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In vivo Characterization of Endocrine Disrupting Chemical Effects via Thyroid Hormone Action Indicator Mouse
Published on: October 6, 2023
Thyroid hormone and blood pressure regulation
1Division of Endocrinology and The Department of Medicine, North Shore University Hospital/NYU School of Medicine, 350 Community Drive, Manhasset, NY 11030, USA.
Current Hypertension Reports
|November 5, 2003
Summary
Thyroid hormone significantly impacts blood pressure regulation. Both hyperthyroidism and hypothyroidism alter cardiovascular function, affecting blood pressure through various mechanisms.
Area of Science:
- Endocrinology
- Cardiovascular Physiology
Background:
- Thyroid hormone plays a crucial role in regulating cardiovascular function and systemic blood pressure.
- Thyroid dysfunction, encompassing both hyperthyroidism and hypothyroidism, is known to alter blood pressure.
- Understanding these effects is vital for managing patients with thyroid disease.
Purpose of the Study:
- To review the direct and indirect mechanisms by which thyroid hormone influences blood pressure.
- To elucidate the cardiovascular adaptations in response to altered thyroid hormone levels.
Main Methods:
- Literature review of studies investigating thyroid hormone's effects on the cardiovascular system.
- Analysis of physiological changes associated with hyperthyroidism and hypothyroidism impacting blood pressure.
Main Results:
- Hyperthyroidism is associated with increased cardiac output, contractility, heart rate, widened pulse pressure, and decreased systemic vascular resistance.
- Hypothyroidism presents with decreased cardiac output, narrow pulse pressure, increased systemic vascular resistance, and reduced metabolic rate.
- Thyroid hormone's systemic effects necessitate cardiovascular adaptations that alter blood pressure.
Conclusions:
- Thyroid hormone directly and indirectly modulates blood pressure through its widespread effects on bodily tissues and homeostasis.
- The cardiovascular system adapts to thyroid hormone imbalances, leading to significant changes in blood pressure regulation.
- Comprehensive understanding of thyroid hormone's role in blood pressure is essential for clinical practice.
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