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    Coronary computed tomography angiography with prospective electrocardiography triggering: a systematic review of image quality and radiation dose

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    Authors
    Sabarudin, Akmal
    Sun, Zhonghua
    Ng, Kwan-Hoong
    Date
    2013
    Type
    Journal Article
    
    Metadata
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    Citation
    Sabarudin, Akmal and Sun, Zhonghua and Ng, Kwan-Hoong. 2013. Coronary computed tomography angiography with prospective electrocardiography triggering: a systematic review of image quality and radiation dose. Singapore Medical Journal. 54 (1): pp. 15-23.
    Source Title
    Singapore Medical Journal
    ISSN
    0037-5675
    URI
    http://hdl.handle.net/20.500.11937/44257
    Collection
    • Curtin Research Publications
    Abstract

    The purpose of this study was to perform a systematic review of the diagnostic accuracy, image quality and radiation dose of prospective electrocardiography (ECG)-triggered coronary computed tomography angiography (CCTA).We searched databases containing studies of CCTA that used prospective ECG-triggering between 2008 and 2011. The effective dose and image quality reported in each study were analysed and compared between the types of multislice CT scanners. We identified 23 studies through this search, with mean assessable coronary segments and effective dose at 96.8% (95% confidence level [CI] 83%, 100%) and 3.6 mSv (95% CI 2.9, 4.3 mSv), respectively. Both quantitative and qualitative assessments of image quality indicated that image quality was achieved in studies using prospective ECG-triggered CCTA, regardless of the type of CT scanners. The pooled estimates of diagnostic values were more than90% for patient-, vessel- and segment-based assessments. Prospective ECG-triggered CCTA results in high diagnostic accuracy and image quality, with a significantly low radiation dose.

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    • Coronary CT angiography : radiation dose measurements and image quality assessments
      Sabarudin, Akmal (2012)
      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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