ストレイン型と非ストレイン型心電図を呈した脳卒中患者群の心臓形態及び心機能の検討

概要

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A functional and morphonological differences between electrocardiogram with strain-pattern and without strain-pattern in cerebral vascular disease patients. We studied the factors of left ventricular hypertropby with a strain-pattern on electrocardiogram. The patients were divided into 2 groups; group A: left ventricular hypertrophy with strain-pattern (17patients), group B: left ventricular hypertrophy without strain-pattern (11patients). We examined the following studies for all patients; 2 dimensional echocardiography (2DE), pulsed doppler echocardiography (PD). A magnetic resonance imaging (MRI) study of the left ventriculus were done for 6 patients. The patients of group A had significant thickness at ventricular septum in 2DE, and lower amplitude of R wave and lower deceleration rate in PD than other group and 20 normal control groups. A strain-pattern on electrocargiogram improved in 3 patients and showed no remakable change in 14 patients, after normalization of the blood pressure. Those results suggest that a left ventricular hypertrophy was a factor of causes of strain-pattern on electrocargiogram.
信州大学の論文