Image quality and radiation dose of dual source high pitch computed tomography in pediatric congenital heart disease

Kravchenko, Dmitrij; Hart, Christopher; Garbe, Stephan; Luetkens, Julian A.; Isaak, Alexander; Mesropyan, Narine; Vergnat, Mathieu; Leyens, Judith; Attenberger, Ulrike; Kuetting, Daniel

doi:10.1038/s41598-022-13404-w

Cited by 3 publications

(2 citation statements)

References 26 publications

(25 reference statements)

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“…For 70 kV, the current study showed a median E eff of 0.30 mSv with all ages up to 17 years included, and for those below 1 year of age, the median E eff was 0.22 mSv. In comparison, a recent 70 kV dual-source conventional CT study that only included young children (3.5 [0.2–6.6] months) showed a median E eff of 0.20 mSv [ 14 ].…”

Section: Discussionmentioning

confidence: 99%

Photon-counting computed tomography for paediatric congenital heart defects yields images of high diagnostic quality with low radiation doses at both 70 kV and 90 kV

Stålhammar,

Aurumskjöld,

Meyer

et al. 2024

Pediatr Radiol

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Background Photon-counting computed tomography (PCCT) is a new clinical method that may show better diagnostic quality at lower radiation doses than conventional CT. Objective To investigate the diagnostic quality and radiation dose of paediatric cardiovascular PCCT for diagnosis of congenital heart defects at 70 kV and 90 kV. Materials and methods This retrospective assessment included clinical non-gated paediatric PCCT examinations for assessment of congenital heart defects. Radiation doses were recorded, and overall and specific diagnostic quality (1–4) were scored by four paediatric radiologists. Agreement, differences, and trends were assessed by percent rater agreement, intraclass correlation, Mann–Whitney tests, and Jonckheere-Terpstra tests. Results Seventy children with congenital heart defects were examined at 70 kV (n = 35; age 2 days–16 years; 63% boys) or 90 kV (n = 35; age 2 days–17 years; 51% boys). All observers gave a median score of 4 (high diagnostic quality) for both 70 kV and 90 kV, with no difference in median values between tube voltages (all P > 0.06). Agreement for overall scores was 66–94% for 70 kV and 60–77% for 90 kV. Agreement for specific scores was 80–97% for 70 kV and 83–89% for 90 kV. Size-dependent dose estimate was 0.68 mGy (0.25–2.02 mGy) for 70 kV and 1.10 mGy (0.58–2.71 mGy; P < 0.001) for 90 kV. Effective dose was 0.30 mSv (0.15–0.82 mSv) for 70 kV and 0.39 mSv (0.22–1.51 mSv; P = 0.01) for 90 kV. Conclusion Paediatric cardiovascular PCCT yields images for congenital heart defects of high diagnostic quality with low radiation dose at both 70 kV and 90 kV.

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Section: Discussionmentioning

confidence: 99%

Photon-counting computed tomography for paediatric congenital heart defects yields images of high diagnostic quality with low radiation doses at both 70 kV and 90 kV

Stålhammar,

Aurumskjöld,

Meyer

et al. 2024

Pediatr Radiol

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“…It is mandatory to use distinctive CT protocols for pediatric examinations. The newest CT scanner generations [ 14 ] plus denoising technologies based on AI algorithms [ 15 ] are additionally of high importance.…”

Section: Introductionmentioning

confidence: 99%

Non-invasive pediatric cardiac imaging—current status and further perspectives

et al. 2022

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Background Non-invasive cardiac imaging has a growing role in diagnosis, differential diagnosis, therapy planning, and follow-up in children and adolescents with congenital and acquired cardiac diseases. This review is based on a systematic analysis of international peer-reviewed articles and additionally presents own clinical experiences. It provides an overview of technical advances, emerging clinical applications, and the aspect of artificial intelligence. Main body The main imaging modalities are echocardiography, CT, and MRI. For echocardiography, strain imaging allows a novel non-invasive assessment of tissue integrity, 3D imaging rapid holistic overviews of anatomy. Fast cardiac CT imaging new techniques—especially for coronary assessment as the main clinical indication—have significantly improved spatial and temporal resolution in adjunct with a major reduction in ionizing dose. For cardiac MRI, assessment of tissue integrity even without contrast agent application by mapping sequences is a major technical breakthrough. Fetal cardiac MRI is an emerging technology, which allows structural and functional assessment of fetal hearts including even 4D flow analyses. Last but not least, artificial intelligence will play an important role for improvements of data acquisition and interpretation in the near future. Conclusion Non-invasive cardiac imaging plays an integral part in the workup of children with heart disease. In recent years, its main application congenital heart disease has been widened for acquired cardiac diseases.

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Photon-counting versus Dual-Source CT of Congenital Heart Defects in Neonates and Infants: Initial Experience

et al. 2023

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Image quality and radiation dose of dual source high pitch computed tomography in pediatric congenital heart disease

Cited by 3 publications

References 26 publications

Photon-counting computed tomography for paediatric congenital heart defects yields images of high diagnostic quality with low radiation doses at both 70 kV and 90 kV

Photon-counting computed tomography for paediatric congenital heart defects yields images of high diagnostic quality with low radiation doses at both 70 kV and 90 kV

Non-invasive pediatric cardiac imaging—current status and further perspectives

Photon-counting versus Dual-Source CT of Congenital Heart Defects in Neonates and Infants: Initial Experience

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