ArticleDento maxillo facial radiology2016
Dose reduction potential of iterative reconstruction algorithms in neck CTA-a simulation study.
Article in Dento maxillo facial radiology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 9 citations in OpenAlex.
- Development, validation, and application of a generic image-based noise addition method for simulating reduced dose computed tomography images.Medical physics · 2025Article
- Ultra-low-dose CT is feasible for torsion measurement of the lower limb in patients with metal implants.The British journal of radiology · 2023Article
- Ultra-low dose CT for scaphoid fracture detection-a simulational approach to quantify the capability of radiation exposure reduction without diagnostic limitation.Quantitative imaging in medicine and surgery · 2022Article
- Ultra-low-dose computed tomography for torsion measurements of the lower extremities in children and adolescents.Insights into imaging · 2022Article
- Diagnostic Performance of Different Simulated Low-Dose Levels in Patients with Suspected Cervical Abscess Using a Third-Generation Dual-Source CT Scanner.Diagnostics (Basel, Switzerland) · 2020Article
- CT-pathologic correlation of non-calcified atherosclerotic arterial plaques: a study using carotid endarterectomy specimens.The British journal of radiology · 2020Article
Corrections and comments
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Authors and funding
9 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectivesThis study aimed to determine the degree of radiation dose reduction in neck CT angiography (CTA) achievable with Sinogram-affirmed iterative reconstruction (SAFIRE) algorithms.
methods10 consecutive patients scheduled for neck CTA were included in this study. CTA images of the external carotid arteries either were reconstructed with filtered back projection (FBP) at full radiation dose level or underwent simulated dose reduction by proprietary reconstruction software. The dose-reduced images were reconstructed using either SAFIRE 3 or SAFIRE 5 and compared with full-dose FBP images in terms of vessel definition. 5 observers performed a total of 3000 pairwise comparisons.
resultsSAFIRE allowed substantial radiation dose reductions in neck CTA while maintaining vessel definition. The possible levels of radiation dose reduction ranged from approximately 34 to approximately 90% and depended on the SAFIRE algorithm strength and the size of the vessel of interest. In general, larger vessels permitted higher degrees of radiation dose reduction, especially with higher SAFIRE strength levels. With small vessels, the superiority of SAFIRE 5 over SAFIRE 3 was lost.
conclusionsNeck CTA can be performed with substantially less radiation dose when SAFIRE is applied. The exact degree of radiation dose reduction should be adapted to the clinical question, in particular to the smallest vessel needing excellent definition.
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