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Type II endoleak in porcine model of abdominal aortic aneurysm

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Presentation on theme: "Type II endoleak in porcine model of abdominal aortic aneurysm"— Presentation transcript:

1 Type II endoleak in porcine model of abdominal aortic aneurysm
Sergio Diaz, MD, Matthew R Uzieblo, MD, Ketan M Desai, MD, Michael R Talcott, DVM, Kyongtae T Bae, MD, PhD, Patrick J Geraghty, MD, Juan C Parodi, MD, Gregorio A Sicard, MD, Luis A Sanchez, MD, Eric T Choi, MD  Journal of Vascular Surgery  Volume 40, Issue 2, Pages (August 2004) DOI: /j.jvs

2 Fig 1 A, Infrarenal aorta exposed. B, Dacron patch is sewn after aortotomy to create an abdominal aortic aneurysm approximately 2.5 cm in diameter while preserving the lumbar branches. Indwelling pressure transducer is implanted into aneurysm sac for postoperative sac pressure measurement. C, Intraoperative angiogram reveals the aneurysm and patent lumbar branches. Journal of Vascular Surgery  , DOI: ( /j.jvs )

3 Fig 2 A, Abdominal computed tomography scan demonstrates excluded abdominal aortic aneurysm with a Talent endograft, the lumen of which contains brightly enhanced aortic blood. Inset, Perigraft pool of contrast medium along with contrast-enhanced feeding lumbar arteries, consistent with type II endoleak. Maximum aneurysm diameter, 27 × 29 mm (anteroposterior-transverse). Size of endoleak from left lumbar artery branch, 22 × 16 mm (anteroposterior-transverse). Attenuation measurement of endoleak: 130 Hounsfield units (HU). Attenuation measurement of lumen before administration of contrast medium, 43 HU. Attenuation measurement within graft, 562 HU. B, Computed tomography scan demonstrates absence of perigraft flow associated with clipped lumbar artery branch at its origin, confirming resolution of type II endoleak. C, Corresponding sac pressure tracing reveals resolution of sac pulse pressure after lumbar artery branch ligation. Journal of Vascular Surgery  , DOI: ( /j.jvs )

4 Fig 3 A, Averaged aneurysm sac mean arterial pressure after creation of abdominal aortic aneurysm (n = 8), endovascular aneurysm repair (n = 8; *P < .01), and lumbar artery ligation (n = 8; **P < .02). B, Averaged aneurysm sac pulse pressure after creation of aneurysm (n = 8), endovascular aneurysm repair (n = 8; *P < .01), and lumbar artery ligation (n = 8; **P < .01). Journal of Vascular Surgery  , DOI: ( /j.jvs )

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