ArticleThe British journal of radiology2014
Using "iDose4" iterative reconstruction algorithm in adults' chest-abdomen-pelvis CT examinations: effect on image quality in relation to patient radiation exposure.
Article in The British journal of radiology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers.
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29 citing papers in PubMed.
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- CT target scanning in the diagnosis of solid pseudopapillary tumor of the pancreas.BMC medical imaging · 2023Article
- Comparison of Image Quality and Quantification Parameters between Q.Clear and OSEM Reconstruction Methods on FDG-PET/CT Images in Patients with Metastatic Breast Cancer.Journal of imaging · 2023Article
- Can optimized model-based iterative reconstruction improve the contrast of liver lesions in CT?Acta radiologica (Stockholm, Sweden : 1987) · 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
- Noise reduction profile: A new method for evaluation of noise reduction techniques in CT.Medical physics · 2022Article
- Finding the optimal tube current and iterative reconstruction strength in liver imaging; two needles in one haystack.PloS one · 2022Article
- Fully automated image quality evaluation on patient CT: Multi-vendor and multi-reconstruction study.PloS one · 2022Article
- Iodine doping of a photocuring, one-component embedding medium for µCT and histology.The British journal of radiology · 2021Article
- A questionnaire-based assessment of Safe Eye Examination (SEE) technique.Indian journal of ophthalmology · 2021Article
- An audit of radiation doses received by paediatric patients undergoing computed tomography investigations at academic hospitals in South Africa.SA journal of radiology · 2020Article
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Abstract
objectiveThe aim of this study is to examine the effect of iDose4 hybrid iterative reconstruction algorithm (Philips Healthcare, Cleveland, OH) on radiation dose and image quality in chest–abdomen–pelvis (CAP) CT scanning of adult patients.
methodsCAP CT examinations were performed on 99 patients with the use of the “old standard” protocol performing filtered back projection reconstruction algorithm (FBP protocol) and on 84 patients with the use of iDose4 protocol on a 64-multidetector CT. Patients were subdivided into three weight groups (Group 1, 41–60kg; Group 2, 61–90kg; and Group 3, .90kg). Volume CT dose index and dose length product (DLP) were recorded, while effective dose was calculated from DLP measurements. Objective image noise, signal-to-noise ratio and contrast-to-noise ratio were calculated. Two radiologists reviewed images to evaluate image quality.
resultsCompared with the FBP protocol, there was an overall 46.5% significant decrease in effective dose with the use of iDose4 protocol.
conclusionObjective image quality was higher in iDose4 images than in FBP images. Subjective image noise, sharpness, contrast and diagnostic confidence scores tended to be better for iDose4 protocol at the decreased radiation exposure level. Artefacts were minor for both protocols. ADVANCES IN KNOWLEDGE: Our results suggest that the iterative acquisition protocol provides great potential for reducing radiation exposure and maintaining or improving image quality in CAP CT examinations.
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