: Francois
authors.initials: F
authors.lastname: Girard
authors.forename: Sylvie
authors.initials: S
authors.lastname: McKenty
authors.forename: Philippe
authors.initials: P
authors.lastname: Chouinard
authors.forename: Daniel
authors.initials: D
authors.lastname: Boudreault
authors.forename: Monique
authors.initials: M
authors.lastname: Ruel
authors.forename: Guy
authors.initials: G
authors.lastname: Bouvier
mesh_terms: D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D007442:Intubation, Intratracheal; D007828:Laryngoscopy; D008297:Male; D008875:Middle Aged; D011187:Posture; D015995:Prevalence; D012189:Retrospective Studies; D014103:Torticollis / Q000503:physiopathology*