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 transcript:

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 645-651 (October 2003) DOI: 10.1016/S0741-5214(03)00909-1

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 2003 38, 645-651DOI: (10.1016/S0741-5214(03)00909-1)

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 2003 38, 645-651DOI: (10.1016/S0741-5214(03)00909-1)

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 2003 38, 645-651DOI: (10.1016/S0741-5214(03)00909-1)

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 2003 38, 645-651DOI: (10.1016/S0741-5214(03)00909-1)

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 2003 38, 645-651DOI: (10.1016/S0741-5214(03)00909-1)