Associations of small vessel disease and acute symptomatic seizures in ischemic stroke patients

Cerebral microbleeds (CMBs), markers of small vessel disease are frequent in ischemic stroke, yet the association with acute symptomatic seizures (ASS) has not been well characterized. A retrospective cohort of hospitalized patients with anterior circulation ischemic stroke. The association of CMBs...

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Published inEpilepsy & behavior Vol. 145; p. 109233
Main Authors Lekoubou, Alain, Ssentongo, Paddy, Maffie, Jonathon, Debroy, Kunal, Kwon, Michelle, Nguyen, Clever, Pelton, Matthew, Watt, Benjamin, Ceasar, Justin, Dinunno, Nadia, Satyasi, Vivek, Pascal Kengne, Andre, Bonilha, Leonardo, Chinchilli, Vernon M.
Format Journal Article
LanguageEnglish
Published United States Elsevier Inc 01.08.2023
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Summary:Cerebral microbleeds (CMBs), markers of small vessel disease are frequent in ischemic stroke, yet the association with acute symptomatic seizures (ASS) has not been well characterized. A retrospective cohort of hospitalized patients with anterior circulation ischemic stroke. The association of CMBs with acute symptomatic seizures was assessed using a logistic regression model and causal mediation analysis. Of 381 patients, 17 developed seizures. Compared with patients without CMBs, those with CMBs had a three-fold higher unadjusted odds of seizures (unadjusted OR: 3.84, 95% 1.16–12.71, p = 0.027). After adjusting for confounders such as stroke severity, cortical infarct location, and hemorrhagic transformation, the association between CMBs and ASS was attenuated (adjusted OR: 3.11, 95%CI: 0.74–11.03, p = 0.09). The association was not mediated by stroke severity. In this cohort of hospitalized patients with anterior circulation ischemic stroke, CMBs were more likely to be found in patients with ASS than those without ASS, an association that was attenuated when accounting for stroke severity, cortical infarct location, and hemorrhagic transformation. Evaluation of the long-term risk of seizures associated with CMBs and other markers of small vessel disease is warranted.
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ISSN:1525-5050
1525-5069
DOI:10.1016/j.yebeh.2023.109233