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  • Title: Prognostic Relationships between Microbleed, Lacunar Infarction, White Matter Lesion, and Renal Dysfunction in Acute Ischemic Stroke Survivors.
    Author: Jeon JW, Jeong HS, Choi DE, Ham YR, Na KR, Lee KW, Shin JW, Kim J.
    Journal: J Stroke Cerebrovasc Dis; 2017 Feb; 26(2):385-392. PubMed ID: 27793532.
    Abstract:
    BACKGROUND: It is well known that renal dysfunction and cerebral small-vessel disease (SVD), including microbleed, lacunar infarction, and white matter lesion (WML), are associated with poor prognosis after ischemic stroke. However, the prognostic relationship between renal dysfunction and SVD has not been well evaluated in acute ischemic stroke survivors. Therefore, in this study, we evaluated the prognostic relationships between estimated glomerular filtration rate (eGFR) and cerebral SVD after acute ischemic stroke. METHODS: We retrospectively reviewed the clinical and radiological data of acute ischemic stroke survivors with decreased eGFR (<60 mL/min/1.73 m2, n = 128) and controls (eGFR ≥60 mL/min/1.73 m2, n = 128). The presence of SVD was evaluated according to magnetic resonance imaging performed on admission. Mortality data were obtained from medical chart reviews and telephone interviews. RESULTS: Patients with silent lacunar infarction, WML, or microbleed had lower eGFR than patients without such lesions (60.4 ± 34.8 versus 87.5 ± 28.4 mL/min/1.73 m2, 60.5 ± 37.1 versus 73.9 ± 33.3 mL/min/1.73 m2, and 57.6 ± 33.3 versus 73.9 ± 32.9 mL/min/1.73 m2, respectively). In addition, the multivariate adjusted odds ratio for the presence of SVD increased inversely with eGFR. Three-year survival was lower in patients with renal dysfunction and each type of SVD. The presence of WML was an independent risk factor for cardiovascular death. CONCLUSIONS: Renal impairment was associated with the presence of SVD in acute ischemic stroke survivors. Both renal impairment and the presence of SVD were predictors of poor poststroke survival.
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