Cerebral Microbleeds, Vascular Risk Factors, and Magnetic Resonance Imaging Markers: The Northern Manhattan Study

Michelle R. Caunca, Victor Del Brutto, Hannah Gardener, Nirav Shah, Nelly Dequatre-Ponchelle, Ying Kuen Cheung, Mitchell S.V. Elkind, Truman R. Brown, Charlotte Cordonnier, Ralph L Sacco, Clinton B Wright

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Background: Cerebral microbleeds (CMBs) represent intracerebral hemorrhages due to amyloid angiopathy or exposure to modifiable risk factors. Few community-based stroke-free studies including blacks and Hispanics have been done. Methods and Results: The Northern Manhattan Study (NOMAS) is a stroke-free, racially and ethnically diverse cohort study. Brain MRI was performed in 1290 participants, 925 of whom had available T2* gradient-recall echo data. We used multivariable logistic regression to examine the association of sociodemographics, vascular risk factors, apolipoprotein E (APOE) genotype, and brain MRI markers with CMB presence and location. The prevalence of CMBs in our cohort was 5%. Of the 46 participants with CMBs, 37% had only deep CMBs, 48% had only lobar CMBs, and 15% had CMBs in both locations. The difference in CMB distribution was not statistically significant across race/ethnic group or APOE genotype. In multivariable analyses, age (OR [95% CI]: 1.09 [1.04, 1.15]) and SBIs (2.58 [1.01, 6.59]) were positively associated with CMB presence, and diabetes medication use was negatively associated (0.25 [0.07, 0.86]). Conclusions: CMBs may represent the severity of vascular disease in this racially and ethnically diverse cohort. Larger studies are needed to elucidate the association between diabetes medication use and CMB presence.

Original languageEnglish (US)
Article numbere003477
JournalJournal of the American Heart Association
Volume5
Issue number9
DOIs
StatePublished - Sep 1 2016

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Apolipoproteins E
Stroke
Genotype
Magnetic Resonance Imaging
Cerebral Hemorrhage
Brain
Vascular Diseases
Hispanic Americans
Ethnic Groups
Cohort Studies
Logistic Models
vascular factor
Amyloid angiopathy

Keywords

  • Cerebral microbleed
  • Magnetic resonance imaging
  • Risk factor

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

Cite this

Caunca, M. R., Del Brutto, V., Gardener, H., Shah, N., Dequatre-Ponchelle, N., Cheung, Y. K., ... Wright, C. B. (2016). Cerebral Microbleeds, Vascular Risk Factors, and Magnetic Resonance Imaging Markers: The Northern Manhattan Study. Journal of the American Heart Association, 5(9), [e003477]. https://doi.org/10.1161/JAHA.116.003477

Cerebral Microbleeds, Vascular Risk Factors, and Magnetic Resonance Imaging Markers : The Northern Manhattan Study. / Caunca, Michelle R.; Del Brutto, Victor; Gardener, Hannah; Shah, Nirav; Dequatre-Ponchelle, Nelly; Cheung, Ying Kuen; Elkind, Mitchell S.V.; Brown, Truman R.; Cordonnier, Charlotte; Sacco, Ralph L; Wright, Clinton B.

In: Journal of the American Heart Association, Vol. 5, No. 9, e003477, 01.09.2016.

Research output: Contribution to journalArticle

Caunca, MR, Del Brutto, V, Gardener, H, Shah, N, Dequatre-Ponchelle, N, Cheung, YK, Elkind, MSV, Brown, TR, Cordonnier, C, Sacco, RL & Wright, CB 2016, 'Cerebral Microbleeds, Vascular Risk Factors, and Magnetic Resonance Imaging Markers: The Northern Manhattan Study', Journal of the American Heart Association, vol. 5, no. 9, e003477. https://doi.org/10.1161/JAHA.116.003477
Caunca, Michelle R. ; Del Brutto, Victor ; Gardener, Hannah ; Shah, Nirav ; Dequatre-Ponchelle, Nelly ; Cheung, Ying Kuen ; Elkind, Mitchell S.V. ; Brown, Truman R. ; Cordonnier, Charlotte ; Sacco, Ralph L ; Wright, Clinton B. / Cerebral Microbleeds, Vascular Risk Factors, and Magnetic Resonance Imaging Markers : The Northern Manhattan Study. In: Journal of the American Heart Association. 2016 ; Vol. 5, No. 9.
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