CT Virtual Intravascular Endoscopy of Abdominal Aortic Aneurysms Treated With Suprarenal Endovascular Stent Grafting

Z Sun, John Winder, BE Kelly, PK Ellis, DG Hirst

    Research output: Contribution to journalArticle

    58 Citations (Scopus)

    Abstract

    Background: We investigated the clinical applications of virtual intravascular endoscopy (VIE) in patients with abdominal aortic aneurysms (AAA) treated by endovascular stent grafting with a suprarenal component. Methods: Thirty-four patients with AAA undergoing endovascular stent grafting were included in the study (28 male, six female; mean age = 76 years). Helical computed tomography (CT) scanning was performed within I week after stent graft implantation. All patients received a Zenith/AAA endovascular graft with uncovered suprarenal struts 2.5 cm long placed around the level of the renal arteries. VIE images were created for each patient. The follow-up periods ranged from 3 to 18 months (mean = 8.3 +/- 3.7 months). Results: Three of 34 celiac arteries, 22 of 34 superior mesenteric arteries, 32 of 34 right renal arteries, and 30 of 35 left renal arteries were affected by the suprarenal stent struts (wires) to different extents. VIE was able to demonstrate the struts, arterial ostia, and the strut/ostia configuration. Follow-up CT showed that all of these aortic branches were patent. Conclusion: Our preliminary experience has demonstrated that VIE is a novel imaging technique to visualize the three-dimensional intralumenal relationship of the aortic stent struts to the arterial ostia in patients with AAA after suprarenal stent graft placement.
    LanguageEnglish
    Pages580-587
    JournalAbdominal Imaging
    Volume28
    Issue number4
    DOIs
    Publication statusPublished - Jul 2003

    Fingerprint

    Abdominal Aortic Aneurysm
    Endoscopy
    Stents
    Tomography
    Renal Artery
    Transplants
    Celiac Artery
    Superior Mesenteric Artery
    Spiral Computed Tomography

    Keywords

    • aneurysm
    • stent
    • computed tomography
    • virtual endoscopy

    Cite this

    Sun, Z ; Winder, John ; Kelly, BE ; Ellis, PK ; Hirst, DG. / CT Virtual Intravascular Endoscopy of Abdominal Aortic Aneurysms Treated With Suprarenal Endovascular Stent Grafting. In: Abdominal Imaging. 2003 ; Vol. 28, No. 4. pp. 580-587.
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    abstract = "Background: We investigated the clinical applications of virtual intravascular endoscopy (VIE) in patients with abdominal aortic aneurysms (AAA) treated by endovascular stent grafting with a suprarenal component. Methods: Thirty-four patients with AAA undergoing endovascular stent grafting were included in the study (28 male, six female; mean age = 76 years). Helical computed tomography (CT) scanning was performed within I week after stent graft implantation. All patients received a Zenith/AAA endovascular graft with uncovered suprarenal struts 2.5 cm long placed around the level of the renal arteries. VIE images were created for each patient. The follow-up periods ranged from 3 to 18 months (mean = 8.3 +/- 3.7 months). Results: Three of 34 celiac arteries, 22 of 34 superior mesenteric arteries, 32 of 34 right renal arteries, and 30 of 35 left renal arteries were affected by the suprarenal stent struts (wires) to different extents. VIE was able to demonstrate the struts, arterial ostia, and the strut/ostia configuration. Follow-up CT showed that all of these aortic branches were patent. Conclusion: Our preliminary experience has demonstrated that VIE is a novel imaging technique to visualize the three-dimensional intralumenal relationship of the aortic stent struts to the arterial ostia in patients with AAA after suprarenal stent graft placement.",
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    CT Virtual Intravascular Endoscopy of Abdominal Aortic Aneurysms Treated With Suprarenal Endovascular Stent Grafting. / Sun, Z; Winder, John; Kelly, BE; Ellis, PK; Hirst, DG.

    In: Abdominal Imaging, Vol. 28, No. 4, 07.2003, p. 580-587.

    Research output: Contribution to journalArticle

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    AB - Background: We investigated the clinical applications of virtual intravascular endoscopy (VIE) in patients with abdominal aortic aneurysms (AAA) treated by endovascular stent grafting with a suprarenal component. Methods: Thirty-four patients with AAA undergoing endovascular stent grafting were included in the study (28 male, six female; mean age = 76 years). Helical computed tomography (CT) scanning was performed within I week after stent graft implantation. All patients received a Zenith/AAA endovascular graft with uncovered suprarenal struts 2.5 cm long placed around the level of the renal arteries. VIE images were created for each patient. The follow-up periods ranged from 3 to 18 months (mean = 8.3 +/- 3.7 months). Results: Three of 34 celiac arteries, 22 of 34 superior mesenteric arteries, 32 of 34 right renal arteries, and 30 of 35 left renal arteries were affected by the suprarenal stent struts (wires) to different extents. VIE was able to demonstrate the struts, arterial ostia, and the strut/ostia configuration. Follow-up CT showed that all of these aortic branches were patent. Conclusion: Our preliminary experience has demonstrated that VIE is a novel imaging technique to visualize the three-dimensional intralumenal relationship of the aortic stent struts to the arterial ostia in patients with AAA after suprarenal stent graft placement.

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