White matter hyperintensity volume is increased in small vessel stroke subtypes

N. S. Rost, R. M. Rahman, A. Biffi, E. E. Smith, A. Kanakis, K. Fitzpatrick, F. Lima, B. B. Worrall, James F Meschia, Robert D Jr. Brown, Thomas G Brott, A. G. Sorensen, S. M. Greenberg, K. L. Furie, J. Rosand

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Abstract

OBJECTIVE:: White matter hyperintensity (WMH) may be a marker of an underlying cerebral microangiopathy. Therefore, we hypothesized that WMH would be most severe in patients with lacunar stroke and intracerebral hemorrhage (ICH), 2 types of stroke in which cerebral small vessel (SV) changes are pathophysiologically relevant. METHODS:: We determined WMH volume (WMHV) in cohorts of prospectively ascertained patients with acute ischemic stroke (AIS) (Massachusetts General Hospital [MGH], n = 628, and the Ischemic Stroke Genetics Study [ISGS], n = 263) and ICH (MGH, n = 122). RESULTS:: Median WMHV was 7.5 cm (interquartile range 3.4-14.7 cm) in the MGH AIS cohort (mean age 65 ± 15 years). MGH patients with larger WMHV were more likely to have lacunar stroke compared with cardioembolic (odds ratio [OR] = 1.87 per SD normally transformed WMHV), large artery (OR = 2.25), undetermined (OR = 1.87), or other (OR = 1.85) stroke subtypes (p < 0.03). These associations were replicated in the ISGS cohort (p = 0.03). In a separate analysis, greater WMHV was seen in ICH compared with lacunar stroke (OR = 1.2, p < 0.02) and in ICH compared with all ischemic stroke subtypes combined (OR = 1.34, p < 0.007). CONCLUSIONS:: Greater WMH burden was associated with SV stroke compared with other ischemic stroke subtypes and, even more strongly, with ICH. These data, from 2 independent samples, support the model that increasing WMHV is a marker of more severe cerebral SV disease and provide further evidence for links between the biology of WMH and SV stroke.

Original languageEnglish (US)
Pages (from-to)1670-1677
Number of pages8
JournalNeurology
Volume75
Issue number19
DOIs
StatePublished - Nov 9 2010

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Stroke
Cerebral Hemorrhage
Odds Ratio
Lacunar Stroke
General Hospitals
Cerebral Small Vessel Diseases
White Matter
Cohort Studies
Arteries

ASJC Scopus subject areas

  • Clinical Neurology

Cite this

Rost, N. S., Rahman, R. M., Biffi, A., Smith, E. E., Kanakis, A., Fitzpatrick, K., ... Rosand, J. (2010). White matter hyperintensity volume is increased in small vessel stroke subtypes. Neurology, 75(19), 1670-1677. https://doi.org/10.1212/WNL.0b013e3181fc279a

White matter hyperintensity volume is increased in small vessel stroke subtypes. / Rost, N. S.; Rahman, R. M.; Biffi, A.; Smith, E. E.; Kanakis, A.; Fitzpatrick, K.; Lima, F.; Worrall, B. B.; Meschia, James F; Brown, Robert D Jr.; Brott, Thomas G; Sorensen, A. G.; Greenberg, S. M.; Furie, K. L.; Rosand, J.

In: Neurology, Vol. 75, No. 19, 09.11.2010, p. 1670-1677.

Research output: Contribution to journalArticle

Rost, NS, Rahman, RM, Biffi, A, Smith, EE, Kanakis, A, Fitzpatrick, K, Lima, F, Worrall, BB, Meschia, JF, Brown, RDJ, Brott, TG, Sorensen, AG, Greenberg, SM, Furie, KL & Rosand, J 2010, 'White matter hyperintensity volume is increased in small vessel stroke subtypes', Neurology, vol. 75, no. 19, pp. 1670-1677. https://doi.org/10.1212/WNL.0b013e3181fc279a
Rost NS, Rahman RM, Biffi A, Smith EE, Kanakis A, Fitzpatrick K et al. White matter hyperintensity volume is increased in small vessel stroke subtypes. Neurology. 2010 Nov 9;75(19):1670-1677. https://doi.org/10.1212/WNL.0b013e3181fc279a
Rost, N. S. ; Rahman, R. M. ; Biffi, A. ; Smith, E. E. ; Kanakis, A. ; Fitzpatrick, K. ; Lima, F. ; Worrall, B. B. ; Meschia, James F ; Brown, Robert D Jr. ; Brott, Thomas G ; Sorensen, A. G. ; Greenberg, S. M. ; Furie, K. L. ; Rosand, J. / White matter hyperintensity volume is increased in small vessel stroke subtypes. In: Neurology. 2010 ; Vol. 75, No. 19. pp. 1670-1677.
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T1 - White matter hyperintensity volume is increased in small vessel stroke subtypes

AU - Rost, N. S.

AU - Rahman, R. M.

AU - Biffi, A.

AU - Smith, E. E.

AU - Kanakis, A.

AU - Fitzpatrick, K.

AU - Lima, F.

AU - Worrall, B. B.

AU - Meschia, James F

AU - Brown, Robert D Jr.

AU - Brott, Thomas G

AU - Sorensen, A. G.

AU - Greenberg, S. M.

AU - Furie, K. L.

AU - Rosand, J.

PY - 2010/11/9

Y1 - 2010/11/9

N2 - OBJECTIVE:: White matter hyperintensity (WMH) may be a marker of an underlying cerebral microangiopathy. Therefore, we hypothesized that WMH would be most severe in patients with lacunar stroke and intracerebral hemorrhage (ICH), 2 types of stroke in which cerebral small vessel (SV) changes are pathophysiologically relevant. METHODS:: We determined WMH volume (WMHV) in cohorts of prospectively ascertained patients with acute ischemic stroke (AIS) (Massachusetts General Hospital [MGH], n = 628, and the Ischemic Stroke Genetics Study [ISGS], n = 263) and ICH (MGH, n = 122). RESULTS:: Median WMHV was 7.5 cm (interquartile range 3.4-14.7 cm) in the MGH AIS cohort (mean age 65 ± 15 years). MGH patients with larger WMHV were more likely to have lacunar stroke compared with cardioembolic (odds ratio [OR] = 1.87 per SD normally transformed WMHV), large artery (OR = 2.25), undetermined (OR = 1.87), or other (OR = 1.85) stroke subtypes (p < 0.03). These associations were replicated in the ISGS cohort (p = 0.03). In a separate analysis, greater WMHV was seen in ICH compared with lacunar stroke (OR = 1.2, p < 0.02) and in ICH compared with all ischemic stroke subtypes combined (OR = 1.34, p < 0.007). CONCLUSIONS:: Greater WMH burden was associated with SV stroke compared with other ischemic stroke subtypes and, even more strongly, with ICH. These data, from 2 independent samples, support the model that increasing WMHV is a marker of more severe cerebral SV disease and provide further evidence for links between the biology of WMH and SV stroke.

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