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Influence of Perioperative Hemodynamics on Spinal Cord Ischemia in Thoracoabdominal Aortic Repair  Yujiro Kawanishi, MD, Kenji Okada, MD, Masamichi Matsumori,

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Presentation on theme: "Influence of Perioperative Hemodynamics on Spinal Cord Ischemia in Thoracoabdominal Aortic Repair  Yujiro Kawanishi, MD, Kenji Okada, MD, Masamichi Matsumori,"— Presentation transcript:

1 Influence of Perioperative Hemodynamics on Spinal Cord Ischemia in Thoracoabdominal Aortic Repair 
Yujiro Kawanishi, MD, Kenji Okada, MD, Masamichi Matsumori, MD, Hiroshi Tanaka, MD, Teruo Yamashita, MD, Keitaro Nakagiri, MD, Yutaka Okita, MD  The Annals of Thoracic Surgery  Volume 84, Issue 2, Pages (August 2007) DOI: /j.athoracsur Copyright © 2007 The Society of Thoracic Surgeons Terms and Conditions

2 Fig 1 Duration of hypotension. T1 = systolic arterial pressure (SAP) less than 80 mm Hg or mean pressure less than 60 mm Hg during aortic cross-clamping (ACC); T2 = distal aortic perfusion pressure less than 60 mm Hg during aortic cross-clamping; T3 = SAP less than 80 mm Hg after coming off bypass; T4 = SAP less than 80 mm Hg in intensive care unit (ICU). (BP = blood pressure.) The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur ) Copyright © 2007 The Society of Thoracic Surgeons Terms and Conditions

3 Fig 2 Relation between arterial blood pressure and motor evoked-potential (MEP) monitoring in a patient with postoperative paraplegia. Motor evoked-potential change is shown below the graph. Motor evoked-potential amplitude recovered after transient ischemic change and disappeared in accordance with hemodynamic instability owing to serious bleeding after coming off bypass. The gray bar represents time duration of hypotension. (ACC = aortic cross-clamping; BP = blood pressure.) The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur ) Copyright © 2007 The Society of Thoracic Surgeons Terms and Conditions

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