Population
47 patients with Takotsubo cardiomyopathy (TTC) confirmed by coronary angiography and left ventriculography
Design
Cross-sectional
Authors
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May inform echocardiographic risk stratification in Takotsubo; leaves open mechanism-specific therapeutic targets.
Systolic anterior motion (SAM) and tethering of the mitral valve are independent mechanisms with differing pathophysiology that lead to acute mitral regurgitation in Takotsubo cardiomyopathy.
Izumo et al. (2011) studied this question.
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