Compensatory intracranial arterial dilatation in extracranial carotid atherosclerosis: the Northern Manhattan study

International Journal of Stroke : Official Journal of the International Stroke Society
Jose GutierrezTatjana Rundek

Abstract

There is a scarcity of data supporting the association between atherosclerosis and dolichoectasia in unbiased samples. To test the hypothesis that the association between dolichoectasia and extracranial carotid atherosclerosis depends on the degree of collateral circulation. The Northern Manhattan Study magnetic resonance imaging substudy consists of 1290 participants who remained stroke-free at the time of magnetic resonance imaging. Arterial diameters were collected in all participants with available magnetic resonance angiography. Dolichoectasia was defined as a head-size adjusted diameter >2 standard deviation for each artery. Carotid Doppler was used to evaluate for carotid atherosclerosis (carotid plaque, maximum plaque thickness and carotid intima media thickness). We included 994 participants with available Doppler and magnetic resonance angiography data (mean age 63 years, 60% female). Any dolichoectasia was reported in 16% of participants, 54% had at least one carotid plaque and the mean carotid intima media thickness was 0·92 ± 0·09 mm. After adjusting for demographic and clinical characteristics, there was no association between markers of carotid atherosclerosis and dolichoectasia. However, stratifying by collatera...Continue Reading

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Citations

Mar 18, 2016·Neurology·Jose GutierrezRandolph S Marshall
Jan 4, 2017·Cerebrovascular Diseases·Jose GutierrezMarco R Di Tullio
Aug 8, 2015·Journal of the American Heart Association·Jose GutierrezMitchell S V Elkind
Apr 2, 2019·Hypertension Research : Official Journal of the Japanese Society of Hypertension·Jose GutierrezTatjana Rundek
Mar 5, 2019·Alzheimer's & Dementia : the Journal of the Alzheimer's Association·Jose GutierrezAdam M Brickman
Jan 3, 2019·Natural Product Research·Chin-Soon PhanCharles S Vairappan
Dec 29, 2017·Journal of Asian Natural Products Research·Takashi KamadaCharles S Vairappan
Oct 7, 2016·Natural Product Research·Takashi Kamada, Charles Santhanaraju Vairappan
Aug 15, 2018·Clinical Infectious Diseases : an Official Publication of the Infectious Diseases Society of America·Jose GutierrezSusan Morgello

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