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[Thrombi in coronary interventions]
Ramón Villavicencio Fernández1
1Departamento de Hemodinámica del Instituto Nacional de Cardiología Ignacio Chávez, INCICH, Juan Badiano No. 1, Col. Sección XVI, Tlalpan, 14080 México, D.F.
Insights
Managing coronary thrombus during angioplasty requires assessing patient stability and thrombus size. Devices combining thrombectomy and aspiration, like the X-Sizer catheter, effectively reduce thrombus burden and prevent complications.
Area of Science:
- Interventional Cardiology
- Cardiovascular Medicine
Background:
- Coronary thrombus in acute coronary syndromes presents a therapeutic challenge, increasing risks of major adverse cardiac events.
- Distal embolization and the "no-reflow" phenomenon are significant complications associated with coronary thrombus.
Purpose of the Study:
- To evaluate the therapeutic strategies for managing coronary thrombus during percutaneous transluminal coronary angioplasty.
- To assess the efficacy and safety of thrombectomy devices in reducing thrombus burden and preventing complications.
Main Methods:
- Analysis of therapeutic decisions based on patient clinical condition and coronary thrombus size.
- Utilization of devices combining thrombectomy and aspiration, specifically the X-Sizer catheter, in 42 patients with acute coronary syndromes.
Main Results:
- Percutaneous transluminal coronary angioplasty with balloon and stenting is effective for small thrombi.
- Thrombectomy and aspiration devices are recommended for large thrombi in unstable patients.
- The X-Sizer catheter demonstrated safety and feasibility, achieving TIMI 3 flow restoration in 80% of patients with a low rate of ischemic complications.
Conclusions:
- Therapeutic decisions for coronary thrombus should be guided by clinical status and thrombus size.
- Devices for thrombectomy and aspiration are crucial for managing large thrombi and preventing distal embolization.
- The X-Sizer catheter is a viable option for thrombectomy and aspiration in acute coronary syndromes.
Abstract:
Coronary thrombus during percutaneous transluminal coronary angioplasty setting is a therapeutic challenge. Coronary thrombus in acute coronary syndromes has been associated with an increase of major adverse cardiac events, which have relationship with distal embolization and "no-reflow" phenomenon. What's just time to take a decision for therapeutic approach of coronary thrombus? Basically, this question it depends of two main factors: clinical condition of the patient and the size of coronary thrombus. Therefore, if the lesion contains small thrombus independently of the clinical condition of the patient it's very sure that the angiographic result will be very adequate with catheter balloon and stenting. However, by the other side if thrombus is large and there was no time for intravenous infusion of IIb-IIIa inhibitors, because of patient unstability (serious arrhythmia or hemodynamic collapse) is recommendable to use some devices of thrombectomy + aspiration with the purpose to diminish thrombus burden and avoid complications of distal embolization and "no-reflow" phenomenon. X-Sizer catheter is a very versatile device who combines purposes of thrombectomy plus aspiration. Our experience in 42 patients with acute coronary syndromes showed that its use is sure and feasible with a very low rate of ischemic complications and TIMI 3 flow restoration in 80% of all patients. Therapeutical approach of coronary thrombus must be based in the experience and the knowledge of some devices for thrombectomy plus aspiration.