Hyperhomocysteinemia prevalence among patients with venous thromboembolism

R Ben Salah1, M Boudaya2, S Fendri2

  • 1Department of internal medicine, Faculty of Medicine, University of SFAX, Sfax, Tunisia.

Future Science OA
|November 19, 2024
PubMed

Insights

Elevated plasma homocysteine (Hcy) levels and hyperhomocysteinemia (HHC) are significantly more prevalent in Tunisian deep vein thrombosis (DVT) patients compared to healthy individuals. This suggests HHC is a risk factor for DVT.

Area of Science:

  • Cardiovascular Research
  • Clinical Biochemistry
  • Thrombosis and Hemostasis

Background:

  • Hyperhomocysteinemia (HHC), characterized by elevated plasma homocysteine (Hcy) levels, is increasingly recognized as a potential risk factor for venous thromboembolism.
  • Deep Vein Thrombosis (DVT) is a significant health concern, and understanding its associated risk factors is crucial for effective prevention and management.

Purpose of the Study:

  • To investigate plasma homocysteine levels and the prevalence of hyperhomocysteinemia in Tunisian patients diagnosed with deep vein thrombosis.
  • To compare these findings with a control group of healthy individuals to establish a potential association between HHC and DVT in this population.

Main Methods:

  • An observational case-control study was conducted.
  • Plasma homocysteine (Hcy) levels were measured in hospitalized patients with unprovoked DVT and compared to healthy controls.
  • Levels of vitamin B12 and B9 were also determined, given their role in homocysteine metabolism.

Main Results:

  • Mean plasma homocysteine levels were significantly higher in DVT patients compared to controls.
  • The prevalence of hyperhomocysteinemia was markedly elevated in DVT patients (61.7%) versus controls (4%).
  • Hyperhomocysteinemia was associated with a 3.54-fold increased risk of developing DVT.

Conclusions:

  • This study demonstrates a strong association between elevated homocysteine levels and deep vein thrombosis in the studied Tunisian population.
  • Hyperhomocysteinemia is a prevalent condition and a significant risk factor for DVT.
Abstract

Related Concept Videos

Anticoagulant Drugs: Low-Molecular-Weight Heparins01:30

Anticoagulant Drugs: Low-Molecular-Weight Heparins

Hemostasis is a crucial process that prevents excessive blood loss from damaged blood vessels. It involves various mechanisms such as vasoconstriction, platelet adhesion and activation, and fibrin formation. The importance of each mechanism depends on the type of vessel injury. In contrast, thrombosis is the abnormal formation of a blood clot within the blood vessels, leading to potential complications if the clot obstructs blood flow. Thrombosis can be caused by increased coagulability of the...
623
Disorders of Hemostasis01:24

Disorders of Hemostasis

Hemostasis, the process that stops bleeding after a blood vessel injury, is crucial for maintaining the integrity of the circulatory system. However, disorders of hemostasis can disrupt this delicate balance, leading to either excessive clotting or bleeding. These disorders can be broadly classified into thromboembolic disorders and bleeding disorders.
Thromboembolic Disorders
Two factors primarily cause thromboembolic conditions.
711
Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers01:19

Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers

Cardiac biomarkers are critical in diagnosing, prognosing, and managing cardiovascular diseases. Routine measurement of specific biomarkers such as B-type natriuretic peptide (BNP), C-reactive protein (CRP), and homocysteine (Hcy) is common practice in clinical settings to evaluate heart function and predict cardiovascular events.
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...
60
Venous Return01:04

Venous Return

The circulatory system plays a crucial role in ensuring the optimal functioning of the human body. One of its critical components is venous return - the process that completes the blood circulation cycle. This article will delve into the concept of venous return, how it works, and its significance to our health.
What is Venous Return?
Venous return refers to the rate at which blood flows back to the heart from the body's peripheral veins. It's an integral part of the circulatory system...
3.0K
Esophageal Varices-I: Introduction01:24

Esophageal Varices-I: Introduction

Esophageal varices are dilated, tortuous veins which are found mainly in the submucosa of the lower esophagus but which may also appear higher up or extend into the stomach. They develop due to increased pressure in the portal venous system, often as a result of liver cirrhosis. This condition scars and damages the liver, impeding normal blood flow through the portal vein. To compensate, blood seeks alternative pathways, forming fragile new vessels (varices) in the esophagus and stomach. These...
74