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  • Title: Neuroimaging of young adults with stroke in Ilorin Nigeria.
    Author: Oyinloye O, Nzeh D, Adesiyun O, Ibrahim M, Akande H, Sanya E.
    Journal: Ann Afr Med; 2015; 14(2):82-8. PubMed ID: 25693815.
    Abstract:
    BACKGROUND: Stroke in young adults is relatively uncommon. Computed tomography (CT) and magnetic resonance imaging (MRI) are the most valuable tools for the diagnosis of stroke. Recent data on stroke in young adults in Nigeria is sparse. The aim of this study is to document the imaging pattern in young patients aged 15-45 years with suspected cerebrovascular accidents (CVA) in the Nigerian environment. MATERIALS AND METHODS: This was a retrospective study of 69 patients aged 15-45 years, with clinical diagnosis of stroke, referred for neuro-imaging, from October 2008 to November 2013. All patients with the clinical diagnosis of stroke within this age group were recruited into the study. Images were obtained from a four slice channel general electric CT machine and a 0.2 Tesla Siemens Magnetom Concerto MRI scanner. RESULTS: A total of 69 patients (44 males and 25 females) were studied. Sixty out of 69 (87.0%) patients were accurately diagnosed with CVA, with 9 (13.0) cases of misdiagnoses. A total of 21 (35%) out of the 60 cases confirmed on imaging had intracerebral hemorrhage (ICH), 10 (16.7%) had subarachnoid hemorrhage (SAH) and 29 (48.3%) had cerebral infarct (CI). Hypertension was the common risk factor for all stroke subtypes. The most common location for ICH, was the basal ganglia in 8 (38.8%), while the commonest pattern for CI, was lacunar infarct in the basal ganglia (51.7%). CONCLUSION: The incidence of hemorrhagic CVA (ICH and SAH combined) was slightly higher than ischemic CVA in this study. Lacunar infarcts in the basal ganglia and also ICH in the basal ganglia were the most common patterns, both are strongly linked to hypertension. A diagnostic protocol of stroke in young adults, to include neuroimaging and other ancillary investigations is advocated for stroke in young adults as some of the etiologies are treatable.
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