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Provisional stenting strategies: systematic overview and implications for clinical decision-making
W J Cantor1, E D Peterson, J J Popma
1Duke Clinical Research Institute, Durham, North Carolina, USA. canto001@mc.duke.edu
Journal of the American College of Cardiology
|October 12, 2000
Summary
Provisional stenting strategies may reduce costs and restenosis rates. Identifying low-risk patients for balloon angioplasty alone avoids unnecessary coronary stent implantation.
Area of Science:
- Interventional Cardiology
- Cardiovascular Medicine
Background:
- Coronary stents reduce complications but don't prevent myocardial infarction or death.
- High costs and managing in-stent restenosis drive need for provisional stenting.
- Percutaneous transluminal coronary angioplasty (PTCA) alone may suffice for low-restenosis-risk patients.
Purpose of the Study:
- Investigate provisional stenting feasibility.
- Identify low-risk patients suitable for PTCA alone.
- Evaluate modalities for predicting outcomes after PTCA.
Main Methods:
- Review of patient, lesion, and procedural restenosis predictors.
- Assessment of post-PTCA outcomes using angiography, IVUS, CVR, and FFR.
- Analysis of studies on provisional stenting strategies and guidance modalities.
Main Results:
- Optimal angiographic results post-PTCA correlate with favorable outcomes.
- IVUS or CVR guidance shows promise in provisional stenting.
- Angiography alone may be insufficient; combination with clinical factors/imaging is needed.
Conclusions:
- Provisional stenting can potentially lower costs and restenosis.
- Avoiding unnecessary stenting significantly impacts healthcare expenses.
- Careful patient selection is key to successful provisional stenting strategies.