Related Experiment Video

Updated: Jun 30, 2026

Experimental and Imaging Techniques for Examining Fibrin Clot Structures in Normal and Diseased States
07:09

Experimental and Imaging Techniques for Examining Fibrin Clot Structures in Normal and Diseased States

Published on: April 1, 2015

Thrombosis and fibrinolysis in acute myocardial infarction

P R Eisenberg1

  • 1Cardiovascular Division, Washington University School of Medicine, St. Louis, MO 63110.

Alcoholism, Clinical and Experimental Research
|February 1, 1994
PubMed

Insights

Coronary thrombosis, triggered by atherosclerotic plaque rupture, leads to acute myocardial infarction. Novel antithrombotic interventions targeting coagulation and fibrinolysis show promise for inhibiting thrombosis progression.

Area of Science:

  • Cardiovascular Medicine
  • Hematology
  • Pathophysiology

Background:

  • Atherosclerotic plaque rupture initiates coronary thrombosis, a key event in evolving stable coronary disease to acute myocardial infarction.
  • The tissue factor pathway of coagulation and platelet adhesion are critical in initiating thrombosis.
  • Procoagulant and fibrinolytic activity modulate thrombosis extent, with imbalances posing risks for myocardial infarction.

Purpose of the Study:

  • To provide insight into the mechanisms of thrombosis following atherosclerotic plaque rupture.
  • To identify novel antithrombotic interventions for coronary thrombosis.

Main Methods:

  • Review of recent studies on coronary thrombosis mechanisms.
  • Analysis of factors modulating procoagulant and fibrinolytic activity.

Main Results:

  • Confirmed the critical role of tissue factor pathway activation and platelet adhesion in thrombosis initiation.
  • Highlighted that altered procoagulant and fibrinolytic activity significantly influence thrombosis severity.
  • Recent research offers insights into thrombosis mechanisms and potential therapeutic targets.

Conclusions:

  • Understanding thrombosis mechanisms post-plaque rupture is crucial for managing acute myocardial infarction.
  • Novel antithrombotic strategies targeting coagulation and fibrinolysis are being developed to inhibit coronary thrombosis progression.

More Related Videos

A Fibrin-Enriched and tPA-Sensitive Photothrombotic Stroke Model09:42

A Fibrin-Enriched and tPA-Sensitive Photothrombotic Stroke Model

Published on: June 4, 2021

Tracking Fibrinolysis of Chandler Loop-Formed Whole Blood Clots Under Shear Flow in An In-Vitro Thrombolysis Model06:16

Tracking Fibrinolysis of Chandler Loop-Formed Whole Blood Clots Under Shear Flow in An In-Vitro Thrombolysis Model

Published on: April 19, 2024

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...
Extrinsic and Intrinsic Pathways of Hemostasis01:20

Extrinsic and Intrinsic Pathways of Hemostasis

Blood clotting or coagulation involves extrinsic and intrinsic pathways, which ultimately merge into the common pathway, forming a fibrin clot.
The Extrinsic Pathway
The extrinsic pathway of coagulation is typically initiated by tissue damage that exposes blood to tissue factor (TF), a protein released by the damaged tissue cells outside the blood vessels—this interaction with TF triggers biochemical reactions involving specific clotting factors. The key player here is Factor VII, which forms a...
Clot Retraction and Fibrinolysis01:16

Clot Retraction and Fibrinolysis

After a fibrin clot is formed, the next step is clot retraction, a vital process facilitated by platelet contractile proteins, such as actin and myosin. These proteins pull the fibrin strands closer together and condense the clot. This action reduces the size of the clot, creating a smaller, denser structure that effectively seals off the damaged vessel. Clot retraction consolidates the clot and helps with wound healing by bringing the edges of the damaged blood vessel closer together.
Acute Coronary Syndrome I: Introduction01:30

Acute Coronary Syndrome I: Introduction

Acute Coronary Syndrome (ACS) encompasses a spectrum of heart conditions caused by sudden obstruction of coronary arteries, typically resulting from the rupture of an atherosclerotic plaque and subsequent thrombus (blood clot) formation. This obstruction can lead to partial or complete blockage of blood flow, causing varying degrees of myocardial ischemia or infarction.ACS includes the following clinical entities:Unstable Angina (UA)Non-ST-Elevation Myocardial Infarction (NSTEMI)ST-Elevation...
Acute Coronary Syndrome IV: Interprofessional Care01:28

Acute Coronary Syndrome IV: Interprofessional Care

IntroductionThe management of Acute Coronary Syndrome (ACS) aims to minimize myocardial damage, preserve myocardial function, and prevent complications.Initial ManagementInpatient management involves continuous cardiac monitoring, preferably in an ICU, focusing on blood pressure, serum sodium, potassium, and creatinine levels, and urine output. Ongoing pharmacologic management is crucial for stabilizing the patient.Supplemental Oxygen: Administer supplemental oxygen if oxygen saturation is...
Venous Thrombosis III: Interprofessional Care01:29

Venous Thrombosis III: Interprofessional Care

Venous thrombosis requires effective prevention and treatment strategies to improve patient outcomes and reduce potential complications.Prevention StrategiesHealthcare providers must prioritize preventing venous thromboembolism (VTE) for all adult patients upon admission. Interventions depend on bleeding and thrombosis risk, medical history, current medications, diagnoses, planned procedures, and patient preferences. Patients on bed rest should change positions every two hours and, if not...