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Published on: September 7, 2014
[Endocrine disorders and the heart]
Onno E Janssen1, K Mann, R Erbel
1Klinik für Endokrinologie, Zentrum für Innere Medizin, Universitätsklinikum Essen, Universität Duisburg-Essen, Hufelandstrasse 55, 45122 Essen, Deutschland. onno.janssen@uni-due.de
Insights
Endocrine disorders significantly impact heart health, affecting hormone distribution and leading to severe cardiac issues. Hormone replacement therapy has not shown a protective cardiovascular effect in recent studies.
Area of Science:
- Endocrinology
- Cardiology
- Cardiovascular Endocrinology
Context:
- The cardiovascular system is integral to hormonal regulation, synthesis, and distribution.
- Endocrine disorders frequently involve cardiac complications, posing significant risks to patients.
- Aberrant hormone function, including thyroid, adrenal, and parathyroid issues, profoundly affects heart health.
Purpose:
- To summarize the intricate relationship between endocrine disorders and cardiovascular health.
- To highlight the cardiac manifestations of various hormonal imbalances.
- To review the current understanding of hormone replacement therapy's cardiovascular impact.
Summary:
- Hormonal imbalances from conditions like thyroid dysfunction, diabetes mellitus, acromegaly, Cushing's syndrome, hyperaldosteronism, pheochromocytoma, and hyperparathyroidism critically affect cardiovascular function.
- These endocrine disorders can lead to hypertension, metabolic syndrome, cardiomyopathy, and cardiac failure.
- The heart's role in hormone distribution underscores its vulnerability to endocrine system disturbances.
Impact:
- Understanding these links is crucial for managing patients with both endocrine and cardiovascular diseases.
- This knowledge aids in developing targeted treatments for endocrine-related cardiac conditions.
- Recent findings challenge the previously assumed cardiovascular benefits of hormone replacement therapy.
Abstract:
Hormonal regulation is not possible without the cardiovascular system, and thus the heart plays a special role not only in the action and synthesis, but also in the distribution of hormones. Severe endocrine disorders with cardiac involvement are often threatening for the patient. The impact of aberrant thyroid function, the sympathetic-adrenal symptoms of which predominantly affect the heart, is well known. Diabetes mellitus and the associated metabolic syndrome are major causes of cardiovascular disease and determine its morbidity and lethality rates. Acromegaly causes a complex cardiomyopathy that may result in cardiac failure refractive to conventional treatment. The excessive production of adrenal hormones in Cushing's syndrome, hyperaldosteronism and pheochromocytoma primarily harms the heart by causing severe hypertension. The same holds true for long-standing hyperparathyroidism. Recent prospective studies did not confirm the protective effect of hormone replacement therapy on cardiovascular disease.
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