Coronary Computed Tomography Angiography in Coronary Artery by Zhonghua Sun

By Zhonghua Sun

Coronary artery illness is the top reason behind loss of life within the built nations of the area and it truly is changing into more and more universal within the constructing international. traditional invasive coronary angiography at the moment is still the premiere for the evaluate of sufferers with recognized or suspected coronary artery affliction. boundaries of the modality contain its invasiveness, rate and time intake, with small yet great procedure-related problems. in recent times, systematic stories and meta-analyses of the diagnostic price of coronary CT angiography are more and more getting used to degree the development and techniques within the diagnostic administration of sufferers with suspected coronary artery affliction. This booklet presents an summary of the clinical tools used to go looking, examine, appraise and synthesize experiences on coronary CT angiography.

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Algorithm for radiation dose reduction with helical dual source coronary computed tomography angiography in clinical practice. J Cardiovasc Comput Tomogr 2008; 2: 311-322. Hausleiter J, Meyer T, Hadamitzky M, et al. Radiation dose estimates from cardiac multislice computed tomography in daily practice: impact of different scanning protocols on effective dose estimates. Circulation 2006; 113: 1305-1310. Sun Z, Ng KH. Multislice CT angiography in cardiac imaging. Part III: radiation dose and dose reduction.

Sun Z, Jiang W. Diagnostic value of multislice CT angiography in coronary artery disease: A meta-analysis. Eur J Radiol 2006; 60:279-286. 22 [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [20] [21] [22] [23] Zhonghua Sun Ohnesorge B, Becker C, Flohr T, Reiser MF. Multi-slice CT in cardiac imaging: technical principles, clinical application and future developments. Berlin, Germany: Springer-Verlag, 3–109, (2002). Sun Z, Lin CH, Davidson R, Dong C, Liao Y. Diagnostic value of 64-slice CT angiography in coronary artery disease: A systematic review.

Reduction of the tube voltage to 80 kV should only be considered in children and slim young adults with a BMI <20 kg/m2. 4. 4) and retrospective ECGgating, which is associated with substantial oversampling. This indicates that the same level is irradiated during several consecutive rotations of the X-ray gantry, resulting in high radiation dose [35]. A dual-source CT scanner has greater temporal resolution, so the pitch may vary automatically with the heart rate. With dual-source scanners, the pitch can be increased at higher heart rates, resulting in a faster table speed and a corresponding reduction in radiation exposure.

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