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Tachycardia-Induced Cardiomyopathy As a Chronic Heart Failure Model in Swine
Published on: February 17, 2018
Takotsubo cardiomyopathy causing transitory ventricular dysfunction
Angele A Alves1, Ingrid Kowatsch, Jeane Mike Tsutsui
1Instituto do Coração (InCor)- HCFMUSP - São Paulo, SP - Brazil.
Insights
This case report details reversible stress cardiomyopathy in a patient presenting with acute coronary syndrome symptoms. The condition, characterized by a Takotsubo-like shape, resolved within two weeks, highlighting its temporary nature.
Area of Science:
- Cardiology
- Internal Medicine
- Pathophysiology
Background:
- Acute coronary syndrome (ACS) symptoms necessitate prompt cardiac evaluation.
- Systemic hypertension and peripheral vascular disease are common comorbidities.
- Coronary angiography is crucial for ruling out obstructive coronary artery disease.
Observation:
- A 74-year-old female presented with ACS symptoms but had no significant coronary obstructions.
- Initial ventriculography and echocardiography revealed mid and apical left ventricular akinesia with basal hyperkinesia.
- The left ventricle exhibited a temporary Takotsubo-like shape.
Findings:
- A follow-up echocardiogram two weeks later showed normalization of global and regional systolic function.
- The observed pattern of transient systolic dysfunction is characteristic of stress cardiomyopathy.
- This indicates a reversible myocardial impairment not caused by epicardial coronary artery disease.
Implications:
- Stress cardiomyopathy, also known as Takotsubo cardiomyopathy, is a distinct clinical entity.
- It presents with reversible left ventricular dysfunction mimicking myocardial infarction.
- Early recognition and understanding of its transient nature are vital for appropriate patient management.
Abstract:
This is the report of a 74-year-old female patient with a history of systemic hypertension and peripheral vascular disease who presented acute coronary syndrome symptoms. Coronary angiography showed coronary arteries with no significant obstructions. Ventriculography and echocardiography showed akinesia in mid and apical segments; and hyperkinesia of left ventricle basal segments. Two weeks after the onset of symptoms, a new echocardiogram demonstrated normal global and regional systolic function. The uncommon, reversible pattern for systolic dysfunction and segmental compromising that gives left ventricle a Takotsubo-like shape is known today as stress cardiomyopathy.
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