ArticleJournal of clinical tuberculosis and other mycobacterial diseases2020
A rare manifestation of Takotsubo Cardiomyopathy associated with non-tuberculous mycobacterium.
Article in Journal of clinical tuberculosis and other mycobacterial diseases, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundTakotsubo Cardiomyopathy or broken heart syndrome is a rare cause of non-ischemic cardiomyopathy that produce left ventricular dysfunction with characteristic left ventricular apical ballooning. It rarely caused by infection. We present an atypical manifestation of non-tuberculous mycobacterial (NTM) infection with myocardial involvement and its diagnostic challenge. CASE ILLUSTRATION: A 57-year-old female presented with prolonged fever, fatigue and weight loss for one and half months. General examination was unremarkable with elevated C-Reactive Protein and normal troponin. Electrocardiogram (ECG) showed diffuse T wave inversion with prolonged QTc. Echocardiography showed hypokinetic apical with normal ejection fraction. Angiography showed patent coronary arteries. Ventriculography showed apical ballooning. Workup with ethambutol scan revealed active mycobacterial infection in both lung and mesentery. Sputum polymerase chain reaction (PCR) was positive for non-tuberculous mycobacterium. Follow up ECG and echocardiography showed improvement in QTc interval and left ventricular wall motion abnormalities.
resultsTakotsubo Cardiomyopathy may manifest as asymptomatic ventricular dysfunction following non-tuberculous mycobacterial infection. A thorough investigation will help identify the systemic disease with cardiac involvement which potentially could be fatal.
conclusionTakotsubo cardiomyopathy may be triggered by infection. Identification of causal is crucial as a management strategy to restore cardiac function.
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