ArticleEuropean radiology2016
Comparison of Image Quality and Radiation Dose between High-Pitch Mode and Low-Pitch Mode Spiral Chest CT in Small Uncooperative Children: The Effect of Respiratory Rate.
Article in European radiology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 19 citations in OpenAlex.
- Thoracic-abdominopelvic contrast-enhanced dual-source computed tomography with a high-pitch acquisition protocol and free breathing for reducing motion artifacts and scan time in patients with cancer: a prospective study.Quantitative imaging in medicine and surgery · 2025Article
- Application effect of low-dose spiral CT on pulmonary nodules and its diagnostic value for benign and malignant nodules.American journal of translational research · 2023Article
- Chest CT features of coronavirus disease 2019 (COVID-19) pneumonia: key points for radiologists.La Radiologia medica · 2020Review
- Trends in radiation dose and image quality for pediatric patients with a multidetector CT and a third-generation dual-source dual-energy CT.La Radiologia medica · 2019Article
- Ultrafast pediatric chest computed tomography: comparison of free-breathing vs. breath-hold imaging with and without anesthesia in young children.Pediatric radiology · 2019Article
- Image quality and radiation dose of ECG-triggered High-Pitch Dual-Source cardiac computed tomography angiography in children for the evaluation of central vascular stents.The international journal of cardiovascular imaging · 2019Article
- Evaluating the effect of increased pitch, iterative reconstruction and dual source CT on dose reduction and image quality.The British journal of radiology · 2018Article
Corrections and comments
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Authors and funding
8 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectivesTo compare image quality and radiation dose between high-pitch mode (HPM) and low-pitch mode (LPM) CT in young children. MATERIALS AND
methodsForty-seven children (mean age 35.6 months; range, 0-126 months) underwent 49 CT examinations in HPM or LPM and were divided into high or low respiratory rate (RR) groups. A qualitative image quality was compared between the two modes. The volume CT dose index (CTDIvol) and dose-length product (DLP) were evaluated from the dose reports, and effective doses were assessed using a paediatric phantom.
resultsImage quality was generally better for HPM than LPM (diagnostic acceptance score, 4.00 vs. 3.46, P = 0.004); the difference was more prominent in the high RR group (4.00 vs. 3.22, P = 0.001). However, there was no significant difference in the low RR group. The mean DLP value was higher in HPM than LPM (29.48 mGy · cm vs. 23.46 mGy · cm, P = 0.022), while CTDIvol was not significantly different. The total effective radiation dose was 26 % higher in HPM than LPM (1.82 mSv vs. 1.44 mSv).
conclusionsLPM can be considered for paediatric lung evaluation in young children with low RRs to reduce radiation dose while maintaining favourable image quality. KEY POINTS: • Radiation exposure is higher on high-pitch "Flash spiral mode" than on low-pitch "X-CARE mode". • "Flash spiral mode" generally showed better image quality than "X-CARE mode". • Difference in image quality was more prominent in the high RR group. • There was no difference in image quality in the low RR group. • "X-CARE mode" should be considered in a limited population with low RRs.
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