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Related Concept Videos

Hyperthyroidism I: Introduction01:25

Hyperthyroidism I: Introduction

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...
Hyperthyroidism II: Pathophysiology01:27

Hyperthyroidism II: Pathophysiology

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 receptors...
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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 adipocytes...
Goiter01:27

Goiter

Goiter refers to an abnormal enlargement of the thyroid gland that may appear as a diffuse goiter (uniform enlargement) or nodular (single or multiple nodules). Functionally, it is classified as nontoxic (normal/low hormone levels) or toxic (excess hormone production).PathophysiologyDiffuse thyroid enlargement typically results from prolonged stimulation by thyroid-stimulating hormone (TSH) or TSH-like agents, commonly seen in hypothyroidism or iodine deficiency. In contrast, in hyperthyroid...
Hypothyroidism II: Pathophysiology01:23

Hypothyroidism II: Pathophysiology

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...
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, and heat...

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An Acupoint Catgut-embedding Therapy for Treating Obesity
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Obesity and thyrotropinemia.

K V S Hari Kumar1, A Verma, J Muthukrishnan

  • 1Department of Endocrinology, MEDWIN Hospitals, Hyderabad, AP, India. hariendo@rediffmail.com

Indian Journal of Pediatrics
|May 29, 2009
PubMed
Summary
This summary is machine-generated.

This study found no significant relationship between body mass index (BMI) and thyroid-stimulating hormone (TSH) levels in obese and overweight children. Further research is needed to confirm these findings in larger populations.

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Area of Science:

  • Pediatric Endocrinology
  • Obesity Research
  • Thyroid Function

Background:

  • Childhood obesity is a growing concern with potential endocrine implications.
  • Thyroid-stimulating hormone (TSH) is a key indicator of thyroid function.
  • Understanding the interplay between BMI and TSH in pediatric populations is crucial for early detection and management.

Purpose of the Study:

  • To investigate the association between Body Mass Index (BMI) and Thyroid-Stimulating Hormone (TSH) levels in euthyroid and subclinical hypothyroid obese children.
  • To compare serum TSH levels between overweight and obese children.

Main Methods:

  • A cohort of 50 children (aged 2-18 years) presenting with obesity was studied.
  • Exclusion criteria included TSH > 10 mIU/L, low T3/T4, and organic or syndromic obesity.
  • Statistical analyses included Fisher's exact test, Mann-Whitney U test, and Pearson's correlation, with P < 0.05 considered significant.

Main Results:

  • Elevated TSH levels (4.5-10 mIU/L) with normal T3/T4 were observed in 4/20 overweight and 9/30 obese children (P=0.5219).
  • Mean TSH levels were comparable between overweight and obese groups (3.22 ± 3.1 vs. 3.63 ± 2.2 mIU/L, P=0.3491).
  • No significant correlation was found between overall TSH levels and BMI (r=0.0014, P=0.9924).

Conclusions:

  • Preliminary data suggest no direct relationship between the severity of obesity and TSH levels in the studied pediatric cohort.
  • Larger-scale population data are required to validate these findings and their clinical implications.