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Related Concept Videos

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...

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Coronary angiography with multi-slice computed tomography.

K Nieman1, M Oudkerk, B J Rensing

  • 1Department of Cardiology, Thoraxcenter, Rotterdam University Hospital, Netherlands.

Lancet (London, England)
|September 18, 2001
PubMed
Summary
This summary is machine-generated.

Multi-slice computed tomography (MSCT) angiography shows promise for non-invasively imaging coronary artery stenoses. This new technique can visualize coronary anatomy and detect significant stenoses, offering potential as a reliable clinical tool.

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Area of Science:

  • Cardiovascular Imaging
  • Radiology
  • Medical Technology

Background:

  • Subsecond multi-slice computed tomography (MSCT) scanners with complete coronary coverage are emerging.
  • The diagnostic potential of MSCT angiography for various coronary artery disorders requires investigation.

Purpose of the Study:

  • To evaluate the diagnostic value of MSCT angiography in patients with coronary artery disease.

Main Methods:

  • 35 patients (including those with prior percutaneous transluminal coronary angioplasty and coronary-artery bypass grafts) underwent both MSCT and conventional coronary angiography.
  • MSCT involved intravenous contrast injection and a single breath-hold scan (total time ≤20 min).
  • Retrospective electrocardiographically gated reconstruction and 3D volume analysis were performed by blinded investigators.

Main Results:

  • In 31 non-surgically treated patients, 73% of coronary segments were assessable.
  • 17 of 21 significant stenoses were correctly diagnosed; misinterpretations were linked to calcification.
  • Stent patency was assessable, bypass graft lesions were detected, and anomalous coronary anatomy was visualized.

Conclusions:

  • MSCT angiography demonstrates potential for non-invasive imaging of coronary artery stenoses.
  • The technique shows promise as a reliable clinical tool for diagnosing coronary artery disorders.