The acceptability of iterative reconstruction algorithms in head CT: An assessment of sinogram affirmed iterative reconstruction (SAFIRE) vs. filtered back projection (FBP) using phantoms

Journal article


Harris, Matine, Huckle, John, Anthony, Denis and Charnock, Paul 2017. The acceptability of iterative reconstruction algorithms in head CT: An assessment of sinogram affirmed iterative reconstruction (SAFIRE) vs. filtered back projection (FBP) using phantoms. Journal of Medical Imaging and Radiation Sciences. https://doi.org/10.1016/j.jmir.2017.04.002
AuthorsHarris, Matine, Huckle, John, Anthony, Denis and Charnock, Paul
Abstract

Computed tomography (CT) is the primary imaging investigation for many neurologic conditions with a proportion of patients incurring cumulative doses. Iterative reconstruction (IR) allows dose optimization, but head CT presents unique image quality complexities and may lead to strong reader preferences. OBJECTIVES: This study evaluates the relationships between image quality metrics, image texture, and applied radiation dose within the context of IR head CT protocol optimization in the simulated patient setting. A secondary objective was to determine the influence of optimized protocols on diagnostic confidence using a custom phantom. METHODS AND SETTING: A three-phase phantom study was performed to characterize reconstruction methods at the local reference standard and a range of exposures. CT numbers and pixel noise were quantified supplemented by noise uniformity, noise power spectrum, contrast-to-noise ratio (CNR), high- and low-contrast resolution. Reviewers scored optimized protocol images based on established reporting criteria. RESULTS: Increasing strengths of IR resulted in lower pixel noise, lower noise variance, and increased CNR. At the reference standard, the image noise was reduced by 1.5 standard deviation and CNR increased by 2.0. Image quality was maintained at </=24% relative dose reduction. With the exception of image sharpness, there were no significant differences between grading for IR and filtered back projection reconstructions. CONCLUSIONS: IR has the potential to influence pixel noise, CNR, and noise variance (image texture); however, systematically optimized IR protocols can maintain the image quality of filtered back projection. This work has guided local application and acceptance of lower dose head CT protocols.

KeywordsComputed tomography; Iterative reconstruction; phantom study
Year2017
JournalJournal of Medical Imaging and Radiation Sciences
PublisherElsevier
ISSN19398654
18767982
Digital Object Identifier (DOI)https://doi.org/10.1016/j.jmir.2017.04.002
Web address (URL)http://hdl.handle.net/10545/623976
http://creativecommons.org/publicdomain/zero/1.0/
hdl:10545/623976
Publication dates31 May 2017
Publication process dates
Deposited05 Jul 2019, 14:42
Accepted2017
Rights

CC0 1.0 Universal

ContributorsUniversity of Leeds
File
File Access Level
Open
File
File Access Level
Open
File
File Access Level
Open
Permalink -

https://repository.derby.ac.uk/item/94270/the-acceptability-of-iterative-reconstruction-algorithms-in-head-ct-an-assessment-of-sinogram-affirmed-iterative-reconstruction-safire-vs-filtered-back-projection-fbp-using-phantoms

Download files

  • 47
    total views
  • 29
    total downloads
  • 2
    views this month
  • 2
    downloads this month

