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    Comprehensive assessment of patient image quality and radiation dose in latest generation cardiac x-ray equipment for percutaneous coronary interventions

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    Publication date
    2017
    Author
    Gislason-Lee, Amber J.
    Keeble, C.
    Egleston, D.
    Bexon, J.
    Kenyelics, S.M.
    Davies, A.G.
    Keyword
    Radiation dose
    Image quality
    X-ray imaging
    Percutaneous coronary interventions
    Observer study
    Rights
    Copyright 2017 Society of Photo‑Optical Instrumentation Engineers (SPIE). One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this publication for a fee or for commercial purposes, and modification of the contents of the publication are prohibited.
    Peer-Reviewed
    Yes
    
    Metadata
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    Abstract
    This study aimed to determine whether a reduction in radiation dose was found for percutaneous coronary interventional (PCI) patients using a cardiac interventional x-ray system with state-of-the-art image enhancement and x-ray optimization, compared to the current generation x-ray system, and to determine the corresponding impact on clinical image quality. Patient procedure dose area product (DAP) and fluoroscopy duration of 131 PCI patient cases from each x-ray system were compared using a Wilcoxon test on median values. Significant reductions in patient dose (p ≪ 0.001) were found for the new system with no significant change in fluoroscopy duration (p ¼ 0.2); procedure DAP reduced by 64%, fluoroscopy DAP by 51%, and “cine” acquisition DAP by 76%. The image quality of 15 patient angiograms from each x-ray system (30 total) was scored by 75 clinical professionals on a continuous scale for the ability to determine the presence and severity of stenotic lesions; image quality scores were analyzed using a two-sample t -test. Image quality was reduced by 9% (p ≪ 0.01) for the new x-ray system. This demonstrates a substantial reduction in patient dose, from acquisition more than fluoroscopy imaging, with slightly reduced image quality, for the new x-ray system compared to the current generation system.
    URI
    http://hdl.handle.net/10454/16957
    Version
    Published version
    Citation
    Gislason-Lee AJ, Keeble C, Egleston D et al (2017) Comprehensive assessment of patient image quality and radiation dose in latest generation cardiac x-ray equipment for percutaneous coronary interventions. Journal of Medical Imaging. 4(20): 025501.
    Link to publisher’s version
    https://doi.org/10.1117/1.JMI.4.2.025501
    Type
    Article
    Collections
    Health Studies Publications

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