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Updated: Jul 2, 2026

Interventional Diagnostic Procedure: A Practical Guide for the Assessment of Coronary Vascular Function
Published on: March 15, 2022
Extraction of challenging intracoronary thrombi: multi-device strategies using guide catheters, distal vascular
Suwatchai Pornratanarangsi1, Seif S El-Jack, Mark W I Webster
1Green Lane Cardiovascular Service, Auckland City Hospital, Auckland, New Zealand.
Insights
Interventional cardiologists face challenges managing large intracoronary thrombi. This study presents percutaneous treatment options including aspiration and filter devices for these complex cases.
Area of Science:
- Interventional Cardiology
- Vascular Medicine
Background:
- Large intracoronary thrombi pose significant management difficulties for interventional cardiologists.
- Percutaneous coronary intervention (PCI) strategies are needed for complex thrombus cases.
Observation:
- Ten challenging cases of large intracoronary thrombi were treated percutaneously.
- Treatments involved combinations of deep guide catheter engagement, guide aspiration, and dedicated catheter aspiration.
- Distal filter vascular protection devices were also utilized.
Findings:
- The described techniques offer viable interventional options for managing large intracoronary thrombi.
- Varied combinations of aspiration and protection devices were effective in different scenarios.
Implications:
- These interventional strategies can be considered for patients with difficult-to-manage intracoronary thrombi.
- Further research may refine these techniques for optimal patient outcomes in complex thrombotic conditions.
Abstract:
Patients with large intracoronary thrombi represent a difficult management problem for the interventional cardiologist. We report 10 cases of challenging thrombi treated percutaneously using varying combinations of deep guide catheter engagement, guide aspiration, dedicated catheter aspiration and withdrawal of a distal filter vascular protection device. These cases demonstrate interventional options which may be considered for such patients.
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