Guidewire Retrieval Device as Bailout for Massive Coronary Thrombus in STEMI
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Published on: February 18, 2020
Yan Wu1, Xizhan He2, Wenyuan Li1
1Department of Cardiology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.
Insights
A novel bailout technique using a guidewire retrieval device integrated with an aspiration catheter effectively managed massive thrombus in ST-elevation myocardial infarction (STEMI) when conventional methods failed, reducing embolization risk.
Area of Science:
- Interventional Cardiology
- Cardiovascular Medicine
- Medical Device Technology
Background:
- Managing ST-segment elevation myocardial infarction (STEMI) with massive thrombus burden presents significant challenges.
- Conventional aspiration thrombectomy frequently proves insufficient for adequate thrombus reduction in such cases.
Background:
Patients with ST-segment elevation myocardial infarction (STEMI) and massive thrombus burden (TIMI flow grade 5) remain challenging to manage. Conventional aspiration thrombectomy often fails to achieve adequate thrombus reduction.
Case Summary:
A 52-year-old man presented with recurrent right coronary artery occlusion 5 days after initial intervention for acute inferior STEMI. After failed conventional aspiration, a guidewire retrieval device (Lawnest) integrated with an aspiration catheter was employed as a bailout. Optical coherence tomography confirmed significant thrombus reduction from TIMI flow grade 5 to grade 3, enabling successful drug-eluting stent implantation.
Discussion:
This case demonstrates a novel bailout technique using a coronary-specific guidewire retrieval device integrated with aspiration catheter via a hemostasis valve for refractory massive thrombus when conventional thrombectomy fails.
Take-Home Message:
Coronary-specific guidewire retrieval devices can serve as bailout techniques for refractory massive thrombus when integrated with aspiration catheters to minimize distal embolization risk.
