Vertebrobasilar insufficiency epidemiology and demographics
| Vertebrobasilar insufficiency
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [3]
Overview
Epidemiology and Demographics
The incidence of VBI increases with age and typically occurs in the seventh or eighth decade of life. Reflecting atherosclerosis, which is the most common cause of VBI, it affects men twice as often as women and is more prevalent in African Americans. Patients with hypertension, diabetes, smoking, and dyslipidemias also have a higher risk of developing VBI. And intracranial atherosclerosis is more common in individuals with black African[1]or East Asian ethnic origin than in Caucasian populations[2] The stroke caused by VBI account for approximately 20% to 30%21–23 of all strokes[3] A study indicates that prevalence of >50% vertebral and basilar arterial stenosis, and vertebrobasilar arterial stenosis was more often associated with multiple ischemic episodes and a higher risk of early recurrent stroke.[4]
References
- ↑ Markus HS, Khan U, Birns J, Evans A, Kalra L, Rudd AG et al. (2007) Differences in stroke subtypes between black and white patients with stroke: the South London Ethnicity and Stroke Study. Circulation 116 (19):2157-64. DOI:10.1161/CIRCULATIONAHA.107.699785PMID: 17967776
- ↑ Suri MF, Johnston SC (2009)Epidemiology of intracranial stenosis. J Neuroimaging 19 Suppl 1 ():11S-6S. DOI:10.1111/j.1552-6569.2009.00415.x PMID: 19807851
- ↑ Schneider JI, Olshaker JS (2012) Vertigo, vertebrobasilar disease, and posterior circulation ischemic stroke. Emerg Med Clin North Am 30 (3):681-93. [1] PMID: 22974644
- ↑ Marquardt L, Kuker W, Chandratheva A, Geraghty O, Rothwell PM (2009)Incidence and prognosis of > or = 50% symptomatic vertebral or basilar artery stenosis: prospective population-based study. Brain 132 (Pt 4):982-8. DOI:10.1093/brain/awp026 PMID: [2]