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Near-infrared spectroscopy for monitoring spinal cord ischemia during hybrid thoracoabdominal aortic aneurysm repair

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Abstract
Purpose: To describe a simple, noninvasive technique to detect changes in oxygen saturation at the level of the spinal cord and to suggest its suitability for individualized blood pressure management during and after thoracoabdominal aneurysm repair. Case Report: A 53-year-old man with a history of multiple arch and thoracic aortic procedures underwent staged hybrid treatment of a large TAAA due to chronic dissection from the distal aortic arch into the iliac arteries. During the procedures, near-infrared spectroscopy (NIRS) sensors were applied over the 10th thoracic vertebra for continuous monitoring of tissue oxygen saturation (SsO2) during endovascular repair. After stent-graft deployment, mean SsO2 decreased significantly. Moreover, the relationship between SsO2 and arterial blood pressure became linear, reflecting pressure dependency of spinal cord perfusion after stent deployment. Conclusion: These data show that NIRS monitors post-endograft changes in SsO2 that were strongly related to arterial blood pressure. Regional NIRS monitoring at the vertebral level may function as a valuable noninvasive guide to the management of blood pressure during thoracoabdominal aneurysm repair, both intra- and postoperatively. J Endovasc Ther. 2011;18:91-95
Keywords
PARAPLEGIA, near-infrared spectroscopy, RISK, spinal cord ischemia, endovascular repair, stent-graft, thoracoabdominal aortic aneurysm

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Citation

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Chicago
Moerman, Anneliese, Isabelle Van Herzeele, Caroline Vanpeteghem, Frank Vermassen, Katrien Francois, and Patrick Wouters. 2011. “Near-infrared Spectroscopy for Monitoring Spinal Cord Ischemia During Hybrid Thoracoabdominal Aortic Aneurysm Repair.” Journal of Endovascular Therapy 18 (1): 91–95.
APA
Moerman, Anneliese, Van Herzeele, I., Vanpeteghem, C., Vermassen, F., Francois, K., & Wouters, P. (2011). Near-infrared spectroscopy for monitoring spinal cord ischemia during hybrid thoracoabdominal aortic aneurysm repair. JOURNAL OF ENDOVASCULAR THERAPY, 18(1), 91–95.
Vancouver
1.
Moerman A, Van Herzeele I, Vanpeteghem C, Vermassen F, Francois K, Wouters P. Near-infrared spectroscopy for monitoring spinal cord ischemia during hybrid thoracoabdominal aortic aneurysm repair. JOURNAL OF ENDOVASCULAR THERAPY. 2011;18(1):91–5.
MLA
Moerman, Anneliese, Isabelle Van Herzeele, Caroline Vanpeteghem, et al. “Near-infrared Spectroscopy for Monitoring Spinal Cord Ischemia During Hybrid Thoracoabdominal Aortic Aneurysm Repair.” JOURNAL OF ENDOVASCULAR THERAPY 18.1 (2011): 91–95. Print.
@article{1203018,
  abstract     = {Purpose: To describe a simple, noninvasive technique to detect changes in oxygen saturation at the level of the spinal cord and to suggest its suitability for individualized blood pressure management during and after thoracoabdominal aneurysm repair.
Case Report: A 53-year-old man with a history of multiple arch and thoracic aortic procedures underwent staged hybrid treatment of a large TAAA due to chronic dissection from the distal aortic arch into the iliac arteries. During the procedures, near-infrared spectroscopy (NIRS) sensors were applied over the 10th thoracic vertebra for continuous monitoring of tissue oxygen saturation (SsO2) during endovascular repair. After stent-graft deployment, mean SsO2 decreased significantly. Moreover, the relationship between SsO2 and arterial blood pressure became linear, reflecting pressure dependency of spinal cord perfusion after stent deployment.
Conclusion: These data show that NIRS monitors post-endograft changes in SsO2 that were strongly related to arterial blood pressure. Regional NIRS monitoring at the vertebral level may function as a valuable noninvasive guide to the management of blood pressure during thoracoabdominal aneurysm repair, both intra- and postoperatively. J Endovasc Ther. 2011;18:91-95},
  author       = {Moerman, Anneliese and Van Herzeele, Isabelle and Vanpeteghem, Caroline and Vermassen, Frank and Francois, Katrien and Wouters, Patrick},
  issn         = {1526-6028},
  journal      = {JOURNAL OF ENDOVASCULAR THERAPY},
  keyword      = {PARAPLEGIA,near-infrared spectroscopy,RISK,spinal cord ischemia,endovascular repair,stent-graft,thoracoabdominal aortic aneurysm},
  language     = {eng},
  number       = {1},
  pages        = {91--95},
  title        = {Near-infrared spectroscopy for monitoring spinal cord ischemia during hybrid thoracoabdominal aortic aneurysm repair},
  volume       = {18},
  year         = {2011},
}

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