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    Radiation dose in coronary CT angiography associated with prospective ECG-triggering technique: Comparisons with different CT generations

    193306_193306.pdf (231.0Kb)
    Access Status
    Open access
    Authors
    Sabarudin, A.
    Sun, Zhonghua
    Ng, K.
    Date
    2013
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Sabarudin, Akmal and Sun, Zhonghua and Ng, Kwan-Hoong. 2013. Radiation dose in coronary CT angiography associated with prospective ECG-triggering technique: Comparisons with different CT generations. Radiation Protection Dosimetry. 154 (3): pp. 301-307.
    Source Title
    Radiation protection dosimetry
    DOI
    10.1093/rpd/ncs243
    ISSN
    1742-3406
    Remarks

    This is a pre-copyedited, author-produced PDF of an article accepted for publication in Radiation Protection Dosimetry following peer review. The version of record Sabarudin, Akmal and Sun, Zhonghua and Ng, Kwan-Hoong. 2013. Radiation dose in coronary CT angiography associated with prospective ECG-triggering technique: Comparisons with different CT generations. Radiation Protection Dosimetry. 154 (3): pp. 301-307, is available online at: http://doi.org/10.1093/rpd/ncs243

    URI
    http://hdl.handle.net/20.500.11937/7507
    Collection
    • Curtin Research Publications
    Abstract

    A retrospective analysis was performed in patients undergoing prospective ECG-triggered coronary computed tomography (CT) angiography (CCTA) with the single-source 64-slice CT (SSCT), dual-source 64-slice CT (DSCT), dual-source 128-slice CT and 320-slice CT with the aim of comparing the radiation dose associated with different CT generations. A total of 164 patients undergoing prospective ECG-triggered CCTA with different types of CT scanners were studied with the mean effective doses estimated at 6.8±3.2, 4.2±1.9, 4.1±0.6 and 3.8±1.4 mSv corresponding to the 128-slice DSCT, 64-slice DSCT, 64-slice SSCT and 320-slice CT scanners. In this study a positive relationship was found between the effective dose and the body mass index (BMI). A low radiation dose is achieved in prospective ECG-triggered CCTA, regardless of the CT scanner generation. BMI is identified as the major factor that has a direct impact on the effective dose associated with prospective ECG-triggered CCTA.

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    • Coronary CT angiography : radiation dose measurements and image quality assessments
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      Prospective ECG-triggering is regarded as one of the most effective approaches for reduction of radiation dose to patients during coronary CT angiography (CCTA). This study was conducted to investigate the diagnostic ...
    • Coronary CT angiography with single-source and dual-source CT: Comparison of image quality and radiation dose between prospective ECG-triggered and retrospective ECG-gated protocols
      Sabarudin, Akmal; Sun, Zhonghua; Yusof, A. (2013)
      Background This study is conducted to investigate and compare image quality and radiation dose between prospective ECG-triggered and retrospective ECG-gated coronary CT angiography (CCTA) with the use of single-source CT ...
    • Recent Update on Radiation Dose Assessment for the State-of-the-Art Coronary Computed Tomography Angiography Protocols
      Tan, S.; Yeong, C.; Ng, K.; Abdul Aziz, Y.; Sun, Zhonghua (2016)
      Objectives: This study aimed to measure the absorbed doses in selected organs for prospectively ECG-triggered coronary computed tomography angiography (CCTA) using five different generations CT scanners in a female adult ...
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