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Year : 2018  |  Volume : 15  |  Issue : 2  |  Page : 71-76

Echocardiographic findings in Nigerian patients with stroke

1 Department of Medicine, Public Health and Diagnostic Institute, Yusuf Maitama Sule University Hospital, Kano State, Nigeria
2 Department of Medicine, Bayero University Kano, Aminu Kano Teaching Hospital, Kano State, Nigeria
3 Department of Medicine, Jos University Teaching Hospital, Plateau State, Nigeria

Correspondence Address:
Dr. Jamila Ado Ya'u
Department of Medicine, Public Health and Diagnostic Institute, Yusuf Maitama Sule University Kano
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/njc.njc_6_18

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Stroke is the third leading cause of death in several industrial countries and cardio-embolism accounts for 15–30% of ischaemic strokes. Studies investigating associations between echocardiographic parameters and stroke mechanisms are limited. This study therefore aimed at assessing echocardiographic parameters and left ventricular (LV) functions in stroke patients in comparison with apparent healthy controls. This was a case-control study conducted at Aminu Kano Teaching Hospital Kano, Nigeria. 100 stroke subjects were consecutively recruited and compared with 100 age and sex matched controls. Echocardiographic parameters studied include LV and Left atrial (LA) dimensions, LV hypertrophy (LVH), LV systolic and diastolic dysfunctions, regional wall motion abnormalities (RWMA), intracardiac thrombus, and valvular diseases using transthoracic echocardiography. The mean age of cases and controls was 56.4 ± 15.8years and 54.5 ± 15.4 years (P = 0.39), and M:F ratio was 1.1:1 among both cases and controls (P = 0.887). LVH was the most prevalent echocardiographic finding; found in 62% and 21% (P<0.01) of the cases and controls, respectively. Concentric LVH was found in 42% of the cases and 13% of controls, eccentric LVH in 23% of cases and 9% of the controls, while concentric remodeling was found in 5% of cases and 2% of controls (P < 0.001, 0.002 and 0.272 respectively). LV systolic dysfunction was found in 10% of the cases and 3% of the controls (P = 0.044), LV diastolic dysfunction in 48% of the cases and 18% of the controls (P < 0.001), while combined systolic and diastolic dysfunction was found in 12% of cases and 4% of the controls respectively (P = 0.038). Regional wall motion abnormality, Increased LA size, Aortic valve sclerosis and rheumatic valvular heart disease were commoner amongst cases than controls. Echocardiographic abnormalities were common among stroke patients and their presence could influence clinical decisions and outcomes. This study therefore supports echocardiographic evaluation of stroke patients.

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