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A sequential approach to the management of a massive intracoronary thrombus in ST elevation myocardial infarction: a
Brian C Carey1, James C Blankenship
1Department of Cardiology, Geisinger Medical Center, Danville, PA 17822, USA. bccarey@geisinger.edu
Insights
Interventional cardiologists face challenges with thrombus-laden coronary lesions. Combining mechanical strategies like rheolytic thrombectomy and aspiration effectively treated a massive thrombus in acute myocardial infarction.
Area of Science:
- Interventional Cardiology
- Cardiovascular Medicine
- Thrombosis Management
Background:
- Thrombus-laden coronary lesions pose significant risks during percutaneous coronary intervention.
- Visible thrombus in coronary arteries is associated with higher complication rates.
- Acute myocardial infarction with extensive thrombus requires advanced treatment strategies.
Observation:
- A case of acute inferior ST elevation myocardial infarction presented with a large thrombus burden in an ectatic right coronary artery.
- Standard interventions were insufficient, necessitating advanced mechanical approaches.
- The lesion required sequential treatment to manage the massive thrombus.
Findings:
- Successful management was achieved through a combination of therapies.
- Intracoronary glycoprotein IIb/IIIa inhibition was administered initially.
- Rheolytic thrombectomy using catheters of varying sizes, followed by transcatheter thrombus aspiration, proved effective.
Implications:
- Combining diverse mechanical thrombectomy strategies can be beneficial for complex coronary thrombus.
- This approach may reduce complications in high-risk myocardial infarction cases.
- Further research into multimodal mechanical thrombectomy is warranted for challenging coronary lesions.
Abstract:
Thrombus-laden coronary lesions present a particular challenge to the interventional cardiologist. Despite the development of multiple strategies to attack this problem, lesions with angio-graphically visible thrombus still carry a high risk of complications when coronary intervention is attempted. The authors present a case of acute inferior ST elevation myocardial infarction with a massive thrombus in an ectatic right coronary artery. Sequential treatment with intra-coronary glycoprotein IIb/IIIa inhibitor, rheolytic thrombectomy with 2 different-sized catheters, and transcatheter thrombus aspiration with a Pronto aspiration catheter was required to achieve a satisfactory result. This case illustrates the potential benefit of combining various mechanical strategies to treat intracoronary thrombus.
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