Related Experiment Video
Updated: Mar 25, 2026
28:13
Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
Published on: February 26, 2013
34.3K
Cardiac Computed Tomography Angiography for Left Atrial Appendage Closure
Jacqueline Saw1, Joao Pedro Lopes2, Mark Reisman3
1Division of Cardiology, Vancouver General Hospital, University of British Columbia, Vancouver, British Columbia, Canada.
The Canadian Journal of Cardiology
|February 25, 2016
Summary
Cardiac CT angiography (CCTA) is crucial for planning and monitoring percutaneous left atrial appendage (LAA) closure procedures. This imaging technique assesses LAA anatomy, detects thrombus, and evaluates for complications, improving patient outcomes.
Area of Science:
- Cardiology
- Medical Imaging
- Interventional Procedures
Background:
- Atrial fibrillation is common, leading to increased use of percutaneous left atrial appendage (LAA) closure.
- LAA closure is complex, with success dependent on detailed anatomical understanding.
Purpose of the Study:
- To review the practical applications of cardiac computed tomography angiography (CCTA) in left atrial appendage closure.
- To highlight CCTA's role in pre-procedural planning, intra-procedural guidance, and post-procedural surveillance.
Main Methods:
- Cardiac computed tomography angiography (CCTA) provides detailed anatomical visualization of the LAA and surrounding structures.
- CCTA enables assessment of LAA morphology, identification of thrombus, and evaluation of procedural success and complications.
Main Results:
- CCTA is valuable for pre-procedural planning, offering unique imaging planes for LAA assessment.
- It aids in detecting pre-existing LAA thrombus.
- Post-procedure, CCTA is useful for surveillance of device-related thrombus, residual leaks, and complications.
Conclusions:
- CCTA is an indispensable tool for optimizing percutaneous LAA closure.
- Its utility spans pre-procedural assessment, thrombus evaluation, and post-procedural monitoring, enhancing safety and efficacy.
Related Concept Videos
01:24Cardiac Catheterization III: Left Heart Catheterization
1.1K
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...
1.1K
01:28Imaging Studies for Cardiovascular System V: CT
536
Cardiac computed tomography (CT) scanning is an advanced cardiac imaging technique that utilizes CT technology, with or without intravenous (IV) contrast, to produce accurate cross-sectional virtual slices of specific areas of the heart, coronary circulation, and major blood vessels such as the aorta, pulmonary veins, and arteries. The computer processes these slices to generate three-dimensional images. Multidetector CT (MDCT) is a rapid form of CT scanning that captures multiple slices...
536
01:30Acute Coronary Syndrome III: Diagnostic Studies
411
Diagnosing acute coronary syndrome or ACS begins with a thorough patient history. Notable symptoms include central, crushing chest pain radiating to the left arm, neck, jaw, or back, along with shortness of breath, sweating (diaphoresis), nausea, vomiting, dizziness, and palpitations.It is crucial to note any history of cardiac illnesses and assess risk factors, including age, gender, smoking, hypertension, diabetes, hyperlipidemia, and a sedentary lifestyle.During physical examination, vital...
411
01:22Aortic Regurgitation II: Clinical Features and Diagnostic Tests
837
Aortic valve regurgitation (AR) occurs when the aortic valve fails to close properly, allowing blood to flow backward from the aorta into the left ventricle. This backflow can result in two distinct clinical presentations: acute and chronic AR, each characterized by its own set of symptoms and physical findings.Acute Aortic RegurgitationAcute AR presents with a sudden onset of severe symptoms. Patients typically experience profound dyspnea (shortness of breath), chest pain, and signs of left...
837
01:20Imaging Studies for Cardiovascular System II:Types of Echocardiography
834
Echocardiography plays a role in assessing cardiac health and detecting heart conditions, with various types providing critical insights for diagnosis and treatment.
Types of Echocardiography
Transthoracic Echocardiography (TTE)
TTE is the most common type of echocardiogram which involves placing a transducer on the patient's chest, emitting sound waves to create heart images. TTE is invaluable for evaluating the heart's size, structure, and motion, making it particularly useful for...
Types of Echocardiography
Transthoracic Echocardiography (TTE)
TTE is the most common type of echocardiogram which involves placing a transducer on the patient's chest, emitting sound waves to create heart images. TTE is invaluable for evaluating the heart's size, structure, and motion, making it particularly useful for...
834
01:28Cardiac Catheterization I: Pre-Procedure Overview
2.4K
Cardiac catheterization is an invasive diagnostic technique used to identify and evaluate structural and functional diseases of the heart and major blood vessels. This technique diagnoses congenital heart disease, coronary artery disease, valvular heart disease, and coronary spasms and assesses ventricular function. It helps guide treatment decisions, including the need for revascularization procedures like percutaneous coronary intervention (PCI) or coronary artery bypass grafting (CABG) and...
2.4K