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Published on: September 14, 2009
"Very" Very Late Stent Thrombosis: A Detailed Look at Two Cases
Adhvithi Pingili1, Shiavax J Rao1, Taha Khalid2
1Internal Medicine, MedStar Union Memorial Hospital, Baltimore, USA.
Insights
Very late stent thrombosis (VVLST), occurring over five years after coronary stenting, is exceptionally rare. This study presents two new cases, highlighting the need for further research into this serious complication of percutaneous coronary intervention.
Area of Science:
- Cardiovascular Medicine
- Interventional Cardiology
Background:
- Percutaneous coronary intervention (PCI) with stenting is a cornerstone in treating coronary artery disease.
- Stent thrombosis (STh), a serious complication, can occur years after implantation.
- Very late stent thrombosis (VVLST) is defined as STh occurring more than five years post-PCI.
Observation:
- VVLST is an extremely rare event, with limited documented cases.
- This report details two complex clinical cases of VVLST presenting as ST-elevation myocardial infarction.
- The cases underscore the challenges in diagnosing and managing VVLST.
Findings:
- The study reviews the epidemiology, pathophysiology, and clinical presentation of VVLST.
- Diagnostic strategies and current treatment approaches for VVLST are discussed.
- Associated complications and potential risk factors are highlighted.
Implications:
- The rarity and severity of VVLST necessitate increased clinical awareness.
- Further research is crucial to elucidate VVLST mechanisms and optimize prevention strategies.
- Minimizing the risk of VVLST is essential for long-term patient outcomes after PCI.
Abstract:
Although percutaneous coronary intervention (PCI) has radically transformed the scope of treating coronary artery disease with stenting, stent thrombosis (STh) remains a feared complication. Very late STh, a rare complication after PCI, refers to STh occurring greater than one year after post-stent implantation. An even rarer phenomenon, "very" very late stent thrombosis (VVLST), is described in the literature as STh occurring more than five years post-stent implantation. To our knowledge, there are only 10 case reports and one case series describing VVLST. We discuss two additional complex clinical cases of VVLST presenting as ST-elevation myocardial infarction. We highlight epidemiology, pathophysiology, presentation, diagnostic methods, treatment approach, associated complications, and the need for more extensive future work to minimize the risk of VVLST.
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