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Related Concept Videos

Graves Disease II: Pathophysiology01:24

Graves Disease II: Pathophysiology

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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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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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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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Graves' Disease I: Introduction01:28

Graves' Disease I: Introduction

6
Graves' disease is an autoimmune disorder that causes hyperthyroidism, or overactivity of the thyroid gland. It results from autoantibodies called thyroid-stimulating immunoglobulins (TSIs), which bind to thyroid-stimulating hormone (TSH) receptors, leading to overstimulation of hormone production and a hypermetabolic state.EtiologyAlthough considered idiopathic, Graves’ disease has well-established contributing factors. There is a strong genetic component, with increased prevalence...
6
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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Synthesis and Regulation of Thyroid Hormones01:20

Synthesis and Regulation of Thyroid Hormones

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Low blood levels of the thyroid hormones — triiodothyronine (T3) and thyroxine (T4) — signal the hypothalamus to release the thyrotropin-releasing hormone (TRH). TRH then reaches the pituitary gland and stimulates the release of thyroid-stimulating hormone(TSH) into the bloodstream.
Upon reaching the thyroid gland, TSH stimulates the follicular cells' active uptake of iodide ions from the blood. The ions diffuse to the apical surface of the cells and are oxidized to iodine. The...
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Postpartum thyroiditis.

Antoaneta B Argatska1, Boyan I Nonchev1

  • 1Section of Endocrinology and Metabolic Diseases, Second Department of Internal Medicine, Faculty of Medicine, Medical University, Plovdiv, Bulgaria

Folia Medica
|December 2, 2014
PubMed
Summary
This summary is machine-generated.

Postpartum thyroiditis (PPT), an autoimmune thyroid condition, affects 5-9% of women post-delivery. Early risk identification is crucial for managing this common postpartum thyroid dysfunction.

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Area of Science:

  • Endocrinology
  • Immunology
  • Reproductive Medicine

Background:

  • Postpartum thyroiditis (PPT) is a common thyroid dysfunction after childbirth, occurring in 5-9% of women.
  • It involves autoimmune thyroid inflammation with a biphasic course: thyrotoxicosis followed by hypothyroidism.
  • Positive thyroid peroxidase antibodies are a key predisposing factor.

Purpose of the Study:

  • To highlight the need for early identification of risk groups for PPT.
  • To emphasize the importance of prophylaxis and adequate treatment of postpartum thyroid dysfunction.
  • To address the controversy surrounding mass screening programs due to variable risk factors and geographic differences.

Main Methods:

  • Review of existing literature on postpartum thyroiditis incidence and risk factors.
  • Analysis of the autoimmune mechanisms and biphasic clinical course of PPT.
  • Discussion of the challenges in establishing reliable predictive models for disease progression.

Main Results:

  • PPT is the most frequent thyroid disease in the postpartum period.
  • Genetic and non-genetic factors influence PPT prevalence and progression differently across regions.
  • Current risk factor studies lack reliable predictive models for disease progression.

Conclusions:

  • Early identification of at-risk populations is essential for PPT prevention and management.
  • Regional studies are necessary to define population-specific risks for targeted screening.
  • Effective screening strategies can prevent PPT morbidity and complications.