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Updated: Aug 2, 2026

08:09
Vessel-sparing Excision and Primary Anastomosis
Published on: January 7, 2019
Atherectomy plus stenting: what do we gain?
1Lenox Hill Heart and Vascular Institute, NY, USA. Imoussa@worldnet.att.net
Summary
Directional atherectomy before coronary stenting may reduce in-stent restenosis in complex lesions. Further research and device improvements are needed to confirm its clinical utility for high-risk patients.
Area of Science:
- Interventional Cardiology
- Biomedical Engineering
Background:
- Coronary stents improve outcomes but can lead to in-stent restenosis, especially in complex lesions.
- High plaque burden is a key factor inciting neo-intimal proliferation post-stenting.
Purpose of the Study:
- To evaluate plaque removal via directional atherectomy as a strategy to reduce in-stent restenosis.
- To identify patient subgroups and technical factors that may optimize this approach.
Main Methods:
- Prospective non-randomized study evaluating directional atherectomy prior to stent implantation.
- Analysis of factors influencing restenosis and clinical outcomes.
Main Results:
- Prospective data suggest directional atherectomy is a promising approach for selected patients.
- Randomized trial data are pending to establish definitive proof of concept.
Conclusions:
- Directional atherectomy may reduce restenosis in specific complex coronary lesions.
- Clinical utility depends on device improvement, minimizing complications, and patient selection for high-risk scenarios.

