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Tachycardia-Induced Cardiomyopathy As a Chronic Heart Failure Model in Swine
10:08

Tachycardia-Induced Cardiomyopathy As a Chronic Heart Failure Model in Swine

Published on: February 17, 2018

[Cardiomyopathy: first clinical manifestation of a pheochromocytoma--case report]

Artur Lopes1, Catarina Sousa, Maria José Correia

  • 1Serviço de Cardiologia, Hospital Divino Espírito Santo, Ponta Delgada, Portugal. arturlop@gmail.com

Revista Portuguesa De Cardiologia : Orgao Oficial Da Sociedade Portuguesa De Cardiologia = Portuguese Journal of Cardiology : an Official Journal of the Portuguese Society of Cardiology
|October 26, 2010
PubMed

Insights

Stress cardiomyopathy, mimicking heart attacks, can be caused by pheochromocytoma. This rare tumor producing catecholamines may present with cardiac symptoms, highlighting a crucial diagnostic link.

Area of Science:

  • Cardiology
  • Endocrinology
  • Oncology

Background:

  • Stress cardiomyopathy (SCM) clinically resembles acute coronary syndrome (ACS).
  • SCM involves left ventricular dysfunction, resolves completely, and lacks obstructive coronary artery disease.
  • Catecholamine-mediated cardiotoxicity is the leading hypothesis for SCM pathophysiology.

Observation:

  • Pheochromocytoma, a catecholamine-producing neuroendocrine tumor, can manifest with diverse cardiovascular effects.
  • A case is presented where SCM was the initial clinical presentation of an undiagnosed pheochromocytoma.

Findings:

  • The study highlights a direct link between pheochromocytoma and stress cardiomyopathy.
  • This case demonstrates that pheochromocytoma can be the underlying cause of SCM.

Implications:

  • Early diagnosis of pheochromocytoma is crucial in patients presenting with SCM.
  • Considering pheochromocytoma in the differential diagnosis of SCM may improve patient outcomes.
  • This association underscores the significant impact of catecholamine excess on cardiac function.

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