Key result
The spinal cord is supplied by an extensive collateral network, and the risk of paraplegia during thoracoabdominal aortic aneurysm repair increases significantly when more than 8 to 13 segmental arteries are sacrificed.
Design
Review
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May inform selective reimplantation in TAAA repair; leaves open optimal segmental artery thresholds for prospective validation.
Understanding the extensive collateral network of the spinal cord circulation may help reduce the risk of postoperative spinal cord ischemia during thoracoabdominal aortic aneurysm repair.
Griepp et al. (2012) conducted a review in Thoracoabdominal aortic aneurysm (TAAA). Segmental artery sacrifice was evaluated. The spinal cord is supplied by an extensive collateral network, and the risk of paraplegia during thoracoabdominal aortic aneurysm repair increases significantly when more than 8 to 13 segmental arteries are sacrificed.
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