Related Experiment Video
Updated: Aug 14, 2026

A Murine Model of Stent Implantation in the Carotid Artery for the Study of Restenosis
Published on: May 14, 2013
Does unprotected left main-stem stenting have a role in current interventional practice?
R A Skyrme-Jones1, H M Farouque, C H Ang
1Cardiovascular Research Centre, Centre for Heart and Chest Research, Monash Medical Centre, Victoria, Australia.
Insights
Percutaneous coronary intervention is increasingly viable for left main-stem disease, challenging its traditional surgical indication. Careful patient selection and advanced techniques are key to successful long-term outcomes.
Area of Science:
- Cardiology
- Interventional Cardiology
- Vascular Medicine
Background:
- Left main-stem disease affects up to 5% of patients undergoing coronary angiography.
- Historically, it was considered an absolute indication for coronary bypass surgery due to poor outcomes with early angioplasty.
- Advancements in stent technology and anti-thrombotic therapies are changing treatment paradigms.
Purpose of the Study:
- To evaluate the growing evidence supporting percutaneous coronary intervention (PCI) for left main-stem disease.
- To highlight the critical technical considerations for successful PCI in this patient group.
Main Methods:
- Review of current literature and technological advancements in PCI for left main-stem disease.
- Emphasis on patient selection, stent technology, intravascular ultrasound utilization, and anti-platelet strategies.
Main Results:
- Emerging evidence supports the feasibility and efficacy of a percutaneous approach.
- Successful outcomes are contingent upon meticulous procedural execution and comprehensive patient management.
Conclusions:
- Percutaneous coronary intervention is a viable alternative to surgery for select patients with left main-stem disease.
- Optimal outcomes require careful patient selection, advanced stenting techniques, and diligent follow-up.
Abstract:
Left main-stem disease is found in up to 5% of patients undergoing coronary angiography. Until recently, it has been regarded as an absolute indication for coronary bypass surgery, given the poor results of the early trials of balloon angioplasty for this condition. However, with rapidly advancing technology, including new generation stents and increasingly effective post-stenting anti-thrombotic regimens, there is now an increasing body of evidence to support the consideration of a percutaneous approach to left main-stem disease. Discerning patient selection, meticulous stent sizing and deployment, the routine use of intravascular ultrasound, aggressive anti-platelet regimes, and careful patient follow up are a few of the technical considerations required for a successful long-term outcome in this group.
Related Concept Videos
Peripheral Artery Disease III: Interprofessional Care
Mitral Stenosis III: Medical Management
Coronary Artery Disease V: Interprofessional Care
Cardiac Catheterization III: Left Heart Catheterization
Acute Coronary Syndrome I: Introduction
Acute Coronary Syndrome IV: Interprofessional Care