Related Experiment Video

Updated: Jul 2, 2026

Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
28:13

Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation

Published on: February 26, 2013

33.4K

Coronary Artery Obstruction After Transcatheter Aortic Valve Implantation: Past, Present, and Future

Homam Ibrahim1, Adib Chaus2, Ahmed Alkhalil3

  • 1Adventist Healthcare White Oak, Silver Spring, MD (H.I., L.P.).

Circulation. Cardiovascular Interventions
|May 31, 2024
PubMed

Insights

Coronary obstruction (CO) after transcatheter aortic valve implantation is a serious risk. This review details advanced CT angiography methods for risk assessment and discusses chimney stenting and leaflet modification for CO prevention and management.

Area of Science:

  • Cardiology
  • Interventional Cardiology
  • Cardiac Surgery

Background:

  • Coronary obstruction (CO) is a rare but critical complication following transcatheter aortic valve implantation (TAVI).
  • CO significantly increases patient morbidity and mortality.
  • Effective strategies for CO risk assessment and management are crucial for TAVI success.

Purpose of the Study:

  • To provide a comprehensive review of current CO risk assessment and management strategies in TAVI.
  • To highlight recent advances in computed tomography angiography (CTA) for predicting CO risk.
  • To explore interventional and surgical techniques for mitigating CO complications.

Main Methods:

  • Review of recent literature on CO in TAVI.
  • Analysis of computed tomography angiography (CTA) for anatomic parameter evaluation.
  • Evaluation of interventional (e.g., chimney stenting) and surgical (e.g., leaflet modification) techniques.

Main Results:

  • Advanced CTA enables nuanced evaluation of anatomic parameters predictive of CO risk.
  • Chimney stenting and leaflet modification systems offer viable options for CO mitigation.
  • Proactive risk assessment and tailored management strategies are key.

Conclusions:

  • This review offers a practical guide for clinicians managing CO in TAVI.
  • Optimizing patient outcomes and procedural success requires a thorough understanding of CO prevention and management.
  • The evolving landscape of TAVI necessitates continuous updates in CO strategies.

Keywords:
coronary artery obstructionlacerationsstructural heart diseasetranscatheter aortic valve replacement

More Related Videos

Operating Transverse Aortic Constriction with Absorbable Suture to Obtain Transient Myocardial Hypertrophy07:02

Operating Transverse Aortic Constriction with Absorbable Suture to Obtain Transient Myocardial Hypertrophy

Published on: September 9, 2020

6.3K
Novel and Innovative Hybrid Technique for Type A Aortic Dissection06:26

Novel and Innovative Hybrid Technique for Type A Aortic Dissection

Published on: March 28, 2025

258

Related Concept Videos

Mitral Stenosis I: Introduction01:22

Mitral Stenosis I: Introduction

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...
Mitral Stenosis III: Medical Management01:26

Mitral Stenosis III: Medical Management

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...
Aortic Regurgitation I: Introduction01:15

Aortic Regurgitation I: Introduction

IntroductionAortic regurgitation is characterized by the backward flow of blood from the aorta into the left ventricle during diastole and arises from the improper closure of the aortic valve. This condition results in left ventricular volume overload and can stem from both acute and chronic etiologies, each contributing uniquely to the disease's progression and symptomatology.Acute and Chronic CausesAcute aortic regurgitation often results from events that suddenly impair the integrity of the...
Aortic Regurgitation III: Medical Management01:25

Aortic Regurgitation III: Medical Management

Aortic regurgitation (AR) is when the aortic valve does not close or seal properly, leading to backward blood circulation from the aorta into the left ventricle during diastole. Common causes of AR include rheumatic heart disease, congenital valve defects, and aortic root dilation. Managing AR requires a multifaceted approach to alleviate symptoms, preserve left ventricular function, and address the underlying cause of the regurgitation. Patients with symptomatic AR or significant left...
Coronary Artery Disease V: Interprofessional Care01:27

Coronary Artery Disease V: Interprofessional Care

Interprofessional care for coronary artery disease includes pharmacological therapy and revascularization procedures.Pharmacological therapy for Coronary Artery Disease (CAD) aims to manage symptoms, prevent complications, and improve patient outcomes through various classes of medications:Antiplatelet Agents:Aspirin and Clopidogrel: These medications inhibit platelet aggregation, preventing blood clots, which is crucial for avoiding heart attacks and strokes. Doctors often prescribe these...
Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations01:19

Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations

The pathophysiology of Acute Coronary Syndrome [ACD] involves several key processes:The main underlying cause of ACD is atherosclerosis, a chronic inflammatory disease characterized by the buildup of lipid-laden plaques within the coronary arteries.As the atherosclerotic plaque grows in the coronary artery, it may become unstable due to the formation of a lipid-rich core and a thin fibrous cap. Inflammatory cells within the plaque, such as macrophages, secrete enzymes that degrade the...