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Interventional Diagnostic Procedure: A Practical Guide for the Assessment of Coronary Vascular Function
Published on: March 15, 2022
Large coronary thrombus: A safe and effective approach using percutaneous coronary intervention after vigorous
Danny Dvir1, Hironori Kitabata, Ron Waksman
1Interventional Cardiology, Washington Hospital Center, Washington, DC 20010, USA.
Insights
High thrombotic burden after coronary intervention can cause poor blood flow. An alternative approach using aggressive antithrombotic therapy before intervention successfully treated patients with large thrombi.
Area of Science:
- Cardiology
- Interventional Cardiology
- Thrombosis Research
Background:
- High thrombotic burden post-percutaneous coronary intervention is linked to microvascular obstruction and the no-reflow phenomenon.
- Conventional thrombectomy may worsen outcomes by dislodging thrombi and reducing myocardial perfusion.
Purpose of the Study:
- To present an alternative strategy for managing coronary vessels with a significant thrombotic burden.
- To evaluate the efficacy of a delayed intervention approach following intensive pharmacological therapy.
Main Methods:
- Treatment of a coronary vessel with a large thrombotic burden.
- Initial vigorous pharmacological antithrombotic and antiplatelet therapy.
- Subsequent coronary intervention performed several days after initial therapy.
Main Results:
- Successful treatment of the coronary vessel with a large thrombotic burden.
- Avoidance of complications associated with immediate mechanical thrombectomy.
- Improved myocardial perfusion achieved through the staged approach.
Conclusions:
- A staged approach involving initial intensive pharmacological therapy followed by delayed coronary intervention is a viable alternative for patients with high thrombotic burden.
- This strategy may mitigate risks associated with mechanical thrombectomy and improve outcomes in complex coronary interventions.
Abstract:
After percutaneous coronary intervention, high thrombotic burden is the strongest correlate for extensive microvascular obstruction, distal embolization, and the no-reflow phenomenon. It is suggested that in these cases conventional thrombectomy methods may mechanically dislodge thrombi downstream and decrease myocardial perfusion. The following report includes an alternative approach in which a coronary vessel with large thrombotic burden was treated successfully first with vigorous pharmacological antithrombotic and antiplatelet therapy followed by coronary intervention after several days.
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