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- Title
Clinical Question Influence on Radiation Dose of Cardiac CT Scan in Children.
- Authors
Adla, Theodor; Kočí, Martin; Suchánek, Vojtěch; Šalagovičová, Zuzana; Polovinčák, Michal; Mikšík, Lukáš; Janoušek, Jan; Roček, Miloslav
- Abstract
Background: To assess the impact of different clinical questions on radiation doses acquired during cardiac computed tomography in children. Methods: A total of 116 children who underwent cardiac CT on a third-generation dual-source CT scanner were included. The clinical questions were divided into three main categories: the extent of scanning in the z-axis, coronary artery assessment and cardiac function assessment. Radiation dose values represented as a dose-length product (DLP) in mGy*cm were recorded from the CT scanner protocols. Results: There were significantly higher doses in cases with cardiac function assessment (median DLP 348 versus 59 mGy*cm, p < 0.01) and in cases with coronary artery assessment (median DLP 133 versus 71 mGy*cm, p < 0.01). Conclusion: The most important factor was the assessment of cardiac function, where the median radiation dose was 4.3× higher in patients with a request for cardiac function assessment. We strongly recommend that clinical requests for cardiac CT should be carefully considered in the paediatric population.
- Subjects
CZECH Republic; HEART radiography; ACADEMIC medical centers; PEDIATRICS; RETROSPECTIVE studies; ACQUISITION of data; RADIATION doses; MEDICAL records; COMPUTED tomography; RADIATION dosimetry; MEDICAL logic; CHILDREN
- Publication
Children, 2022, Vol 9, Issue 8, p1172
- ISSN
2227-9067
- Publication type
Article
- DOI
10.3390/children9081172