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Coronary imaging techniques with emphasis on CT and MRI

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Abstract

Coronary artery imaging in children is challenging, with high demands both on temporal and spatial resolution due to high heart rates and smaller anatomy. Although invasive conventional coronary angiography remains the benchmark technique, over the past 10 years, CT and MRI have emerged in the field of coronary imaging. The choice of hardware is important. For CT, the minimum requirement is a 64-channel scanner. The temporal resolution of the scanner is most important for optimising image quality and minimising radiation dose. Manufacturers have developed several modes of electrocardiographic (ECG) triggering to facilitate dose reduction. Recent technical advances have opened new possibilities in MRI coronary imaging. As a non-ionising radiation technique, MRI is of great interest in paediatric imaging. It is currently recommended in centres with appropriate expertise for the screening of patients with suspected congenital coronary anomalies. However, MRI is still not feasible in infants. This review describes and discusses the technical requirements and the pros and cons of all three techniques.

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Authors and Affiliations

  1. CHU Bordeaux, Thoracic and Cardiovascular Imaging Department, Hôpital Cardiologique, Avenue de Magellan, Pessac, 33600, France

    Mathieu Lederlin, Valérie Latrabe, Olivier Corneloup, Hubert Cochet, Michel Montaudon & François Laurent

  2. CHU Bordeaux, Pediatric and Adult Congenital Heart Disease Unit, Hôpital Cardiologique, Avenue de Magellan, Pessac, 33600, France

    Jean-Benoit Thambo

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  1. Mathieu Lederlin
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  2. Jean-Benoit Thambo
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Lederlin, M., Thambo, JB., Latrabe, V. et al. Coronary imaging techniques with emphasis on CT and MRI. Pediatr Radiol 41, 1516–1525 (2011). https://doi.org/10.1007/s00247-011-2222-0

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