Trial reportThe international journal of cardiovascular imaging2019
Image quality and radiation dose of two prospective ECG-triggered protocols using 128-slice dual-source CT angiography in infants with congenital heart disease.
Trial report in The international journal of cardiovascular imaging, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
7 citing papers in PubMed.
- Ultra-low 70-kV cardiac CT angiography in neonates: a comparative dose-optimized approach with preserved image quality.Frontiers in cardiovascular medicine · 2026Article
- Real-world impact of high-pitch helical CT on radiation exposure and image quality in infants being evaluated for cardiothoracic pathologies.Pediatric radiology · 2025Article
- Application of prospective ECG-gated multiphase scanning for coronary CT in children with different heart rates.Japanese journal of radiology · 2021Article
- Prognostic Value of CTA-Derived Left Ventricular Mass in Neonates with Congenital Heart Disease.Diagnostics (Basel, Switzerland) · 2021Article
- Image quality and radiation dose of different scanning protocols in DSCT cardiothoracic angiography for children with tetralogy of fallot.The international journal of cardiovascular imaging · 2020Article
- Cardiovascular imaging 2019 in the International Journal of Cardiovascular Imaging.The international journal of cardiovascular imaging · 2020Article
- Third-generation dual-source dual-energy CT in pediatric congenital heart disease patients: state-of-the-art.La Radiologia medica · 2019Review
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Authors and funding
7 authors.
Funding
Abstract
This study aims to investigate the image quality and radiation dose of prospective ECG-triggered 128-slice dual-source CT (DSCT) angiography in the delineation of coronary arteries in infants with congenital heart disease (CHD). Sixty-three infants with CHD were randomly assigned into two groups: prospective ECG-triggered sequential protocol (group 1) and high-pitch spiral protocol (group 2). Patients were selected to the protocols randomly. A five-point scoring system was applied to study the capability of detecting coronary arteries. A score of < 3 represents non-diagnostic. Effective radiation dose (ED) was calculated. The visualized rate for original, proximal, middle and distal segments of the coronary arteries was 98%, 95%, 94% and 83%, respectively in group 1, 93%, 82%, 53% and 34%, respectively in group 2. There were no significant demographic differences in the identification rate between the two groups as to the original and most of the proximal segments. Significant demographic differences were found in middle and distal segments (p < 0.05). The mean ED of the high pitch group and the sequential group was 0.33 ± 0.11 mSv and 0.63 ± 0.16 mSv, respectively. Both the prospective ECG-gated high-pitch mode and the sequential mode for 128-slice DSCT allow satisfactory delineation of original and most of the proximal segments of coronary arteries in infants with CHD. However, an ECG-gated sequential mode is recommended when detailed anatomic assessment of the whole coronary arteries are needed since the ECG-gated high-pitch mode is limited in the delineation of middle and distal segments of the coronary arteries.
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