Reversible Left Ventricular Dysfunction "Takotsubo" Cardiomyopathy Associated With Hyperthyroidism

Shinsuke Miyazaki; Tetsuo Kamiishi; Noriyo Hosokawa; Masatoshi Komura; Hideo Konagai; Hiroshi Sagai; Toshihiko Takamoto

doi:10.1536/jhj.45.889

Case Reports

Reversible Left Ventricular Dysfunction "Takotsubo" Cardiomyopathy Associated With Hyperthyroidism

Shinsuke Miyazaki, Tetsuo Kamiishi, Noriyo Hosokawa, Masatoshi Komura, Hideo Konagai, Hiroshi Sagai, Toshihiko Takamoto

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Keywords: Myocardial stunning, Hyperthyroidism, Takotsubo cardiomyopathy

JOURNAL FREE ACCESS

2004 Volume 45 Issue 5 Pages 889-894

DOI https://doi.org/10.1536/jhj.45.889

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Abstract

Myocardial stunning with hyperthyroidism is rare. A 79-year old woman with hyperthyroidism was admitted to our hospital complaining of palpitations due to paroxysmal atrial fibrillation. An echocardiogram showed akinesis of the apical wall which was not observed 2 weeks before admission. Cardiac catheterization performed in the acute phase showed normal coronary arteries and no evidence of provocative spasms. The wall motion abnormality disappeared entirely after 1 week in hospital. We report a case of transient left ventricular dysfunction, so called "takotsubo" cardiomyopathy, associated with hyperthyroidism.

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