Related Experiment Video
Updated: Aug 17, 2026

A Murine Model of Stent Implantation in the Carotid Artery for the Study of Restenosis
Published on: May 14, 2013
Mechanisms of reocclusion after coronary thrombolysis
1Washington University School of Medicine, Cardiovascular Division, St. Louis, Missouri.
Insights
Maintaining coronary artery patency is key for thrombolysis benefits. Novel anticoagulants and antiplatelet agents show promise in preventing recurrent thrombosis after treatment.
Area of Science:
- Cardiovascular Medicine
- Pharmacology
Background:
- Coronary thrombolysis effectiveness relies on sustained coronary artery patency.
- Failure or re-occlusion occurs in up to 40% of patients receiving fibrinolytic therapy.
Purpose of the Study:
- To explore factors contributing to recurrent coronary thrombosis.
- To evaluate the potential of novel anticoagulants and antiplatelet agents in improving outcomes.
Main Methods:
- Review of recent studies on coronary thrombolysis failure.
- Analysis of factors implicated in recurrent thrombosis.
- Examination of preliminary data on novel therapeutic agents.
Main Results:
- Recurrent thrombosis is multifactorial, involving coagulation system activation, residual thrombus activity, high shear forces, and reduced fibrinolytic activity.
- Novel anticoagulants and antiplatelet agents may enhance initial recanalization and prevent re-occlusion.
Conclusions:
- Addressing the complex mechanisms of recurrent thrombosis is crucial for improving thrombolytic therapy.
- Emerging anticoagulant and antiplatelet therapies offer potential to enhance treatment efficacy and reduce re-occlusion rates.
Abstract:
The benefits of coronary thrombolysis appear to depend primarily on achieving and maintaining coronary artery patency. Unfortunately, failure of coronary thrombolysis or recurrent occlusion may occur in up to 40% of patients treated with fibrinolytic agents. Results of recent studies suggest that recurrent thrombosis may be due to multiple factors including: plasmin-mediated activation of the coagulation system, procoagulant activity of the residual thrombus, presence of high shear forces that promote platelet deposition, and attenuation of physiologic fibrinolytic activity after pharmacologic thrombolysis. Preliminary data suggest that recently developed novel anticoagulants and antiplatelet agents may improve the rate of initial recanalization and prevent recurrent thrombus.
More Related Videos
05:26Postconditioning with Lactate-enriched Blood for Cardioprotection in ST-segment Elevation Myocardial Infarction
Published on: May 28, 2019
14:35Post-Myocardial Infarction Heart Failure in Closed-chest Coronary Occlusion/Reperfusion Model in Göttingen Minipigs and Landrace Pigs
Published on: April 17, 2021
Related Concept Videos
Clot Retraction and Fibrinolysis
Coronary Artery Disease II: Pathophysiology
Coronary Artery Disease V: Interprofessional Care
Acute Coronary Syndrome I: Introduction
Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations
Acute Coronary Syndrome IV: Interprofessional Care