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• W3033615518 abstract "Introduction: Thrombophilias are a known cause of acute ischemic stroke (AIS) in the young. We hypothesized that thrombophilias would be associated with an increased burden of chronic cerebrovascular disease in these patients. Methods: We included patients enrolled in the prospective Cornell AcutE Stroke Academic Registry (CAESAR) who were 18-65 years of age, diagnosed with AIS by brain MRI between 2011-2015, and had thrombophilia testing within 6 months of their stroke. The exposure variable was thrombophilia, defined as at least one positive thrombophilia test according to standard criteria. The primary outcome was the total Age-Related White Matter Changes (ARWMC) score (0-15). Secondary outcomes were the Fazekas score (0-3) and the number of chronic small vessel (subcortical) cerebral infarcts. Outcomes were determined by a single radiologist blinded to thrombophilia status using clinically-performed brain MRIs at the time of index stroke. Doubly robust estimator analyses were used to test the association between an underlying thrombophilia and outcomes. Models were adjusted for age, gender, race, and vascular risk factors. Results: Among 177 patients meeting eligibility criteria, mean age was 47 (SD, 10) years and 50% were women. Thrombophilia was detected in 77 patients (44%). The mean total ARWMC score, Fazekas score, and number of chronic small vessel infarcts were 1.90 (SD, 1.74), 0.91 (SD, 0.69), and 0.16 (SD, 0.63) in patients with thrombophilia and 2.16 (SD, 1.64), 1.07 (SD, 0.69) and 0.35 (SD, 0.81) in patients without thrombophilia. In multivariable analyses, there was no difference in the total ARWMC score (mean difference -0.05, 95% CI -0.43 to 0.33, p=0.80) or Fazekas score (mean difference -0.05, 95% CI -0.21 to 0.11, p=0.52) between patients with thrombophilia and those without. However, in multivariable analyses, the number of chronic infarcts (mean difference -0.22, 95% CI -0.42 to -0.01, p=0.01) was lower in patients with thrombophilia than in those without. Conclusions: In a single-center study of young adults with AIS, underlying thrombophilia was not associated with white matter disease burden. However, contrary to our hypothesis, it was inversely associated with the number of chronic small vessel infarcts." @default.
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• W3033615518 date "2020-02-01" @default.
• W3033615518 modified "2023-10-16" @default.
• W3033615518 title "Abstract TP217: Association Between Thrombophilia and Chronic Cerebrovascular Disease in Young Adults With Acute Ischemic Stroke" @default.
• W3033615518 doi "https://doi.org/10.1161/str.51.suppl_1.tp217" @default.
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