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Case report: spontaneous coronary artery dissection and suspicion of takotsubo cardiomyopathy in a patient presenting with T-wave inversions, severe QTc prolongation, elevated cardiac biomarkers, and apical akinesia: spontaneous coronary artery dissection and suspicion of takotsubo cardiomyopathy in a patient presenting with T-wave inversions, severe QTc prolongation, elevated cardiac biomarkers, and apical akinesia

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Background: In patients suspected of acute coronary syndrome, but where the coronary angiography (CAG) has shown unobstructed coronary arteries differential diagnoses include spontaneous coronary artery dissection and takotsubo cardiomyopathy. This case report presents a patient with spontaneous coronary artery dissection but diagnostic signs suspicious of takotsubo cardiomyopathy. Which leads to a consideration of the co-existence of the diseases.

Case summary: A 57-year-old woman was acutely admitted to the emergency ward with sudden development of chest discomfort, palpitations, and dyspnoea. At hospitalization, the electrocardiography showed T-wave inversions in I, aVL, and V2, and Troponin I was elevated. Initial echocardiography revealed apical akinesia consistent with takotsubo cardiomyopathy. Initially, a diagnosis of acute coronary syndrome or takotsubo cardiomyopathy was suspected. The patient was further diagnostically assessed with CAG including optical coherence tomography which showed spontaneous coronary artery dissection in the left anterior descending artery. At follow-up 3 months later, CAG showed a fully healed coronary artery, and repeated echocardiography showed normalization of the left ventricular function.

Discussion: In this case report, initially, acute coronary syndrome was suspected due to electrocardiography with T-wave inversions and elevated cardiac biomarkers. Takotsubo cardiomyopathy was suspected when echocardiography showed apical ballooning, but CAG with optical coherence tomography revealed a spontaneous coronary artery dissection. Interestingly no severe obstructions of coronary arteries were seen, and follow-up echocardiography showed fully regained myocardial function. This leads to the debate as to whether this might be a case of co-existing spontaneous coronary artery dissection and takotsubo cardiomyopathy.

Original languageEnglish
JournalEuropean Heart Journal - Case Reports
Volume4
Issue number5
Pages (from-to)1-6
Number of pages6
ISSN2514-2119
DOIs
Publication statusPublished - Oct 2020

ID: 61898064