title: Cervical artery dissection is associated with widened aortic root diameter.
abstract: OBJECTIVE
  Dissection of the internal carotid and vertebral arteries is a well recognized cause of stroke, especially in the middle-aged. The exact etiology of this condition is controversial. According to one theory there is an underlying vasculopathy originating from disturbed development of the neural crest. The neural crest gives rise to several tissues, including the tunica media of large cervical arteries and the outflow tract of the heart. We attempted to test the theory that developmental abnormality at the level of the neural crest may play a role in dissection of the large cervical arteries.
  
  
  METHODS
  We designed a retrospective case control study. By means of transthoracic echocardiography we measured the aortic root diameter in a group of patients with radiographically determined dissection of at least one large artery in the neck. The results were compared to a control group.
  
  
  RESULTS
  In comparison to age matched controls, male patients were found to have a significantly larger aortic root. Although a similar trend was apparent in females, the difference between the patient and control group of females was not statistically significant.
  
  
  CONCLUSIONS
  Patients with cervical artery dissections may have other abnormalities in other organs arising from the neural crest. A larger prospective clinical study and further research are needed to establish a firm link between dissection of the cervical arteries and abnormalities in other organs.
authors.affiliation: Division of Neurology, Ottawa Hospital-General Site, University of Ottawa, Ontario, Canada.
authors.forename: V
authors.initials: V
authors.lastname: Skljarevski
authors.forename: M
authors.initials: M
authors.lastname: Turek
authors.forename: A M
authors.initials: AM
authors.lastname: Hakim
mesh_terms: D000328:Adult; D000783:Aneurysm / Q000000981:diagnostic imaging*; D000792:Angiography; D001011:Aorta / Q000000981:diagnostic imaging*; D001021:Aortic Valve; D001027:Aortography; D001158:Arteries / Q000000981:diagnostic imaging; D016022:Case-Control Studies; D004452:Echocardiography; D005260:Female; D006801:Humans; D018810:Magnetic Resonance Angiography; D008279:Magnetic Resonance Imaging; D008297:Male; D008875:Middle Aged; D009333:Neck / Q000098:blood supply*; D012189:Retrospective Studies