Risk factors for spinal cord ischemia after endovascular repair of thoracoabdominal aortic aneurysms Theodosios Bisdas, MD, PhD, Giuseppe Panuccio, MD,

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Presentation transcript:

Risk factors for spinal cord ischemia after endovascular repair of thoracoabdominal aortic aneurysms Theodosios Bisdas, MD, PhD, Giuseppe Panuccio, MD, Masayuki Sugimoto, MD, Giovanni Torsello, MD, PhD, Martin Austermann, MD Journal of Vascular Surgery Volume 61, Issue 6, Pages 1408-1416 (June 2015) DOI: 10.1016/j.jvs.2015.01.044 Copyright © 2015 Society for Vascular Surgery Terms and Conditions

Fig 1 Measurement of aortic coverage (a, left subclavian artery; b, most proximal part of the endograft; c, superior mesenteric artery; d, most distal part of the endograft; e, aortic bifurcation; [ae], total aortic length; [ac], thoracic aortic length; [bd], covered aortic length; [ab], residual free thoracic aortic length; [bd]/[ae], percentage of covered aorta; [bc]/[ac], percentage of covered thoracic aorta; [bc]/[ac], percentage of residual free thoracic aorta). Journal of Vascular Surgery 2015 61, 1408-1416DOI: (10.1016/j.jvs.2015.01.044) Copyright © 2015 Society for Vascular Surgery Terms and Conditions

Fig 2 Aortic coverage in percentage in patients treated endovascularly for thoracoabdominal aortic aneurysms (TAAAs). The aorta is normalized in percentage from the subclavian artery (100% coverage) to the aortic bifurcation (0% coverage). Each bar represents the aortic coverage of each patient (green, no spinal cord ischemia [SCI]; red, SCI) correlated also to the Crawford classification of the respective aneurysm. Journal of Vascular Surgery 2015 61, 1408-1416DOI: (10.1016/j.jvs.2015.01.044) Copyright © 2015 Society for Vascular Surgery Terms and Conditions

Fig 3 Aortic coverage in percentage in patients treated endovascularly for thoracoabdominal aortic aneurysms (TAAAs). The aorta is normalized in percentage from the superior mesenteric artery (0%) to the left subclavian artery (LSA). Each bar represents the aortic coverage of each patient (green, no spinal cord ischemia [SCI]; red, SCI) correlated also to the Crawford classification of the respective aneurysm. The anatomic position of the LSA for each patient is also marked (circles). Journal of Vascular Surgery 2015 61, 1408-1416DOI: (10.1016/j.jvs.2015.01.044) Copyright © 2015 Society for Vascular Surgery Terms and Conditions

Fig 4 Exponential curve for the predicted risk of spinal cord ischemia (PRSCI) in respect to the percentage of thoracic aortic coverage. The equation describing the curve is PRSCI (t) = e(0.032∗t), where t = % coverage of the thoracic aorta. Journal of Vascular Surgery 2015 61, 1408-1416DOI: (10.1016/j.jvs.2015.01.044) Copyright © 2015 Society for Vascular Surgery Terms and Conditions