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Related Concept Videos

Hyperthyroidism II: Pathophysiology01:27

Hyperthyroidism II: Pathophysiology

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Hyperthyroidism is a hypermetabolic state caused by elevated levels of thyroid hormones, triiodothyronine (T3) and thyroxine (T4). It results from dysregulation at the thyroid, pituitary, or immune system level and affects multiple organ systems.PathophysiologyThe most common cause of hyperthyroidism is Graves’ disease, an autoimmune disorder in which antibodies, specifically thyroid-stimulating antibodies (TSAb), a subtype of TSH receptor antibodies (TRAb), bind to and activate TSH...
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Hypothyroidism II: Pathophysiology01:23

Hypothyroidism II: Pathophysiology

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Hypothyroidism is a disorder characterized by insufficient production of thyroid hormones, which regulate metabolism, energy balance, and multiple organ systems.TypesHypothyroidism is classified based on the level of dysfunction. Primary hypothyroidism results from intrinsic thyroid gland dysfunction, causing reduced hormone production despite normal or increased stimulation. Secondary hypothyroidism arises from inadequate thyroid-stimulating hormone (TSH) secretion by the pituitary. Tertiary...
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Hyperthyroidism I: Introduction01:25

Hyperthyroidism I: Introduction

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Hyperthyroidism is a type of thyrotoxicosis characterized by the thyroid gland's overproduction of the thyroid hormones triiodothyronine (T3) and thyroxine (T4). This hormone excess increases the basal metabolic rate and enhances sensitivity to catecholamines.DiagnosisDiagnosis is based on clinical features and biochemical testing. It typically shows suppressed thyroid-stimulating hormone (TSH) levels below 0.4 mIU/L, with elevated free T3 and/or T4. Additional tests, including thyroid...
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Functions of Thyroid Hormones01:18

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The thyroid hormone (TH) plays a pivotal role in the intricate orchestration of physiological processes, exerting profound effects on development, metabolism, and homeostasis throughout different life stages.
TH is indispensable for the normal development and maturation of the skeletal, muscular, and nervous systems during fetal and childhood growth. It facilitates bone mineral turnover and regulates protein synthesis in developing tissues, contributing significantly to overall growth and...
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Obesity01:24

Obesity

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The Body Mass Index (BMI) is a numerical value derived from a person's weight and height, used to categorize individuals into weight ranges. It is calculated using the formula: weight in kilograms divided by height in meters squared. Obesity is a health condition characterized by excessive accumulation of adipose tissue that poses health risks, often diagnosed with a BMI ≥ 30. This excess fat storage occurs when surplus dietary calories are converted into triglycerides and stored in...
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Graves Disease II: Pathophysiology01:24

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Graves’ disease is an autoimmune disorder characterized by the production of thyroid-stimulating immunoglobulins (TSI) that activate TSH receptors, leading to excessive synthesis and release of thyroid hormones (T3 and T4) and resulting in hyperthyroidism.Among all causes of hyperthyroidism, Graves’ disease is the most common and can happen at any age, though it is more frequent in women. It produces a hypermetabolic state with features such as weight loss, tachycardia, tremor,...
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Thyroid function and obesity.

Peter Laurberg1, Nils Knudsen2, Stig Andersen1

  • 1Department of Endocrinology, Aalborg Hospital, Aalborg, Denmark.

European Thyroid Journal
|May 1, 2014
PubMed
Summary
This summary is machine-generated.

Thyroid function significantly impacts weight control and obesity. Understanding these interactions is crucial for managing thyroid disease and body weight effectively.

Keywords:
Graves’ diseaseHyperthyroidismHypothyroidismLevothyroxine therapyLiothyronine therapyObesityThyroid functionWeight control

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Area of Science:

  • Endocrinology
  • Metabolism
  • Obesity Research

Background:

  • Thyroid function and body weight are closely interconnected.
  • Obesity can influence thyroid function tests, and thyroid dysfunction affects body weight.

Purpose of the Study:

  • To explore the complex relationship between thyroid function, weight control, and obesity.
  • To discuss the implications of thyroid disease management on body weight.
  • To review new research on L-T3 therapy and weight management.

Main Methods:

  • Review of existing literature on thyroid function and body weight.
  • Analysis of patterns in thyroid function tests related to obesity and thyroid disease.
  • Discussion of therapeutic interventions and their impact on weight.

Main Results:

  • Obese individuals with normal thyroids show activated hypothalamic-pituitary-thyroid axis.
  • Minor thyroid function variations correlate with significant body weight differences (up to 5 kg).
  • Weight changes post-thyroid treatment (hypothyroidism, hyperthyroidism) require further mechanistic understanding.

Conclusions:

  • The interplay between thyroid health and weight management is clinically significant.
  • Further research is needed to fully elucidate weight changes associated with thyroid disease therapy.
  • Optimizing thyroid disease treatment should consider its impact on body weight.