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The ESSEX (European Scimed Stent Experience) study
I P Kay1, M Sabate, G Van Langenhove
1Thoraxcenter, Rotterdam, The Netherlands.
Summary
The Scimed Radius stent demonstrated safe and effective implantation in the ESSEX study. This self-expanding coronary stent achieved comparable outcomes to balloon-expandable stents in patients undergoing elective procedures.
Area of Science:
- Cardiovascular Medicine
- Interventional Cardiology
- Medical Device Technology
Background:
- Coronary artery disease necessitates effective revascularization strategies.
- Self-expanding stents offer an alternative to traditional balloon-expandable devices.
- Assessing novel stent safety and efficacy is crucial for clinical practice.
Purpose of the Study:
- To evaluate the safety and feasibility of the Scimed Radius stent.
- To assess stent placement outcomes using quantitative coronary angiography (QCA) and intravascular ultrasound (IVUS).
Main Methods:
- Prospective, multicenter, observational ESSEX study.
- Enrollment of 103 patients for elective single stent implantation (de novo or restenotic lesions).
- QCA at baseline, postprocedure, and 6-month follow-up; IVUS for implantation optimization.
Main Results:
- 100% technical success for Radius stent implantation.
- 97% event-free survival at 1 month, 76% at 6 months.
- 19% angiographic restenosis for de novo lesions; no subacute thrombosis observed.
Conclusions:
- The self-expanding Scimed Radius stent is safe and efficacious.
- Outcomes are comparable to modern balloon-expandable stents.
- High-pressure balloon optimization did not significantly impact clinical or imaging outcomes.