Coronary Artery Anomaly in Takotsubo Cardiomyopathy: Cause or Innocent Bystander?

Gräni, Christoph; Grunwald, Christoph; Windecker, Stephan; Siontis, Georgie C. M. (2020). Coronary Artery Anomaly in Takotsubo Cardiomyopathy: Cause or Innocent Bystander? Texas Heart Institute journal, 47(1), pp. 44-46. Texas Heart Institute 10.14503/THIJ-18-6809

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Coronary artery anomalies can provoke intermittent vasospasm and endothelial dysfunction, which can cause takotsubo cardiomyopathy. However, in takotsubo cardiomyopathy, apical myocardial regions are typically affected, and these do not correlate with a specific epicardial coronary distribution territory. We report the case of a 74-year-old woman who presented with acute respiratory failure and suspected myocardial infarction. She had a left coronary artery anomaly, dominant right coronary artery supply, takotsubo cardiomyopathy, depressed left ventricular ejection fraction, and no atherosclerotic disease. In the absence of exercise ischemia, we considered the anomalous artery to be an incidental finding. After 6 weeks of medical therapy, the patient's ejection fraction was normal; one year later, she remained asymptomatic. The anomalous left coronary artery in the presence of dominant right coronary supply did not explain the diffuse apical regional wall-motion abnormalities in our patient. To our knowledge, this is the first report of coexisting takotsubo cardiomyopathy and anomalous coronary artery in a patient presenting with acute dyspnea.

Item Type:

Journal Article (Further Contribution)


04 Faculty of Medicine > Department of Radiology, Neuroradiology and Nuclear Medicine (DRNN) > Clinic of Nuclear Medicine
04 Faculty of Medicine > Department of Cardiovascular Disorders (DHGE) > Clinic of Cardiology

UniBE Contributor:

Gräni, Christoph, Grunwald, Christoph, Windecker, Stephan, Siontis, Georgios


600 Technology > 610 Medicine & health




Texas Heart Institute




Nadia Biscozzo

Date Deposited:

30 Nov 2020 10:54

Last Modified:

05 Dec 2022 15:41

Publisher DOI:


PubMed ID:


Uncontrolled Keywords:

Coronary vessel anomalies/complications/diagnostic imaging/physiopathology multimodal imaging/methods risk factors takotsubo cardiomyopathy/physiopathology treatment outcome ventricular dysfunction, left




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