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Updated: Oct 13, 2025

Interventional Diagnostic Procedure: A Practical Guide for the Assessment of Coronary Vascular Function
Published on: March 15, 2022
[Our enemy : the clot. Coronary thrombosis : strategy and therapeutic arsenal]
Xavier Halna du Fretay1, Ronan Deballon2, Sylvain Carillo2
1Cardioréliance, avenue Jacqueline Auriol, 454770Saran, France.; Département de cardiologie, groupe hospitalier Bichat-Claude-Bernard, Assistance Publique-Hôpitaux de Paris, 46, rue Henri-Huchard, 75018 Paris, France..
Insights
Intracoronary thrombus, often seen in acute coronary syndromes, can complicate angioplasty and lead to poor outcomes. Current antithrombotic therapies are crucial for prevention and management.
Area of Science:
- Cardiology
- Interventional Cardiology
- Thrombosis Research
Background:
- Intracoronary thrombus is frequently observed during acute coronary syndromes revascularization and less commonly during stable angina angioplasty.
- The presence of thrombus poses risks for poor angiographic outcomes and prognosis due to potential coronary occlusion or distal embolization.
Purpose of the Study:
- To review the implications of intracoronary thrombus in angioplasty procedures.
- To discuss current strategies for thrombus prevention and treatment, including thrombectomy and GPIIb/IIIa inhibitors.
- To highlight the complexities of the no-reflow phenomenon and its relation to thrombotic complications.
Main Methods:
- Review of existing literature on intracoronary thrombus during percutaneous coronary interventions.
- Analysis of current practices in antithrombotic therapy and interventional strategies.
- Discussion of the challenges in managing thrombotic complications and the no-reflow phenomenon.
Main Results:
- Intracoronary thrombus is a significant factor impacting procedural success and patient prognosis.
- Optimal antithrombotic treatment and careful procedural planning are key for thrombus prevention.
- Treatment of established thrombus, including thrombectomy and GPIIb/IIIa inhibitors, remains a subject of ongoing debate and clinical practice.
Conclusions:
- Current mechanical and pharmacological antithrombotic therapies should be judiciously applied based on clinical and angiographic context.
- Further research is needed to clarify optimal treatment strategies for intracoronary thrombus and associated complications like no-reflow.
- Adherence to established antithrombotic protocols is essential pending further scientific advancements.
Abstract:
Intra coronary thrombus is frequently encountered during acute coronary syndromes revascularisation procedures. It can also be encountered during angioplasty procedures in a stable angina context, although at a much lesser frequency.In both situations, it harbors a risk of poor angiographic result and poor prognosis. Intracoronnary thrombus may cause coronary occlusion at the angioplasty site or distal embolic flow obstruction. Per procedure thrombus prevention rests on an prior optimal anti thrombotic treatment and in some circumstances the choice to defer the revascularisation procedure in the complex high risk setting. Treating the initiated thrombus remains controversial concerning thrombectomy and GPIIBIIIa inhibitors which are still in use in common practice. No reflow phenomenon is a particularly complex setting during cornary angioplasties, partially but not solely related to a thrombotic complication. It's treatment remains unclear in the absence of related oriented studies.The current mechanical and pharmacological antithrombotic therapies must remain common practice and used appropriately as of the clinical and angiographic setting, until further scientific outbrakes.
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