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A Murine Model of Stent Implantation in the Carotid Artery for the Study of Restenosis
Published on: May 14, 2013
[Coronary stent implantation in elderly patients: acute and long-term results]
B Assmus1, D H Walter, M B Britten
1Medizinische Klinik IV, Abteilung für Kardiologie/Nephrologie, J.W.-Goethe-Universität, Theodor-Stern-Kai 7, 60590 Frankfurt/Main, Germany.
Insights
Coronary stent implantation is safe for elderly patients with coronary heart disease, showing comparable procedural success and restenosis rates. Advanced age alone should not preclude this treatment in selected individuals.
Area of Science:
- Cardiology
- Interventional Cardiology
- Geriatric Medicine
Background:
- The prevalence of coronary heart disease is increasing in the elderly population.
- Elderly patients often present with more complex baseline characteristics, potentially increasing risks associated with percutaneous transluminal coronary angioplasty (PTCA).
- The benefit of routine coronary stent use in older adults remains unclear.
Purpose of the Study:
- To evaluate the impact of age on acute procedural success, restenosis rates, and major adverse cardiovascular events following intra-coronary stent implantation.
- To determine if advanced age is an independent predictor of adverse outcomes after coronary stenting.
Main Methods:
- A study involving 1306 patients undergoing intra-coronary stent implantation.
- Patients were categorized into three age groups: <65 years, 65-75 years, and >75 years.
- Outcomes assessed included acute procedural success, quantitative coronary angiography for restenosis, and major cardiovascular events (death/myocardial infarction) at 6 months.
Main Results:
- Older patients exhibited higher rates of multivessel disease and lower left ventricular ejection fraction.
- Acute success and restenosis rates were similar across all age groups.
- Older patients experienced significantly more adverse clinical events, but multivariate analysis identified impaired left ventricular function, not age, as the independent predictor.
Conclusions:
- Coronary stent implantation can be considered in selected elderly patients after careful clinical assessment.
- Advanced age should not be an absolute contraindication for coronary stent implantation.
Unlabelled:
The number of elderly patients with coronary heart disease is rapidly growing. Morbidity, related with PTCA is increased in elderly patients, presumably because of the more complex adverse baseline characteristics. However, it has not been firmly elucidated whether routine use of coronary stents is associated with a more favourable outcome in this population. Therefore, we investigated the influence of age on acute procedural success, rate of restenosis (quantitative coronary angiography) and major cardiovascular events (death/myocardial infarction [MI]) 6 months after intra-coronary stent implantation in 1306 patients. Patients were categorised into < 65 years (n = 709),65-75 years (n = 443) and >75 years (n= 154).
Results:
Older patients had a higher amount of multivessel disease (p < 0.001) and a lower left ventricular ejection fraction (p < 0.001). Nevertheless, the rate of acute success and restenosis were comparable between the different age groups. In contrast, older patients had significantly more adverse clinical events during long-term followup. (Death/MI < 65 years 3.0%, 65-75 years 3.9%, > 75 years 7.8%, p = 0.02). However, by multivariate analysis age was no longer an independent predictor of adverse clinical events (p = 0.26), which were predominantly determined by coexisting impaired left ventricular function (p < 0.001).
Conclusion:
After proper judgement of the clinical situation, coronary stent implantation should be considered in selected elderly patients. Thus, advanced age as a solely factor should not be regarded as a contraindication for coronary stent implantation.
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