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Related Concept Videos

Imaging Studies for Cardiovascular System I:Echocardiography01:17

Imaging Studies for Cardiovascular System I:Echocardiography

Cardiac imaging studies encompass a wide range of noninvasive and minimally invasive techniques designed to visualize the heart's structure and function in detail. One such technique is echocardiography, which uses high-frequency ultrasound waves to produce detailed images of the heart, known as echocardiograms.
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Imaging Studies for Cardiovascular System III: X-Ray

The most common cardiovascular diagnostic test is an X-ray. It produces images of the heart, blood vessels, and adjacent structures.
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An X-ray, or radiograph, is a non-invasive method that uses ionizing radiation to take images of internal structures. It is mainly used in cardiac imaging to examine the heart, lungs, and major blood vessels, aiming to identify abnormalities in the heart's size, shape, and position, such as heart failure, congenital defects, and vascular...
Imaging Studies for Cardiovascular System V: CT01:28

Imaging Studies for Cardiovascular System V: CT

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...
Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT01:25

Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT

Calcium-Scoring CT ScanA calcium-scoring CT scan, also known as coronary artery calcium (CAC) scan, detects calcium deposits in the coronary arteries. This test assesses the risk of coronary artery disease (CAD), which can lead to cardiovascular events such as angina, heart failure, and sudden cardiac arrest.A calcium-scoring CT scan is generally recommended for individuals at intermediate risk of CAD without symptoms. It includes:Men aged 40-75 and women aged 50-75: Especially those with a...
Cardiac Catheterization I: Pre-Procedure Overview01:28

Cardiac Catheterization I: Pre-Procedure Overview

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...
Cardiac Catheterization III: Left Heart Catheterization01:24

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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...

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The WATCHMAN Left Atrial Appendage Closure Device for Atrial Fibrillation
23:33

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Position Statement on Cardiac Computed Tomography Following Left Atrial Appendage Occlusion.

Kasper Korsholm1, Xavier Iriart2, Jacqueline Saw3

  • 1Aarhus University Hospital, Aarhus, Denmark.

JACC. Cardiovascular Interventions
|August 14, 2024
PubMed
Summary
This summary is machine-generated.

Cardiac CT imaging offers a noninvasive approach for monitoring patients after left atrial appendage occlusion (LAAO) for stroke prevention. This review proposes standardized CCT protocols for improved interpretation of post-LAAO findings.

Keywords:
cardiac computed tomographydevice-related thrombosisleft atrial appendage closureperidevice leak

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Area of Science:

  • Cardiovascular Imaging
  • Interventional Cardiology

Background:

  • Left atrial appendage occlusion (LAAO) is an emerging stroke prevention therapy for atrial fibrillation.
  • Cardiac imaging is crucial for LAAO planning, guidance, and follow-up.
  • Cardiac computed tomography (CCT) offers advancements for noninvasive LAAO assessment.

Purpose of the Study:

  • To establish a standardized approach for CCT acquisition and interpretation post-LAAO.
  • To provide expert consensus on defining essential CCT findings after LAAO.

Main Methods:

  • Comprehensive literature review on CCT in LAAO.
  • Expert consensus among European and North American specialists.
  • Focus on standardized protocols for image acquisition and interpretation.

Main Results:

  • CCT provides high-resolution, noninvasive assessment of LAAO.
  • CCT can detect device-specific complications like peridevice leak and thrombosis.
  • Novel CCT findings include hypoattenuated thickening and appendage contrast patency.

Conclusions:

  • Standardized CCT protocols are needed for reliable post-LAAO evaluation.
  • CCT offers advantages over transesophageal echocardiography in detecting LAAO complications.
  • This paper provides a practical guide for CCT use in LAAO follow-up.