Takotsubo cardiomyopathy, which is characterized by transient left ventricular apical ballooning, is a known complication of subarachnoid hemorrhage. The aim of this study was to identify the clinical characteristics of acute ischemic stroke patients who experienced development of takotsubo cardiomyopathy. Seven patients who were diagnosed as having takotsubo cardiomyopathy based on their electrocardiographic and echocardiographic findings were studied. They were selected from among 569 consecutive patients who were admitted to our stroke center within 24 hours after onset of acute ischemic stroke. The findings of nine previously published cases were also reviewed. All seven patients were women, and six were 75 years or older. The initial National Institutes of Health Stroke Scale score ranged from 3 to 28. The culprit infarcts included or were close to the insular cortex in six patients and were located extensively in the vertebrobasilar arterial territory in the other patient. Abnormal findings on electrocardiographic monitoring appeared within 10 hours after stroke onset in five patients and at 6 and 12 days, respectively, in the other two patients. The cardiomyopathy was symptomatic in only two patients. Plasma brain natriu...Continue Reading
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