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Color-flow duplex ultrasound scan versus computed tomographic scan in the surveillance of endovascular aneurysm repair  Kathleen G Raman, MD, MPH, Nita.

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Presentation on theme: "Color-flow duplex ultrasound scan versus computed tomographic scan in the surveillance of endovascular aneurysm repair  Kathleen G Raman, MD, MPH, Nita."— Presentation transcript:

1 Color-flow duplex ultrasound scan versus computed tomographic scan in the surveillance of endovascular aneurysm repair  Kathleen G Raman, MD, MPH, Nita Missig-Carroll, RN BSN, Tracey Richardson, RVT, Satish C Muluk, MD, Michel S Makaroun, MD  Journal of Vascular Surgery  Volume 38, Issue 4, Pages (October 2003) DOI: /S (03)

2 Fig 1 Example of proximal type I endoleak as depicted with A. Color duplex ultrasound scanning (yellow arrow). (B) CT scan (yellow arrow). Journal of Vascular Surgery  , DOI: ( /S (03) )

3 Fig 2 Example of type II endoleak originating from lumbar artery as depicted with A. Color duplex ultrasound scanning (yellow arrow). (B) CT scan (yellow arrow). Journal of Vascular Surgery  , DOI: ( /S (03) )

4 Fig 3 Correlation between postoperative CT and CDU (n = 494 pairs) for measurement of transverse aneurysm diameter (minor axis). Pearson correlation coefficient used to determine coefficient (r, +.93; P < .001). In 70% of the scans, diameter measurements differed by less than 5 mm. Journal of Vascular Surgery  , DOI: ( /S (03) )

5 Fig 4 Bland Altman plot of postoperative CT and CDU measurement of aneurysm size. The mean difference between CT and CDU measurements plotted against mean aneurysm diameter. The limits of agreement (−.93 to .93) represent the range within which 95% of the differences would be expected to occur, and were calculated as the mean difference ± 1.96 times the SD of the differences. Journal of Vascular Surgery  , DOI: ( /S (03) )

6 Fig 5 Comparison between CT and CDU for serial examinations of AAA size after EVAR (n = 148 pairs). Each point on plot represents the difference between two consecutive measures separated by 6 to 12 months. Pearson correlation coefficient used to determine coefficient (r, +.65; P < .001). Journal of Vascular Surgery  , DOI: ( /S (03) )

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