Midterm outcomes of thoracic aortic stent-grafts: complications and imaging techniques

Journal of Endovascular Therapy : an Official Journal of the International Society of Endovascular Specialists
Valérie ChabbertHervé Rousseau

Abstract

To evaluate the midterm outcomes of thoracic aortic stent-grafting and the performance of computed tomographic angiography (CTA), radiography, and magnetic resonance angiography (MRA) in endograft surveillance. Forty-seven patients with traumatic thoracic aortic ruptures (n=16), aneurysms (n=14), false aneurysms (n=3), penetrating ulcers (n=3), and dissections (n=11) treated with stent-grafts were monitored in follow-up using chest radiography and CTA in all patients and MRA in 23 patients. Two perpendicular maximal aortic diameters, the sum of these diameters, and the elliptical cross-sectional area were determined and compared to baseline for the entire group and in subgroup analyses according to lesion type. CTA, MRA, and radiography were compared for their ability to detect endoleak, monitor stent-graft configuration, and measure aortic diameters. The mortality rate was 8.5%. Severe complications were observed in 14.8% (6% neurological complications); 12 (25.5%) patients had primary endoleaks. Over a mean 11-month follow-up (range 0.25-46 months), the aortic diameters decreased for all patients without endoleak (p<0.001). In the diameter/area subgroup analyses, only the traumatic rupture cohort demonstrated significant decr...Continue Reading

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Jan 9, 2007·Cardiovascular and Interventional Radiology·N SaratzisDimitrios Kiskinis
Oct 18, 2006·Journal of Endovascular Therapy : an Official Journal of the International Society of Endovascular Specialists·Octavio CosinFrancis Joffre
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