IVUS in bifurcation stenting: what have we learned?
Jacek Legutko1, Masahiro Yamawaki, Ricardo A Costa
1Institute of Cardiology, Jagiellonian University Medical College, Krakow, Poland.
Summary
Intravascular ultrasound (IVUS) provides superior imaging for coronary artery bifurcation lesions compared to angiography. IVUS-guided drug-eluting stent (DES) implantation shows improved patient outcomes.
Area of Science:
- Cardiovascular Imaging
- Interventional Cardiology
- Medical Technology
Background:
- Coronary angiography has limitations in visualizing atherosclerotic plaque and assessing complex bifurcation lesions.
- Overlapping vessels and carina obscure detailed lesion assessment with traditional angiography.
- Intravascular ultrasound (IVUS) offers real-time, cross-sectional imaging for precise evaluation.
Purpose of the Study:
- To review the current evidence supporting the use of IVUS in coronary artery bifurcation stenting.
- To compare the diagnostic and therapeutic advantages of IVUS over angiography in complex lesions.
- To present European Society of Cardiology and European Bifurcation Club recommendations for IVUS utilization.
Main Methods:
- Review of existing scientific literature, large registries, and meta-analyses.
- Comparison of IVUS imaging capabilities versus coronary angiography for bifurcation lesions.
- Evaluation of stent deployment parameters (expansion, apposition, edge integrity) using IVUS.
Main Results:
- IVUS enables precise, real-time, cross-sectional assessment of all bifurcation lesion segments.
- IVUS allows accurate measurements of luminal and vessel areas, superior to angiography.
- Evidence suggests better acute and long-term outcomes with IVUS-guided drug-eluting stent (DES) implantation compared to angiography-guided procedures.
Conclusions:
- IVUS imaging offers significant advantages over angiography for assessing coronary artery bifurcation lesions.
- IVUS-guided DES implantation is associated with improved procedural success and patient outcomes.
- Current guidelines and consensus support the use of IVUS in complex bifurcation stenting procedures.
Related Concept Videos
01:26Mitral Stenosis III: Medical Management
483
Mitral stenosis, a condition marked by the narrowing of the mitral valve, necessitates an integrated approach for effective management. This approach includes preventative measures, medical therapy, and surgical interventions to reduce symptoms and prevent complications.PreventionPrevention of mitral stenosis primarily focuses on reducing the incidence of bacterial infections, particularly streptococcal infections, which can lead to rheumatic fever and subsequent valvular damage. Timely...
483
01:21Inflammatory Bowel Disease V: Surgical Management
881
Surgical interventions for inflammatory bowel disease (IBD), which includes ulcerative colitis and Crohn's disease, are essential in managing symptoms and addressing complications. The selection of surgical procedures is contingent upon the specific conditions and complications that stem from these illnesses.
Here are some common surgical interventions for IBD:
Here are some common surgical interventions for IBD:
881
01:26Cardiac Catheterization IV: Nursing Management
1.2K
Nursing responsibilities before cardiac catheterization include:Assess for allergies and establish baseline health status.Before cardiac catheterization, assess the patient for allergies to contrast dye. Perform a comprehensive baseline assessment, including vital signs, heart and breath sounds, and a neurovascular assessment of the extremities, noting distal pulses, skin color, and temperature. Instruct the patient to fast for 8-12 hours before the procedure. Evaluate baseline laboratory...
1.2K
01:22Mitral Stenosis I: Introduction
1.5K
Mitral Valve Stenosis (MVS) is a heart condition where the mitral valve narrows, impeding blood circulation from the left atrium to the left ventricle. The etiology and pathophysiology of this condition are multifaceted, leading to a cascade of cardiovascular complications.Causes of Mitral Valve StenosisRheumatic Heart Disease: It is the main cause of mitral valve stenosis, particularly in developing nations. This condition arises from rheumatic fever, an inflammatory illness resulting from...
1.5K
01:24Esophageal Varices-I: Introduction
2.2K
Esophageal varices are dilated, tortuous veins which are found mainly in the submucosa of the lower esophagus but which may also appear higher up or extend into the stomach. They develop due to increased pressure in the portal venous system, often as a result of liver cirrhosis. This condition scars and damages the liver, impeding normal blood flow through the portal vein. To compensate, blood seeks alternative pathways, forming fragile new vessels (varices) in the esophagus and stomach. These...
2.2K
01:24Cardiac Catheterization III: Left Heart Catheterization
1.2K
Left heart catheterization is an invasive diagnostic procedure used to evaluate the function and structure of the left side of the heart. It is generally performed to diagnose and treat cardiovascular conditions such as valve abnormalities, coronary artery disease, and congenital heart defects.Diagnostic and therapeutic purposesLeft heart catheterization serves various diagnostic and therapeutic purposes, including:Assessing coronary artery bypass grafts.Evaluating coronary artery disease in...
1.2K