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Takotsubo Cardiomyopathy Associated with Polycythemia Vera
Sijan Basnet1, Priya Rajagopalan2, Rashmi Dhital1
1Department of Medicine, Reading Hospital, 420 S Fifth Avenue, West Reading, PA 19611, USA.
Case Reports in Cardiology
|October 18, 2018
Summary
Takotsubo cardiomyopathy, a stress-induced heart condition, was diagnosed in a 75-year-old man. Massive thrombocytosis and platelet-mediated adrenaline release may have triggered this cardiac event.
Area of Science:
- Cardiology
- Pathophysiology
- Internal Medicine
Background:
- Takotsubo cardiomyopathy (TTC) is a reversible heart condition.
- It is typically triggered by severe emotional or physical stress.
- Characterized by apical ballooning and preserved basal function.
Observation:
- A 75-year-old male patient presented with symptoms mimicking acute myocardial infarction.
- The patient was referred for management of what was initially diagnosed as a heart attack.
- Further evaluation led to a diagnosis of takotsubo cardiomyopathy.
Findings:
- The patient exhibited massive thrombocytosis (an abnormally high platelet count).
- A novel hypothesis suggests platelet-mediated adrenaline release as a potential trigger.
- This mechanism may contribute to the pathogenesis of takotsubo cardiomyopathy.
Implications:
- This case highlights a potential, previously unrecognized mechanism in TTC development.
- Understanding triggers like thrombocytosis can refine diagnostic and treatment strategies.
- Further research into platelet function in cardiac stress syndromes is warranted.
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