• Kousuke Fukuhara, Toshiyasu Ogata, Shinji Ouma, Jun Tsugawa, Juntaro Matsumoto, Hiroshi Abe, Toshio Higashi, Tooru Inoue, and Yoshio Tsuboi.
• Department of Neurology, Faculty of Medicine, Fukuoka University, Fukuoka, Japan.
• Int J Stroke. 2015 Oct 1; 10 Suppl A100: 30-3.

BackgroundIt has been recognized that spontaneous vertebral artery dissection without neurological symptoms is not rare and easily misdiagnosed. Clinical clue for diagnosis of vertebral artery dissection includes initial symptoms such as headache, neck pain, or dizziness.AimTo assess the role of initial symptoms for diagnosis of spontaneous vertebral artery dissection.MethodsBetween September 2007 and January 2014, we retrospectively reviewed clinical records of 83 patients with unilateral vertebral artery dissection without consciousness disturbance at admission. Based on the diagnostic criteria of the Spontaneous Cervicocephalic Arterial Dissections Study, the patients were divided into three groups: possible, probable, and definite cases of vertebral artery dissection. Initial symptoms were collected at the time of diagnosis from medical record for the presence or absence of headache, neck pain, tinnitus and vertigo, as well as the area of pain and its characteristics.ResultsThe numbers of definite, probable, and possible vertebral artery dissection were 39, 26, and 18, respectively. Out of 83 cases, unilateral or bilateral headache was the most commonly seen (in 60 cases), followed by neck pain (in 41 cases) and vertigo (in 20 cases). Statistically, unilateral headache and/or neck pain was more common in cases with definite vertebral artery dissection group compared with other classification of the Spontaneous Cervicocephalic Arterial Dissections Study (P = 0·040). Vertigo was also associated with the stratification of Spontaneous Cervicocephalic Arterial Dissections Study criteria (P = 0·012).ConclusionsIn our study, headache and/or neck pain, especially unilateral presentation, and vertigo were symptoms associated with the stratification of Spontaneous Cervicocephalic Arterial Dissections Study criteria. Physicians should carefully obtain clinical history for the presence of a unilateral headache and/or neck pain and vertigo when vertebral artery dissection is suspected in patients with or without objective neurological signs.© 2015 World Stroke Organization.

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