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MDCT Angiography of the Pulmonary Arteries: Influence of Body Weight, Body Mass Index, and Scan Length on Arterial Enhancement at Different Iodine Flow Rates

Helmut Schoellnast1, Hannes A. Deutschmann1, Andrea Berghold2, Gerald A. Fritz1, Gottfried J. Schaffler1 and Manfred Tillich3

1 Department of Radiology, Medical University Graz, 8036 Graz, Austria.
2 Institute for Medical Informatics, Statistics and Documentation, Medical University Graz, 8036 Graz, Austria.
3 Diagnostikum Graz Sued West, Weblinger Guertel 25, 8054 Graz, Austria.


Figure 1
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  		Fig. 1A —Correlation between body weight and pulmonary arterial attenuation. Group A; r = -0.35, p < 0.01.

 

Figure 2
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  		Fig. 1B —Correlation between body weight and pulmonary arterial attenuation. Group B; r = -0.48, p < 0.001.

 

Figure 3
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  		Fig. 2A —Correlation between body mass index and pulmonary arterial attenuation. Group A; r = -0.26, p < 0.05.

 

Figure 4
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  		Fig. 2B —Correlation between body mass index and pulmonary arterial attenuation. Group B; r = -0.40, p < 0.01.

 

Figure 5
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  		Fig. 3A —Correlation between iodine dose per body weight and pulmonary arterial attenuation. Group A.

 

Figure 6
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  		Fig. 3B —Correlation between iodine dose per body weight and pulmonary arterial attenuation. Group B.

 

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