OBJECTIVE: Accurate measurements of abdominal aortic aneurysms (AAAs) are required for surgical planning and monitoring over time. We have examined the feasibility of using a three-dimensional (3-D) ultrasound imaging system to derive quantitative measurements of interest from AAAs. METHODS: A normal aorta, a small AAA, and an AAA repaired with an endovascular stent graft were scanned with a 3-D ultrasound imaging system. For each case, a 3-D surface reconstruction was generated from manual outlines of a sequence of two-dimensional ultrasound images, registered in 3-D space with a magnetic tracking system. The surfaces were resampled in planes perpendicular to the vessel center axis to calculate cross-sectional area and maximum diameter as a function of distance along the length of the aorta. RESULTS: Cross-sectional area and maximum diameter were plotted along the length of the aneurysmal aortas from the renal arteries to the aortic bifurcation. The overall maximum diameter was found for both aneurysms. For the small AAA, the distances of the aneurysm from the renal arteries and the bifurcation were measured. For the repaired AAA, the location of the stent graft relative to the renal arteries was measured. CONCLUSIONS: 3-D surface reconstructions from ultrasound images show promise for quantitatively characterizing the geometry of AAAs both before surgery and after endovascular repair.
OBJECTIVE: Accurate measurements of abdominal aortic aneurysms (AAAs) are required for surgical planning and monitoring over time. We have examined the feasibility of using a three-dimensional (3-D) ultrasound imaging system to derive quantitative measurements of interest from AAAs. METHODS: A normal aorta, a small AAA, and an AAA repaired with an endovascular stent graft were scanned with a 3-D ultrasound imaging system. For each case, a 3-D surface reconstruction was generated from manual outlines of a sequence of two-dimensional ultrasound images, registered in 3-D space with a magnetic tracking system. The surfaces were resampled in planes perpendicular to the vessel center axis to calculate cross-sectional area and maximum diameter as a function of distance along the length of the aorta. RESULTS: Cross-sectional area and maximum diameter were plotted along the length of the aneurysmal aortas from the renal arteries to the aortic bifurcation. The overall maximum diameter was found for both aneurysms. For the small AAA, the distances of the aneurysm from the renal arteries and the bifurcation were measured. For the repaired AAA, the location of the stent graft relative to the renal arteries was measured. CONCLUSIONS: 3-D surface reconstructions from ultrasound images show promise for quantitatively characterizing the geometry of AAAs both before surgery and after endovascular repair.
Authors: Daniel F Leotta; R Eugene Zierler; Kurt Sansom; Alberto Aliseda; Mark D Anderson; Florence H Sheehan Journal: Ultrasound Med Biol Date: 2018-05-21 Impact factor: 2.998
Authors: Ahmed Klink; Fabien Hyafil; James Rudd; Peter Faries; Valentin Fuster; Ziad Mallat; Olivier Meilhac; Willem J M Mulder; Jean-Baptiste Michel; Francesco Ramirez; Gert Storm; Robert Thompson; Irene C Turnbull; Jesus Egido; Jose L Martín-Ventura; Carlos Zaragoza; Didier Letourneur; Zahi A Fayad Journal: Nat Rev Cardiol Date: 2011-02-08 Impact factor: 32.419
Authors: R Eugene Zierler; Daniel F Leotta; Kurt Sansom; Alberto Aliseda; Mark D Anderson; Florence H Sheehan Journal: Vasc Endovascular Surg Date: 2016-05-11 Impact factor: 1.089
Authors: Aneesh K Ramaswamy; Mark Hamilton; Rucha V Joshi; Benjamin P Kline; Rui Li; Pu Wang; Craig J Goergen Journal: ScientificWorldJournal Date: 2013-04-23