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Published on: February 28, 2012
Frequency of stent thrombosis after acute coronary syndromes (from the SYMPHONY and 2nd SYMPHONY trials)
Thaddeus R Tolleson1, L Kristin Newby, Robert A Harrington
1Duke Clinical Research Institute, Durham, North Carolina, USA.
Insights
Stent thrombosis occurred more frequently in acute coronary syndrome patients receiving coronary stents compared to those undergoing elective procedures. This finding highlights potential risks in typical clinical practice for ACS patients. Keywords: stent thrombosis, acute coronary syndrome, coronary stent.
Area of Science:
- Cardiology
- Interventional Cardiology
- Clinical Trials
Background:
- Stent thrombosis is a serious complication following coronary stent implantation.
- Understanding thrombosis rates in acute coronary syndromes (ACS) is crucial for patient management.
- Previous studies may not fully represent real-world ACS patient populations undergoing stenting.
Purpose of the Study:
- To investigate the incidence of stent thrombosis in patients with acute coronary syndromes (ACS) treated with coronary stents.
- To compare stent thrombosis rates in ACS patients with historical data from elective percutaneous coronary intervention (PCI).
Main Methods:
- Analysis of data from 4,607 patients with ACS who received coronary stents.
- Inclusion of patients from two clinical trials comparing aspirin versus sibrafiban for secondary prevention.
- Outcomes assessed included the occurrence of stent thrombosis.
Main Results:
- Stent thrombosis was observed more frequently in this ACS patient cohort than previously reported in elective PCI patients.
- The study population's characteristics and outcomes are considered more representative of typical ACS patients undergoing stenting in clinical practice.
Conclusions:
- Patients with acute coronary syndromes undergoing coronary stenting may experience higher rates of stent thrombosis.
- Findings suggest a need for careful consideration of antithrombotic strategies in this high-risk population.
- This study provides valuable insights into real-world outcomes for ACS patients receiving coronary stents.
Abstract:
We studied stent thrombosis in 4,607 patients with acute coronary syndromes who received a coronary stent as part of routine care during 2 trials of aspirin versus sibrafiban for secondary prevention. In these patients, stent thrombosis occurred more often than in previous patients who underwent elective percutaneous coronary intervention. These patients and their outcomes may be more representative of patients with typical acute coronary syndromes undergoing stenting in clinical practice.
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