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Bioresorbable vascular scaffold collapse causes subacute thrombosis
Rafael J Ruiz-Salmerón1, Sofía Pereira, Daniela de Araujo
1Endovascular Unit, Hospital Virgen Macarena, Avda Dr Fedriani no. 3, 41009 Seville, Spain. rjruizsalmeron@yahoo.es.
The Journal of Invasive Cardiology
|July 5, 2014
Summary
Subacute thrombosis of a bioresorbable scaffold occurred due to stent collapse. This complication arose in a patient with a heavily calcified coronary artery lesion.
Area of Science:
- Cardiovascular Medicine
- Biomaterials Science
- Interventional Cardiology
Background:
- Bioresorbable scaffolds (BRS) offer potential advantages over metallic stents in coronary artery disease treatment.
- However, scaffold thrombosis remains a concern, necessitating further understanding of its underlying mechanisms.
- Heavily calcified lesions present unique challenges for percutaneous coronary intervention.
Observation:
- A case of subacute thrombosis involving a bioresorbable scaffold is presented.
- The thrombosis was associated with a distinct event of stent collapse.
- The underlying lesion was characterized by extensive calcification.
Findings:
- The bioresorbable scaffold collapsed into the lumen of the artery.
- This collapse was directly linked to the development of scaffold thrombosis.
- Severe lesion calcification is identified as a critical contributing factor.
Implications:
- This case highlights the risk of stent collapse and subsequent thrombosis in heavily calcified lesions treated with bioresorbable scaffolds.
- Careful patient selection and lesion preparation are crucial when using bioresorbable scaffolds in complex calcified arteries.
- Further research is needed to optimize bioresorbable scaffold design and implantation techniques for challenging anatomies.
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