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Intracoronary stenting in acute myocardial infarction
Insights
Stenting infarct-related arteries during acute myocardial infarction is risky. However, this study shows successful stenting in three patients with acute occlusive dissection, achieving good long-term results with specific precautions.
Area of Science:
- Interventional Cardiology
- Cardiovascular Medicine
- Acute Myocardial Infarction Treatment
Background:
- Stent implantation in infarct-related arteries during acute myocardial infarction (AMI) is typically contraindicated due to high stent thrombosis risk.
- Acute occlusive dissection can occur during direct infarct coronary angioplasty, posing a treatment challenge.
Abstract:
Stent implantation into an infarct-related artery during acute myocardial infarction is generally contraindicated because of the risk of stent thrombosis. We report on 3 patients who had successful stenting for an acute occlusive dissection that developed during direct infarct coronary angioplasty and was refractory to conventional prolonged balloon dilatation, with good long-term clinical and angiographic results. The prerequisites for success include proper premedication, presence of only a minimal amount of thrombus in the infarct-related artery, liberal use of intracoronary thrombolytic therapy, as perfect an angiographic result as possible, as well as careful and aggressive post-stenting anticoagulation.