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A Journal on Heart and Vascular Diseases

Official Journal of the Italian Society of Angiology and Vascular Pathology
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Minerva Cardioangiologica 2009 June;57(3):349-57


language: English

Clinical applications of multi-detector computed tomography coronary angiography

Cademartiri F. 1, 2, Maffei E. 1, Palumbo A. 1, 2, Martini C. 1, Vignali L. 1, Tedeschi C. 1, Guaricci A. 1, Aldrovandi A. 2, Weustink A. C. 2, Mollet N. R.

1 Department of Radiology and Cardiology Academic Hospital, Parma, Italy 2 Department of Radiology and Cardiology Erasmus Medical Center, Rotterdam, The Netherlands


Cardiac computed tomoghraphy (CT) is a fast developing technique. In 10 years it developed from investigative tool into a clinical reality. The technology drive has been the key to success for this technique which is to date the only non invasive clinical tool for coronary angiographic assessment. Technical background is quite complex and the newer solutions are aiming at reducing the scan time and the radiation dose while improving temporal resolution, contrast resolution and ultimately image quality. The key technical development has been in the late 1990, the introduction of ECG triggering/gating techniques. Spatial resolution has also been improved reaching sub-millimeter performance. The latest innovations provide fast coverage with >64 slice detectors, high spatial resolution with 0.5 mm slice thickness, high temporal resolution with <100 ms in hardware, and higher contrast resolution with the forthcoming dual-energy solutions. Recen-tly, also dose issues have been exploited and current state of the art technology are able to perform cardiac CT with 1-2 mSv. These improvements put cardiac CT as the most promising clinical tool for the non invasive assessment of coronary arteries.

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