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  • Title: Cerebral microbleeds and fatigue in stroke.
    Author: Tang WK, Liu XX, Chen YK, Abrigo J, Chu WC, Mok VC, Ungvari GS, Wong KS.
    Journal: Eur Neurol; 2014; 71(5-6):213-6. PubMed ID: 24481413.
    Abstract:
    BACKGROUND AND PURPOSE: Poststroke fatigue (PSF) is a frequent and persistent problem in stroke survivors. The neuroanatomical model of PSF remains unclear. This study examined the association between PSF and cerebral microbleeds (CMBs). METHODS: The sample comprised 199 patients with acute ischemic stroke. A psychiatrist who was blind to the subjects' radiological data administered the Chinese version of the Fatigue Severity Scale. PSF was defined as a Fatigue Severity Scale score of 4.0 or more. The locations of CMBs were evaluated with magnetic resonance imaging within 7 days of admission. RESULTS: Of the 199 patients screened, 47 (23.6%) had PSF. The PSF group had a higher Geriatric Depression Scale score (p < 0.001) and a trend for a higher age (p = 0.074). The proportion of patients with deep CMBs was significantly higher in the PSF group (66.0 vs. 48.7%; p = 0.038). The presence of deep CMBs was a significant independent predictor of PSF with an odds ratio of 2.68 (p = 0.016). CONCLUSION: The results suggest that deep CMBs are associated with a higher risk of PSF. Further studies are needed to clarify whether CMBs affect the clinical presentation, treatment response and outcome of PSF.
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