Related Experiment Video
Updated: Apr 29, 2026

05:12
Transoral Endoscopic Thyroidectomy Vestibular Approach for Thyroid Lobectomy
Published on: May 12, 2023
5.8K
Venous thromboembolism in overt hyperthyroidism - a direct association with clinical implications?
L P B Elbers1, B van Zaane, V E A Gerdes
1Department of Internal Medicine, Slotervaart Hospital, Amsterdam, the Netherlands.
The Netherlands Journal of Medicine
|May 16, 2014
Summary
Hyperthyroidism may increase the risk of blood clots, specifically venous thromboembolism (VTE). Further research is planned to confirm this association and its clinical significance in patients with hyperthyroidism.
Area of Science:
- Endocrinology
- Hematology
- Thrombosis Research
Background:
- Hyperthyroidism is linked to changes in blood clotting (hemostasis).
- The connection between hyperthyroidism and thrombosis (venous and arterial) remains unclear.
- Previous studies are limited, preventing definitive conclusions.
Observation:
- Two patients with severe venous thromboembolism (VTE) and hyperthyroidism, lacking other VTE risk factors, are presented.
- These cases suggest a potential link between hyperthyroidism and VTE.
- This observation aligns with findings from several prior investigations.
Findings:
- The current study highlights a potential association between hyperthyroidism and an increased risk of VTE.
- Case reports suggest a possible prothrombotic state in hyperthyroid patients.
- Methodological limitations in existing research necessitate further investigation.
Implications:
- A prospective multicenter cohort study is planned to investigate the hyperthyroidism-VTE association.
- This future research aims to clarify the clinical relevance of hyperthyroidism as a risk factor for VTE.
- Understanding this link could lead to improved VTE risk assessment and prevention strategies in hyperthyroid patients.
Related Concept Videos
Hyperthyroidism I: Introduction
30
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...
30
Hyperthyroidism II: Pathophysiology
27
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...
27
Graves' Disease I: Introduction
23
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...
23
Graves Disease II: Pathophysiology
26
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,...
26
Hypothyroidism II: Pathophysiology
26
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...
26
Venous Thrombosis I: Introduction
818
Venous thrombosis, the most common disorder of the veins, involves the formation of a thrombus or blood clot associated with vein inflammation. It can be classified as either superficial vein thrombosis or deep vein thrombosis.Superficial Vein Thrombosis: This involves the formation of a thrombus in a superficial vein, usually the greater or lesser saphenous vein. Though less severe than deep vein thrombosis (DVT), SVT can lead to complications if untreated.Deep Vein Thrombosis (DVT): This...
818

