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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/41146
Title: Differentiation of Takotsubo cardiomyopathy from ST elevation myocardial infarction in patients activated for fast-track coronary angiography
Authors: Thidaporn Tangkittikasem
Nattawut Wongpraparut
Pradit Panchavinnin
Damras Tresukosol
Chunhakasem Chotinaiwattarakul
Rewat Phankingthongkum
Wiwun Tungsubutra
Suthipol Udompunturak
Rungtiwa Pongakasira
Mahidol University
Keywords: Medicine
Issue Date: 1-Sep-2016
Citation: Journal of the Medical Association of Thailand. Vol.99, No.9 (2016), 996-1004
Abstract: © 2016, Medical Association of Thailand. All rights reserved. Objective: To compare clinical and electrocardiographic (ECG) features between Takotsubo cardiomyopathy (TC) and ST-elevation myocardial infarction (STEMI). Material and Method: We retrospectively reviewed clinical, electrocardiographic, and laboratory features of20 consecutive TC patients and 155 consecutive STEMI patients who were activated for fast-track coronary angiography and were ultimately diagnosed with either TC or STEMI and compared these data between the two groups. Results: Patients with TC were older (p = 0.001), more often female (p = 0.001), had more often been triggered by intense emotional or physical stress (p = 0.001) or illness (p = 0.001), and had a lower rate of smoking (p = 0.005) than STEMI patients. Compared with patients who presented with anterior wall STEMI, those with TC less commonly had Q waves (30.0% vs. 62.9%, p = 0.007) and reciprocal change (0.0% vs. 37.1%, p = 0.001), and had a lower rate of ST-segment elevation in lead V1 (5.0% vs. 59.8%, p = 0.001). ST-segment depression was also more common in TC in lead aVR (20.0% vs. 2.1%, p = 0.008). Previously proposed ECG criteria had low sensitivity, but high specificity in our patients. Our proposed point scoring model includes the use of both clinical and ECG findings. According to our proposed model, a score >4 had 90% sensitivity and 98% specificity in differentiating TC from acute anterior STEMI (AUC = 0.976, p<0.001). Conclusion: In patients activated for fast-track coronary angiography because of acute coronary ST-segment elevation syndrome, a number of clinical and ECG features differ between TC patients and patients with true STEMI. Our proposed point scoring model that uses clinical and ECG findings demonstrated improved diagnostic accuracy in differentiating TC from acute anterior STEMI.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85006967315&origin=inward
http://repository.li.mahidol.ac.th/dspace/handle/123456789/41146
ISSN: 01252208
Appears in Collections:Scopus 2016-2017

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