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    Coronary CT angiography with prospective ECG-triggering: An effective alternative to invasive coronary angiography

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    Fulltext not available
    Authors
    Sun, Zhonghua
    Date
    2012
    Type
    Journal Article
    
    Metadata
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    Citation
    Sun, Zhonghua. 2012. Coronary CT angiography with prospective ECG-triggering: An effective alternative to invasive coronary angiography. Cardiovasular Diagnosis and Therapy 2: pp. 28-37.
    Source Title
    Cardiovasular Diagnosis and Therapy
    DOI
    10.3978/j.issn.2223-3652.2012.02.04
    ISSN
    2223-3660
    URI
    http://hdl.handle.net/20.500.11937/46228
    Collection
    • Curtin Research Publications
    Abstract

    Despite the tremendous contributions of coronary CT angiography to coronary artery disease, radiation dose associated with coronary CT angiography has raised serious concerns in the literature, as the risk of developing radiation-induced malignancy is not negligible. Various dose-saving strategies have been implemented, with some of the strategies resulting in significant dose reduction. Of these strategies, prospective ECG-triggering is one of the most effective techniques with resultant effective radiation dose similar to or even lower than that of invasive coronary angiography. Prospective ECG-triggered coronary CT angiography has been reported to have high diagnostic accuracy in the diagnosis of coronary artery disease with image quality comparable to that of retrospective ECG-gating, but with significantly reduced radiation dose. Successful performance of prospective ECG-triggering is determined by strict exclusion criteria and careful patient preparation. The aim of this article is to provide an overview of the diagnostic applications of coronary CT angiography with prospective ECG-triggering with focus on radiation dose reduction. Radiation dose measurements are discussed with aim of allowing accurate dose estimation. Diagnostic value of prospective ECG-triggered coronary CT angiography in patients with different heart rate is discussed. Finally, current status and future directions are highlighted.

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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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