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Prediction of aortoiliac stent-graft length: comparison of measurement methods.

Publication ,  Journal Article
Tillich, M; Hill, BB; Paik, DS; Petz, K; Napel, S; Zarins, CK; Rubin, GD
Published in: Radiology
August 2001

PURPOSE: To determine the accuracy of helical computed tomography (CT), projectional angiography derived from CT angiography, and intravascular ultrasonographic withdrawal (IUW) length measurements for predicting appropriate aortoiliac stent-graft length. MATERIALS AND METHODS: Helical CT data from 33 patients were analyzed before and after endovascular repair of abdominal aortic aneurysm (Aneuryx graft, n = 31; Excluder graft, n = 2). The aortoiliac length of the median luminal centerline (MLC) and the shortest path (SP) that remained at least one common iliac arterial radius away from the vessel wall were calculated. Conventional angiographic measurements were simulated from CT data as the length of the three-dimensional MLC projected onto four standard viewing planes. These predeployment lengths and IUW length, available in 24 patients, were compared with the aortoiliac arterial length after stent-graft deployment. RESULTS: The mean error values of SP, MLC, the maximum projected MLC, and IUW were -2.1 mm +/- 4.6 (SD) (P =.013), 9.8 mm +/- 6.8 (P <.001), -5.2 mm +/- 7.8 (P <.001), and -14.1 mm +/- 9.3 (P <.001), respectively. The preprocedural prediction of the postprocedural aortoiliac length with the SP was significantly more accurate than that with the MLC (P <.001), maximum projected MLC (P <.001), and IUW (P <.001). CONCLUSION: The shortest aortoiliac path length maintaining at least one radius distance from the vessel wall most accurately enabled stent-graft length prediction for 31 AneuRx and two Excluder stent-grafts.

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Published In

Radiology

DOI

ISSN

0033-8419

Publication Date

August 2001

Volume

220

Issue

2

Start / End Page

475 / 483

Location

United States

Related Subject Headings

  • Ultrasonography, Interventional
  • Tomography, X-Ray Computed
  • Stents
  • Nuclear Medicine & Medical Imaging
  • Middle Aged
  • Male
  • Iliac Artery
  • Humans
  • Female
  • Blood Vessel Prosthesis
 

Citation

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Tillich, M., Hill, B. B., Paik, D. S., Petz, K., Napel, S., Zarins, C. K., & Rubin, G. D. (2001). Prediction of aortoiliac stent-graft length: comparison of measurement methods. Radiology, 220(2), 475–483. https://doi.org/10.1148/radiology.220.2.r01au21475
Tillich, M., B. B. Hill, D. S. Paik, K. Petz, S. Napel, C. K. Zarins, and G. D. Rubin. “Prediction of aortoiliac stent-graft length: comparison of measurement methods.Radiology 220, no. 2 (August 2001): 475–83. https://doi.org/10.1148/radiology.220.2.r01au21475.
Tillich M, Hill BB, Paik DS, Petz K, Napel S, Zarins CK, et al. Prediction of aortoiliac stent-graft length: comparison of measurement methods. Radiology. 2001 Aug;220(2):475–83.
Tillich, M., et al. “Prediction of aortoiliac stent-graft length: comparison of measurement methods.Radiology, vol. 220, no. 2, Aug. 2001, pp. 475–83. Pubmed, doi:10.1148/radiology.220.2.r01au21475.
Tillich M, Hill BB, Paik DS, Petz K, Napel S, Zarins CK, Rubin GD. Prediction of aortoiliac stent-graft length: comparison of measurement methods. Radiology. 2001 Aug;220(2):475–483.
Journal cover image

Published In

Radiology

DOI

ISSN

0033-8419

Publication Date

August 2001

Volume

220

Issue

2

Start / End Page

475 / 483

Location

United States

Related Subject Headings

  • Ultrasonography, Interventional
  • Tomography, X-Ray Computed
  • Stents
  • Nuclear Medicine & Medical Imaging
  • Middle Aged
  • Male
  • Iliac Artery
  • Humans
  • Female
  • Blood Vessel Prosthesis