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MDCT of Right Ventricular Function: Comparison of Right Ventricular Ejection Fraction Estimation and Equilibrium Radionuclide Ventriculography, Part 1

Damien Delhaye1, Martine Remy-Jardin1, Antoine Teisseire1, Claude Hossein-Foucher2, Sylvie Leroy3, Alain Duhamel4 and Jacques Remy1

1 Department of Thoracic Imaging, Hospital Calmette, University Center of Lille, Blvd. Jules Leclerc, 59037 Lille, France.
2 Department of Nuclear Medicine, Hospital Roger Salengro, 59037 Lille, France.
3 Department of Pulmonology, Hospital Calmette, University Center of Lille, 59037 Lille, France.
4 Department of Medical Statistics, Hospital Calmette, University Center of Lille, 59037 Lille, France.


Figure 1
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  		Fig. 1A —52-year-old woman with chronic obstructive pulmonary disease. Reconstruction of short-axis ECG-gated CT angiographic images of cardiac cavities. Diastolic reconstructed transverse image.

 

Figure 2
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  		Fig. 1B —52-year-old woman with chronic obstructive pulmonary disease. Reconstruction of short-axis ECG-gated CT angiographic images of cardiac cavities. Multiplanar reconstruction of A in short-axis orientation.

 

Figure 3
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  		Fig. 1C —52-year-old woman with chronic obstructive pulmonary disease. Reconstruction of short-axis ECG-gated CT angiographic images of cardiac cavities. Systolic reconstructed transverse image.

 

Figure 4
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  		Fig. 1D —52-year-old woman with chronic obstructive pulmonary disease. Reconstruction of short-axis ECG-gated CT angiographic images of cardiac cavities. Multiplanar reconstruction of C in short-axis orientation.

 

Figure 5
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  		Fig. 2A —69-year-old man with bronchopulmonary carcinoma treated by chemotherapy with resulting cardiac toxity. Analysis of level of enhancement of ECG-gated CT angiographic images of right ventricular cavity. Overall attenuation value within right ventricle was measured after positioning of region of interest (outline) over almost entire right ventricular surface.

 

Figure 6
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  		Fig. 2B —69-year-old man with bronchopulmonary carcinoma treated by chemotherapy with resulting cardiac toxity. Analysis of level of enhancement of ECG-gated CT angiographic images of right ventricular cavity. Search for gradient of attenuation from top to bottom of right ventricle was evaluated with measurements obtained in upper, middle, and lower thirds (circles) of right ventricle.

 

Figure 7
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  		Fig. 3A —49-year-old woman with acute pulmonary embolism. ECG-gated CT angiographic images show segmentation of right ventricular cavity. Endocardial borders of systolic multiplanar reconstruction traced manually.

 

Figure 8
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  		Fig. 3B —49-year-old woman with acute pulmonary embolism. ECG-gated CT angiographic images show segmentation of right ventricular cavity. Endocardial borders of systolic multiplanar reconstruction traced manually.

 

Figure 9
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  		Fig. 3C —49-year-old woman with acute pulmonary embolism. ECG-gated CT angiographic images show segmentation of right ventricular cavity. Endocardial borders of systolic multiplanar reconstruction traced manually.

 

Figure 10
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  		Fig. 3D —49-year-old woman with acute pulmonary embolism. ECG-gated CT angiographic images show segmentation of right ventricular cavity. Endocardial borders of systolic multiplanar reconstruction traced manually.

 

Figure 11
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  		Fig. 3E —49-year-old woman with acute pulmonary embolism. ECG-gated CT angiographic images show segmentation of right ventricular cavity. Diastolic multiplanar reconstruction traced manually.

 

Figure 12
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  		Fig. 3F —49-year-old woman with acute pulmonary embolism. ECG-gated CT angiographic images show segmentation of right ventricular cavity. Diastolic multiplanar reconstruction traced manually.

 

Figure 13
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  		Fig. 3G —49-year-old woman with acute pulmonary embolism. ECG-gated CT angiographic images show segmentation of right ventricular cavity. Diastolic multiplanar reconstruction traced manually.

 

Figure 14
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  		Fig. 3H —49-year-old woman with acute pulmonary embolism. ECG-gated CT angiographic images show segmentation of right ventricular cavity. Diastolic multiplanar reconstruction traced manually.

 

Figure 15
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  		Fig. 4 —Plot of difference between MDCT and equilibrium scintigraphy measurements of right ventricular ejection fraction against their means. Thin line represents mean difference. Solid lines represent 95% CIs for mean difference.

 

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