Key result
Acute coronary syndrome triggered post-ischemic myocardial stunning with typical features of Takotsubo syndrome in all 20 patients, suggesting ACS may trigger rather than exclude Takotsubo syndrome.
Observational (n=20)
No
Acute coronary syndrome can trigger Takotsubo syndrome, suggesting that obstructive coronary artery disease should not be an absolute exclusion criterion for the diagnosis of Takotsubo syndrome.
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May indicate ACS can trigger Takotsubo features; hypothesis-generating and leaves open revision of CAD exclusion criteria.
Over a period of 3 years (May 2010 to May 2013) , 20 cases were identified in our department with the following clinical characteristics: First, a clinical presentation of ACS; second, a coronary angiography, done during the first days of admission, showing an acute coronary culprit lesion accounting for the ACS; third, left ventriculography showing signs of left ventricular dysfunction, which extended beyond the supply region of the diseased coronary artery; Fourth, 18 patients have followed up with some forms of cardiac image study to demonstrate the reversibility of the left ventricular dysfunction. The study is an observational one and the left ventriculography was done either when the coronary
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Shams Y‐Hassan (2015) conducted an observational in Acute Coronary Syndrome (n=20). Acute Coronary Syndrome (Exposure) was evaluated on Post-ischemic myocardial stunning with features of Takotsubo syndrome extending beyond the supply region of the diseased coronary artery. Acute coronary syndrome triggered post-ischemic myocardial stunning with typical features of Takotsubo syndrome in all 20 patients, suggesting ACS may trigger rather than exclude Takotsubo syndrome.
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