ArticleEuropean radiology2013
Cardiovascular CT angiography in neonates and children: image quality and potential for radiation dose reduction with iterative image reconstruction techniques.
Article in European radiology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers.
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Who cites it
31 citing papers in PubMed, 57 citations in OpenAlex.
- Reduced radiation dose and improved image quality at cardiovascular CT angiography by automated attenuation-based tube voltage selection: intra-individual comparison.European radiology · 2014Trial
- Computed tomography and magnetic resonance imaging findings in congenital cardiovascular anomalies.Diagnostic and interventional radiology (Ankara, Turkey) · 2026Review
- Correlation of patient characteristics with peak enhancement time for pediatric cardiac computed tomography in congenital heart disease.Journal of clinical imaging science · 2024Article
- Diagnostic Validity and Reliability of Low-Dose Prospective ECG-Triggering Cardiac CT in Preoperative Assessment of Complex Congenital Heart Diseases (CHDs).Children (Basel, Switzerland) · 2022Article
- Optimizing neonatal cardiac imaging (magnetic resonance/computed tomography).Pediatric radiology · 2022Review
- Quantitative evaluation of coronary artery visibility on CT angiography in Kawasaki disease: young vs. old children.The international journal of cardiovascular imaging · 2021Article
- Comparison of quantitative image quality of cardiac computed tomography between raw-data-based and model-based iterative reconstruction algorithms with an emphasis on image sharpness.Pediatric radiology · 2020Article
- Pattern Analysis of Left Ventricular Remodeling Using Cardiac Computed Tomography in Children with Congenital Heart Disease: Preliminary Results.Korean journal of radiology · 2020Article
- Optimal Attenuation Threshold for Quantifying CT Pulmonary Vascular Volume Ratio.Korean journal of radiology · 2020Article
- Imaging Modalities in Congenital Heart Disease.Indian journal of pediatrics · 2020Review
- Quantification of Initial Right Ventricular Dimensions by Computed Tomography in Infants with Congenital Heart Disease and a Hypoplastic Right Ventricle.Korean journal of radiology · 2020Article
- Computed Tomography Pulmonary Vascular Volume Ratio Can Be Used to Evaluate the Effectiveness of Pulmonary Angioplasty in Peripheral Pulmonary Artery Stenosis.Korean journal of radiology · 2019Article
- Computed tomography in children with community-acquired pneumonia.Pediatric radiology · 2017Review
- Pediatric 320-row cardiac computed tomography using electrocardiogram-gated model-based full iterative reconstruction.Pediatric radiology · 2017Article
- The role of advanced reconstruction algorithms in cardiac CT.Cardiovascular diagnosis and therapy · 2017Review
- Subjective and objective image differences in pediatric computed tomography cardiac angiography using lower iodine concentration.Pediatric radiology · 2017Article
- Comparison of Image Quality, Diagnostic Accuracy and Radiation Dose Between Flash Model and Retrospective ECG-Triggered Protocols in Dual Source Computed Tomography (DSCT) in Congenital Heart Diseases.Polish journal of radiology · 2017Article
- Optimization of hybrid iterative reconstruction level and evaluation of image quality and radiation dose for pediatric cardiac computed tomography angiography.Pediatric radiology · 2017Article
- Radiation Dose and Image Quality in Pediatric Cardiac Computed Tomography: A Comparison Between Sequential and Third-Generation Dual-Source High-Pitch Spiral Techniques.Pediatric cardiology · 2016Article
- CT-defined phenotype of pulmonary artery stenoses in Alagille syndrome.Pediatric radiology · 2016Article
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Authors and funding
14 authors at 8 institutions in 5 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectivesTo evaluate image quality (IQ) of low-radiation-dose paediatric cardiovascular CT angiography (CTA), comparing iterative reconstruction in image space (IRIS) and sinogram-affirmed iterative reconstruction (SAFIRE) with filtered back-projection (FBP) and estimate the potential for further dose reductions.
methodsForty neonates and children underwent low radiation CTA with or without ECG synchronisation. Data were reconstructed with FBP, IRIS and SAFIRE. For ECG-synchronised studies, half-dose image acquisitions were simulated. Signal noise was measured and IQ graded. Effective dose (ED) was estimated.
resultsMean absolute and relative image noise with IRIS and full-dose SAFIRE was lower than with FBP (P < 0.001), while SNR and CNR were higher (P < 0.001). Image noise was also lower and SNR and CNR higher in half-dose SAFIRE studies compared with full-and half-dose FBP studies (P < 0.001). IQ scores were higher for IRIS, full-dose SAFIRE and half-dose SAFIRE than for full-dose FBP and higher for half-dose SAFIRE than for half-dose FBP (P < 0.05). Median weight-specific ED was 0.3 mSv without and 1.36 mSv with ECG synchronisation. The estimated ED of half-dose SAFIRE studies was 0.68 mSv.
conclusionsIR improves image noise, SNR, CNR and subjective IQ compared with FBP in low-radiation-dose paediatric CTA and allows further dose reductions without compromising diagnostic IQ. KEY POINTS: • Iterative reconstruction techniques significantly improve non-invasive cardiovascular CT in children. • Using half traditional radiation dose image quality is higher with iterative reconstruction. • Iterative reconstruction techniques may allow further radiation reductions in paediatric cardiovascular CT.
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