ArticleBrain and behavior2025
The Prevalence and Characteristics of Embolic Stroke of Undetermined Source Among Sudanese Patients From November 2019 to March 2020: A Cross-Section Study.
Article in Brain and behavior, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
aimTo study the prevalence and characteristics of embolic stroke of undetermined source (ESUS) among Sudanese patients.
methodsThis cross-sectional study included 70 patients with recent ischemic strokes at the National Center for Neurological Sciences of Ibrahim Malik Hospital and Omdurman Teaching Hospital in Khartoum from November 2019 to March 2020. Characteristics of ESUS patients were analyzed and compared with stroke of determined source (SDS) patients. Demographics were analyzed, alongside clinical history. Imaging findings from computed tomography (CT) scans, carotid Doppler ultrasound, and echocardiographic evaluations were also assessed.
resultsThere were 18 (25.7%) cases in ESUS group and 52 (74.3%) cases in SDS group. ESUS group was significantly younger (44.3 ± 9.9 vs. 62.3 ± 17.7 years; p value < 0.001) with female predominance (66.7% vs. 46.2%; p value = 0.001) than SDS group. Risk factors such as hypertension (44.2%) and diabetes mellitus (DM) (35.6%) were prevalent in the SDS group. In electrocardiography (ECG) findings, left ventricular hypertrophy (LVH) (ESUS = 16.7% vs. SDS = 7.7%) and bradycardia (ESUS = 5.6% vs. SDS = 0%) were common among ESUS patients, while, atrial fibrillation (AF) (ESUS = 0% vs. SDS = 15.4%), ischemic changes (ESUS = 11.1% vs. SDS = 32.7%), and left bundle branch block (LBBB) (ESUS = 0% vs. SDS = 7.7%) were common among SDS patients. Normal echocardiography (64.7% vs. 17.3%; p value = 0.003) as well as carotid ultrasonography (US) findings (61.1% vs. 36.5%; p value = 0.002) were more prevalent in the ESUS group than in the SDS group. Multivariate analysis identified female gender (OR = 2.33; 95% CI: 1.76-7.16; p value = 0.016), normal findings on echocardiography (OR = 8.19; 95% CI: 2.76-24.32; p value 0.003), normal carotid Doppler ultrasound (OR = 5.0; 95% CI: 1.87-32.7; p value = 0.023), and normal ECG findings (OR = 3.5; 95% CI: 1.17-10.44; p value = 0.036) as significant predictors of ESUS.
conclusionThe study underscores significant differences between ESUS and SDS patients, highlighting the need for tailored clinical approaches based on stroke classification.
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