Hypertension in Thyroid Disorders

Eszter Berta1,2, Inez Lengyel1, Sándor Halmi1

  • 1Department of Endocrinology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary.

Insights

Thyroid diseases, including hyperthyroidism and hypothyroidism, can cause or worsen hypertension. Understanding these links is crucial for managing high blood pressure and cardiovascular health.

Area of Science:

  • Endocrinology
  • Cardiovascular Medicine
  • Internal Medicine

Background:

  • Arterial hypertension is a prevalent global health issue, affecting over 25% of the population.
  • While most hypertension cases are idiopathic, ~10% stem from secondary causes, including endocrine disorders.
  • Thyroid diseases are common, often overlooked, and can significantly impact blood pressure.

Purpose of the Study:

  • To review the impact of thyroid hormone metabolism and dysfunction on the cardiovascular system.
  • To elucidate the role of thyroid diseases in the development and exacerbation of hypertension.
  • To synthesize current knowledge on the mechanisms linking thyroid function to elevated blood pressure.

Main Methods:

  • Literature review of clinical studies and genetic research.
  • Analysis of the effects of overt and subclinical hyperthyroidism and hypothyroidism on blood pressure.
  • Examination of cardiovascular consequences of genetic mutations in the hypothalamus-pituitary-thyroid axis.
  • Investigation of the role of lipid abnormalities in thyroid dysfunction-induced hypertension.

Main Results:

  • Both hyperthyroidism and hypothyroidism, in overt and subclinical forms, are associated with hypertension, often mild.
  • Mechanisms linking thyroid dysfunction to hypertension are complex and not fully understood.
  • Genetic mutations in the hypothalamus-pituitary-thyroid axis can have cardiovascular implications.
  • Thyroid dysfunction-induced lipid abnormalities contribute to vascular changes and elevated blood pressure.

Conclusions:

  • Thyroid hormone metabolism and functional thyroid diseases play a significant role in cardiovascular health.
  • Thyroid diseases are an important, often overlooked, contributing factor to the development of hypertension.
  • Further research is needed to fully understand the intricate mechanisms involved.

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