Export as

Related outputs

Metabolic syndrome among type 2 diabetic patients in Sub-Saharan African countries: A systematic review and meta-analysis.
Shiferaw, Wondimeneh Shibabaw, Akalu, Tadesse Yirga, Gedefaw, Mihretie, Anthony, Denis, Kassie, Ayelign Mengesha, Misganaw Kebede, Worku, Mulugeta, Henok, Dessie, Getenet and Aynalem, Yared Asmare 2020. Metabolic syndrome among type 2 diabetic patients in Sub-Saharan African countries: A systematic review and meta-analysis. Diabetes & metabolic syndrome: Clinical Research & Reviews. 14 (5), pp. 1403-1411. https://doi.org/10.1016/j.dsx.2020.07.013
Prevalence of pressure ulcers in Africa: A systematic review and meta-analysis
Anthony, Denis, Alosaimi, Dalyal, Korsah, Kwadwo, Safari, Reza and Shiferaw, Wondimeneh Shibabaw 2021. Prevalence of pressure ulcers in Africa: A systematic review and meta-analysis. Journal of Tissue Viability. https://doi.org/10.1016/j.jtv.2020.10.003
Development of NURSE education in Saudi Arabia, Jordan and Ghana: From undergraduate to doctoral programmes
Anthony, Denis, Alosaimi, Dalyal, Dyson, Sue E., Saleh, Mohammad and Korsah, Kwadwo 2020. Development of NURSE education in Saudi Arabia, Jordan and Ghana: From undergraduate to doctoral programmes. Nurse Education in Practice. https://doi.org/10.1016/j.nepr.2020.102857
Nurses' knowledge and practice of pressure ulcer prevention and treatment: an observational study
Saleh, Mohammad, Papanikolaou, Panos, Nassar, Omayyah, Shaheen, Abeer and Anthony, Denis 2019. Nurses' knowledge and practice of pressure ulcer prevention and treatment: an observational study. Journal of Tissue Viability. https://doi.org/10.1016/j.jtv.2019.10.005
Online research in health
Anthony, Denis 2019. Online research in health. in: Sage.
Prevalence of pressure ulcers in long term care: A global review.
Anthony, Denis, Alosoumi, Dalyal and Safari, Reza 2019. Prevalence of pressure ulcers in long term care: A global review. Journal of Wound Care. https://doi.org/10.12968/jowc.2019.28.11.702
Evaluating clinical placements in Saudi Arabia with the CLES+T scale
Anthony, Denis, Al-Anazi, Norah, Alosaimi, Dalyal, Pandaan, Isabelita and Dyson, Sue E. 2019. Evaluating clinical placements in Saudi Arabia with the CLES+T scale. Nurse Education in Practice. https://doi.org/10.1016/j.nepr.2019.07.004
Reducing avoidable pressure ulcers.
Anthony, Denis, HODGSON, Heather and HORNER, Joanna 2017. Reducing avoidable pressure ulcers. Wounds UK..
Successful up-scaled population interventions to reduce risk factors for non-communicable disease in adults: results from the International Community Interventions for Health (CIH) Project in China, India and Mexico.
Dyson, Pamela A, Anthony, Denis, Fenton, Brenda, Stevens, Denise E, Champagne, Beatriz, Li, Li-Ming, Lv, Jun, Ramírez Hernández, Jorge, Thankappan, K R and Matthews, David R 2015. Successful up-scaled population interventions to reduce risk factors for non-communicable disease in adults: results from the International Community Interventions for Health (CIH) Project in China, India and Mexico. PLos ONE. https://doi.org/10.1371/journal.pone.0120941
An exploratory study to identify risk factors for the development of capecitabine-induced Palmar Plantar Erythrodysesthesia (PPE)
Law, Annie, Dyson, Sue E. and Anthony, Denis 2015. An exploratory study to identify risk factors for the development of capecitabine-induced Palmar Plantar Erythrodysesthesia (PPE). Journal of Advanced Nursing.. https://doi.org/10.1111/jan.12639
Reducing health risk factors in workplaces of low and middle-income countries.
Anthony, Denis, Dyson, Pamela A., Lv, Jun, Thankappan, Kavumpurathu R. and Matthews, David R. 2015. Reducing health risk factors in workplaces of low and middle-income countries. Public Health Nursing.. https://doi.org/10.1111/phn.12189
Community Interventions for Health can support clinicians in advising patients to reduce tobacco use, improve dietary intake and increase physical activity.
Anthony, Denis, Dyson, Pamela A, Lv, Jun, Thankappan, Kavumpurathu Raman, Champgane, Beatriz and Matthews, David R 2016. Community Interventions for Health can support clinicians in advising patients to reduce tobacco use, improve dietary intake and increase physical activity. Journal of Clinical Nursing. https://doi.org/10.1111/jocn.13323
Conflict management styles used by nurses in Jordan
Al-Hamdan, Zaid, Norrie, Peter and Anthony, Denis 2014. Conflict management styles used by nurses in Jordan. Journal of Research in Nursing. https://doi.org/10.1177/1744987112466085
A comparison of the performance of the Braden Q and the Glamorgan paediatric pressure ulcer risk assessment scales in general and intensive care paediatric and neonatal units.
Willock, Jane, Habiballah, Laila, Long, Deborah, Palmer, Kelli and Anthony, Denis 2016. A comparison of the performance of the Braden Q and the Glamorgan paediatric pressure ulcer risk assessment scales in general and intensive care paediatric and neonatal units. Journal of Tissue Viability. https://doi.org/10.1016/j.jtv.2016.03.001
Community Interventions for Health (CIH): A monograph
Dyson,Pamela and Anthony, Denis 2015. Community Interventions for Health (CIH): A monograph. Oxford Health Alliance.
Increased knowledge of the effects of smoking and second-hand smoke encourages smoke-free homes.
Fenton, Brenda, Thankappan, Kavumpurathu Raman, Champagne, Beatriz, Lv, Jun and Anthony, Denis 2014. Increased knowledge of the effects of smoking and second-hand smoke encourages smoke-free homes. Journal of Research in Nursing. https://doi.org/10.1177/1744987114525963
Alcohol health literacy in young adults with Type 1 diabetes and its impact on diabetes management.
Barnard, K. D., Dyson, P., Sinclair, J. M. A., Lawton, J., Anthony, Denis, Cranston, M. and Holt, R. I. G. 2014. Alcohol health literacy in young adults with Type 1 diabetes and its impact on diabetes management. Diabetic Medicine. https://doi.org/10.1111/dme.12491
An exploratory study to identify risk factors for the development of capecitabine-induced palmar plantar erythrodysesthesia (PPE).
Law, Annie, Dyson, Sue E. and Anthony, Denis 2015. An exploratory study to identify risk factors for the development of capecitabine-induced palmar plantar erythrodysesthesia (PPE). Journal of Advanced Nursing.. https://doi.org/10.1111/jan.12639
Digital interventions to promote self-management in people with osteoarthritis: systematic review and meta-analysis - Study protocol
Safari, Reza, Jackson, Jessica, Dhadda, Buk, Watkins, Merryl, Sheffield, David, Anthony, Denis and Ward, Derek 2018. Digital interventions to promote self-management in people with osteoarthritis: systematic review and meta-analysis - Study protocol. National Health Service (NHS).