MRI Markers Predict Stroke Recurrence and Mortality: Insights from a 2025 Meta-Analysis on Cerebral Small-Vessel Disease

๐ฐ๐ง ๐ฌ STROKE STUDY HIGHLIGHTS – Cerebral Small-Vessel Disease Markers on Magnetic Resonance Imaging as Predictors of Recurrent Vascular Events and Death in Ischemic Stroke: A Systematic Review and Meta-Analysis by Hairus S., et al.
๐ฆ๐๐๐ฑ๐ ๐๐ถ๐บ:
The study aims to evaluate white matter hyperintensities (WMHs) and cerebral microbleeds (CMBs) as predictors of recurrent stroke, cardiovascular death, and allโcause death in patients with acute ischemic stroke (AIS).
๐๐ฒ๐ ๐๐ถ๐ป๐ฑ๐ถ๐ป๐ด๐:
White Matter Hyperintensities (WMHs):
โข Increased the risk of having another stroke by 72% (HR 1.72).
โข Increased the risk of dying from any cause by 58% (HR 1.58).
Cerebral Microbleeds (CMBs):
โข Increased the risk of stroke recurrence by 88% (HR 1.88).
โข Increased the risk of cardiovascular death by 45% (HR 1.45).
โข The location mattered: Lobar or mixed-type microbleeds (closer to the brain surface) were linked with higher risk than deep microbleeds (in the basal ganglia or brainstem).
The more WMHs or CMBs a person had, the higher their risk โ so the burden (amount) matters.
๐๐ผ๐ป๐ฐ๐น๐๐๐ถ๐ผ๐ป๐:
Both WMHs and CMBs independently predict stroke recurrence and death after ischemic stroke.
Assessing their amount and location on MRI helps doctors:
โข Identify patients at higher risk for another stroke.
โข Guide follow-up and treatment (e.g., blood pressure and antiplatelet management).
โข Improve overall post-stroke prevention and care.
๐ Access the full article at: Hairus S, M. N., Srinivasan, A., Shaik Mohideen, S. A., MacAlevey, N. C. Y. L., Chan, M. Y., Leow, A. S. T., Zhou, X., Lip, G. Y. H., Tan, B. Y. Q., Yeo, L. L. L., Teo, Y. N., Teo, Y. H., & Sia, C. H. (2025). Cerebral Small-Vessel Disease Markers on Magnetic Resonance Imaging as Predictors of Recurrent Vascular Events and Death in Ischemic Stroke: A Systematic Review and Meta-Analysis. Journal of the American Heart Association, 14(17), e040082. https://www.ahajournals.org/doi/10.1161/JAHA.124.040082. This is an open-access article under a CC-BY-NC license.