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Published on: February 17, 2018
Takotsubo cardiomyopathy
Hanna N Ahmed1, Russell A Linsky, Steven B Weinsier
1Department of Medicine, Division of Cardiology, Rhode Island & the Miriam Hospitals, Brown University Medical School, Providence, RI, USA.
Insights
Takotsubo cardiomyopathy, a stress-induced heart condition, mimics heart attacks but is usually reversible. Its exact cause and long-term treatment remain unclear.
Area of Science:
- Cardiology
- Internal Medicine
- Pathophysiology
Background:
- Takotsubo cardiomyopathy (TTC) presents symptoms similar to acute coronary syndrome.
- Patients undergo cardiac catheterization, revealing no critical coronary lesions.
- A characteristic left ventriculogram and preceding stressor are common in TTC patients.
Purpose of the Study:
- To summarize the clinical presentation, acute phase, and prognosis of Takotsubo cardiomyopathy.
- To highlight the current gaps in understanding the pathophysiology and long-term management of TTC.
Main Methods:
- Review of clinical case presentations and diagnostic findings in Takotsubo cardiomyopathy.
- Analysis of the typical course and reversibility of myocardial dysfunction.
Main Results:
- Takotsubo cardiomyopathy is characterized by transient left ventricular dysfunction.
- The acute phase can involve life-threatening arrhythmias, but most cases resolve within weeks.
- Myocardial dysfunction is reversible in the majority of patients.
Conclusions:
- The etiology and pathophysiology of Takotsubo cardiomyopathy require further investigation.
- Optimal long-term medical therapy for Takotsubo cardiomyopathy is not yet established.
- Further research is needed to clarify the underlying mechanisms and guide treatment strategies.
Abstract:
Takotsubo cardiomyopathy is a disease in which patients present with signs and symptoms mimicking an acute coronary syndrome and, thus, undergo cardiac catheterization. At the time of catheterization, however, no critical coronary lesions are found. Most of these patients have a characteristic left ventriculogram and recent history of a preceding stressor. While the acute phase of the illness can lead to ventricular tachyarrhythmias and possibly even death, a key feature of this syndrome in the majority of patients is its generally benign course and reversibility in myocardial dysfunction over a period of days to weeks. The pathophysiology of Takotsubo cardiomyopathy remains unclear. Optimal long-term medical therapy has not been well established at this time, since the etiology of the disease process remains a source of debate.
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