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Related Concept Videos

Imaging Studies for Cardiovascular System V: CT01:28

Imaging Studies for Cardiovascular System V: CT

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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...
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Computed Tomography01:10

Computed Tomography

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Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
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Imaging Studies for Cardiovascular System III: X-Ray01:20

Imaging Studies for Cardiovascular System III: X-Ray

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The most common cardiovascular diagnostic test is an X-ray. It produces images of the heart, blood vessels, and adjacent structures.
Definition and Purpose
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...
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Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT01:25

Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT

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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...
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Imaging Studies III: Computed Tomography01:27

Imaging Studies III: Computed Tomography

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DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...
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Imaging Studies for Cardiovascular System I:Echocardiography01:17

Imaging Studies for Cardiovascular System I:Echocardiography

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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.
Indications: Echocardiography is utilized to diagnose heart failure, valve disorders, and myocardial infarction. It also assesses cardiac structures' size, shape, and motion,...
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Software innovations in computed tomography for structural heart disease interventions.

Michaela Hell1, Mohamed Marwan, Luise Gaede

  • 1Medizinische Klinik 2, Universitätsklinikum Erlangen, Friedrich-Alexander Universität Erlangen-Nürnberg (FAU), Erlangen, Germany.

Eurointervention : Journal of Europcr in Collaboration with the Working Group on Interventional Cardiology of the European Society of Cardiology
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Summary

Computed tomography (CT) is crucial for structural heart disease interventions, aiding in precise measurements and optimal imaging. Specialized software enhances accuracy, especially for transcatheter aortic valve implantation (TAVI).

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Area of Science:

  • Cardiology
  • Medical Imaging
  • Interventional Cardiology

Background:

  • Computed tomography (CT) offers high spatial resolution, establishing its role in pre-procedural imaging for structural heart disease interventions.
  • CT imaging facilitates precise dimensional assessment, evaluation of access routes, and identification of optimal fluoroscopic angles for device placement.

Purpose of the Study:

  • To evaluate the utility and accuracy of software solutions in analyzing CT scans for structural heart disease interventions, particularly transcatheter aortic valve implantation (TAVI).
  • To assess the role of automated CT measurements in supporting annulus sizing, prosthesis selection, and procedural planning.

Main Methods:

  • Systematic evaluation of available software solutions for CT analysis in the context of TAVI.
  • Assessment of automated measurement capabilities for annulus sizing, prosthesis selection, and identification of challenging transfemoral access routes.
  • Analysis of software-assisted suggestions for fluoroscopic angulation to achieve orthogonal views of the aortic valve.

Main Results:

  • Software solutions provide accurate support for annulus sizing and prosthesis selection in TAVI.
  • Automated CT analysis aids in identifying patients with potential difficulties in transfemoral access.
  • Software can suggest optimal fluoroscopic angles for accurate aortic valve visualization during implantation.

Conclusions:

  • Software-assisted CT analysis is valuable for structural heart disease interventions, especially TAVI.
  • Automated measurements improve accuracy and efficiency, particularly for operators with limited experience in CT evaluation.
  • CT imaging combined with specialized software enhances procedural planning and outcomes in structural heart interventions.