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Cardio-Thyrotoxicosis Syndrome: A Review of Thyrotoxic Cardiovascular Disease
Pradnya Brijmohan Bhattad1, Mazen Roumia1
1Cardiovascular Medicine, Saint Vincent Hospital, UMass Chan Medical School, Worcester, USA.
Insights
Thyrotoxicosis, or an overactive thyroid, significantly impacts heart health, leading to conditions like atrial fibrillation and heart failure. Treating the thyroid disorder can reverse these cardiovascular issues.
Area of Science:
- Endocrinology
- Cardiology
Background:
- Thyrotoxicosis involves elevated thyroid hormones (T3, T4).
- The cardiovascular system is highly susceptible to thyrotoxicosis.
- Cardio-thyrotoxic syndrome describes these cardiovascular complications.
Purpose of the Study:
- To review cardiovascular disorders associated with thyrotoxicosis.
- To highlight the importance of suspecting thyroid issues in cardiac patients.
Main Methods:
- This is a review article.
- Discussion of existing literature on thyrotoxicosis and cardiovascular effects.
Main Results:
- Thyrotoxicosis can cause atrial fibrillation, heart failure, and cardiomyopathy.
- Prompt management of cardiovascular symptoms is crucial.
Conclusions:
- High suspicion for thyroid disease is vital in new-onset cardiac conditions.
- Thyroid-specific treatment to restore euthyroid state can improve or reverse cardiac abnormalities.
Abstract:
Thyrotoxicosis, an endocrine disorder characterized by elevated serum thyroid hormone levels of tri-iodothyronine (T3) and/or thyroxine (T4), can impact cardiovascular health in several ways. The cardiovascular system is often severely targeted by the thyrotoxic state, and the term "Cardio-thyrotoxic syndrome" has been proposed to encompass the various cardiovascular disease states resulting from thyrotoxicosis. In this review, we discuss various cardiovascular disorders resulting from the effects of thyrotoxicosis. It is important to keep a high index of suspicion for thyroid disorder in the setting of new atrial fibrillation, heart failure, and tachycardia-induced cardiomyopathy. Management of cardio-thyrotoxicosis involves control of heart rate and blood pressure and treatment of acute cardiovascular complications. Thyroid-specific therapy to achieve a euthyroid state will not only improve but even potentially reverse cardiovascular abnormalities.
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