TakoTsubo Syndrome: First an Acute Coronary Vasculitis and Then Prolonged Myocarditis?
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Date
2022
Authors
Girolamo, O.C.
Surikow, S.Y.
Ong, G.J.
Nguyen, T.H.
Kucia, A.M.
Chirkov, Y.Y.
Horowitz, J.D.
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Reviews in Cardiovascular Medicine, 2022; 23(5):152-1-152-9
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Olivia C Girolamo, Sven Y Surikow, Gao-Jing Ong, Thanh Ha Nguyen, Angela M Kucia, Yuliy Y Chirkov, John D Horowitz
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Abstract
Since its initial description by Japanese investigators 30 years ago, TakoTsubo Syndrome (TTS) has variously been regarded as a form of acute coronary syndrome and also as a form of cardiomyopathy (or more accurately, a myocarditis). There is actually good evidence that TTS embodies both of these concepts, and the main purpose of this review is to present data that they occur sequentially. The initial phase of the disorder (over perhaps the first 48 hours post onset of symptoms) represents a form of vasculitis, with associated damage to the endothelial glycocalyx and associated permeabilization of blood vessels. This is followed by a more prolonged phase of myocardial inflammation and oedema, associated with inflammatory activation and energetic impairment within the entire myocardium. Although this phase subsides after several months, it may be followed by longstanding impairment of myocardial function, reflecting residual fibrosis. Understanding of this gradual transition in TTS pathogenesis from vasculature towards myocardium remains an important limitation of patient management, especially as many patients are still told that their hearts have “recovered” within 1–2 weeks. A number of important uncertainties remain. These include development of specific early and ongoing therapeutic strategies to be used to match the sequential pathogenesis of TTS.
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© 2022 The Author(s). Published by IMR Press. This is an open access article under the CC BY 4.0 license