Randall B. Griepp, MD, Eva B. Griepp, MD

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Presentation transcript:

Spinal cord protection in surgical and endovascular repair of thoracoabdominal aortic disease Randall B. Griepp, MD, Eva B. Griepp, MD The Journal of Thoracic and Cardiovascular Surgery Volume 149, Issue 2, Pages S86-S90 (February 2015) DOI: 10.1016/j.jtcvs.2014.10.056 Copyright © 2015 The American Association for Thoracic Surgery Terms and Conditions

Figure 1 Acrylic casts of the collateral network available for spinal cord perfusion in a pig. Top, Dorsal view of multiple lumbar levels demonstrating the anterior spinal artery (ASA; arrow) and its multiple connections at each level with intra- and extrathecal vessels. *Lumbar paraspinous network. Bottom, Transverse section at the level of L1, demonstrating the disparity between the neural and the muscular vascularization. Reprinted with permission.12 The Journal of Thoracic and Cardiovascular Surgery 2015 149, S86-S90DOI: (10.1016/j.jtcvs.2014.10.056) Copyright © 2015 The American Association for Thoracic Surgery Terms and Conditions

Figure 2 Porcine vasculature demonstrated by radiograph following latex barium emulsion infusion. Top, Entire pig. Bottom left, Eviscerated trunk of a normal pig. Bottom right, Eviscerated trunk of a pig 5 days after ligation of all segmental vessels. Note neovascularization connecting distal segmental vessels with the sacral vessels and the subclavian vessels via the internal thoracic arteries, as well as the complete backfilling of the segmental vessels to the ligation sites adjacent to the aorta. Reprinted with permission.13 The Journal of Thoracic and Cardiovascular Surgery 2015 149, S86-S90DOI: (10.1016/j.jtcvs.2014.10.056) Copyright © 2015 The American Association for Thoracic Surgery Terms and Conditions