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Updated: Aug 15, 2026
Imaging In-Stent Restenosis: An Inexpensive, Reliable, and Rapid Preclinical Model
Published on: September 14, 2009
[One-year clinical and angiographic follow-up after primary stenting]
F Pomar Domingo1, E Peris Domingo, F Atienza Fernández
1Servicio de Cardiología. Hospital General Universitario. Valencia. fpomard@meditex.es
Insights
Primary stenting effectively treats acute myocardial infarction, showing a low rate of adverse events and restenosis one year after treatment. This procedure improves outcomes for patients undergoing angioplasty for heart attacks.
Area of Science:
- Interventional Cardiology
- Cardiovascular Medicine
- Medical Device Technology
Background:
- Late reocclusion and restenosis are common after primary angioplasty for acute myocardial infarction.
- Coronary stenting may improve outcomes and reduce re-narrowing of the infarct-related artery.
Purpose of the Study:
- To evaluate the clinical and angiographic outcomes of patients treated with primary stenting for acute myocardial infarction.
- To assess the long-term efficacy and safety of primary stenting in this patient population.
Main Methods:
- A cohort of 74 consecutive patients with acute myocardial infarction underwent primary angioplasty and stenting.
- Patients were followed for one year, with 91% undergoing 6-month angiographic control to assess restenosis and reocclusion.
Main Results:
- The one-year mortality rate was 14.8%, with one non-fatal reinfarction (1.5%).
- Cumulative recurrent ischemia was 15% at 6 months, with a 27% restenosis rate and one reocclusion observed angiographically.
- 80% of patients remained event-free after discharge.
Conclusions:
- Primary stenting is an effective treatment for unselected patients with acute myocardial infarction.
- The procedure demonstrates a low long-term incidence of adverse events and a manageable restenosis rate.
Introduction And Objectives:
The late reocclusion or restenosis rate of the infarct related artery is frequent after primary angioplasty. An implanted stent may be able to improve the coronary angioplasty results and long-term outcome of these patients. We present the clinical and angiographic outcome of a cohort of patients treated with primary stenting.
Patients And Methods:
A group of 74 consecutive patients with acute myocardial infarction treated with primary angioplasty and stenting were followed for one year. An angiographic control was performed at the 6th month of follow-up in 91% of patients to assess the restenosis and reocclusion rates of the infarct-related artery.
Results:
There were eight in-hospital deaths and three during follow-up (mortality rate 14.8%) and one non-fatal reinfarction (1.5%). The cumulative rate of recurrent ischemia was 6% at 3 months and 15% at 6 months, without any further increment at one-year follow-up. A new angioplasty was performed in 7 patients and three patients underwent surgical revascularization. Thus 80% of patients after discharge were free of events. The angiographic control showed only one reocclusion of the infarct related artery and a restenosis rate of 27%.
Conclusions:
These results show that primary stenting is an effective procedure in treating non-selected patients with acute myocardial infarction with a low long-term incidence of adverse events and a low restenosis rate.
