Image quality of ultra-low radiation exposure coronary CT angiography with an effective dose <0.1 mSv using high-pitch spiral acquisition and raw data-based iterative reconstruction

Objectives We evaluated the potential of prospectively ECG-triggered high-pitch spiral acquisition with low tube voltage and current in combination with iterative reconstruction to achieve coronary CT angiography with sufficient image quality at an effective dose below 0.1 mSv. Methods Contrast-enha...

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Bibliographic Details
Published in:European radiology 2013-03, Vol.23 (3), p.597-606
Main Authors: Schuhbaeck, Annika, Achenbach, Stephan, Layritz, Christian, Eisentopf, Jasmin, Hecker, Franziska, Pflederer, Tobias, Gauss, Soeren, Rixe, Johannes, Kalender, Willi, Daniel, Werner G., Lell, Michael, Ropers, Dieter
Format: Article
Language:English
Subjects:
Algorithms
Cardiology
Computed Tomography
Contrast agents
Coronary Angiography - methods
Coronary Stenosis - diagnostic imaging
Diagnostic Radiology
Female
Heart rate
Humans
Imaging
Internal Medicine
Interventional Radiology
Male
Medical imaging
Medicine
Medicine & Public Health
Middle Aged
Neuroradiology
Radiation
Radiation Dosage
Radiation Protection - methods
Radiographic Image Enhancement - methods
Radiographic Image Interpretation, Computer-Assisted - methods
Radiology
Reproducibility of Results
Sensitivity and Specificity
Tomography
Tomography, Spiral Computed - methods
Ultrasound
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Summary:Objectives We evaluated the potential of prospectively ECG-triggered high-pitch spiral acquisition with low tube voltage and current in combination with iterative reconstruction to achieve coronary CT angiography with sufficient image quality at an effective dose below 0.1 mSv. Methods Contrast-enhanced coronary dual source CT angiography (2 × 128 × 0.6 mm, 80 kV, 50 mAs) in prospectively ECG-triggered high-pitch spiral acquisition mode was performed in 21 consecutive individuals (body weight
ISSN:0938-7994
1432-1084
DOI:10.1007/s00330-012-2656-2