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Updated: Jun 13, 2026
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Real-Time Assessment of Spinal Cord Microperfusion in a Porcine Model of Ischemia/Reperfusion
Published on: December 10, 2020
Motor evoked potentials in thoracoabdominal aortic surgery: CON
Joseph S Coselli1, Peter I Tsai
1Division of Cardiothoracic Surgery, Michael E. DeBakey Department of Surgery, Baylor College of Medicine, One Baylor Plaza, BCM 390, Houston, TX 77030, USA. jcoselli@bcm.edu
Cardiology Clinics
|May 11, 2010
Summary
Thoracoabdominal aortic aneurysm (TAAA) repair can cause spinal cord injury. Motor evoked potential (MEP) monitoring during surgery may reduce this risk but requires anesthetic adjustments and has contraindications.
Area of Science:
- Cardiovascular Surgery
- Neurology
- Anesthesiology
Background:
- Thoracoabdominal aortic aneurysms (TAAAs) often require surgical intervention due to their poor prognosis.
- Surgical repair of TAAAs carries a significant risk of postoperative neurological deficits, including paraplegia and paraparesis.
- Spinal cord ischemia is a primary concern during TAAA repair.
Discussion:
- Intraoperative monitoring of motor evoked potentials (MEPs) offers a method to assess spinal cord function during TAAA repair.
- MEP monitoring can potentially guide surgical decisions to minimize the risk of spinal cord ischemia and subsequent neurological damage.
- Implementing MEP monitoring necessitates modifications to standard anesthetic protocols.
- The use of MEP monitoring is associated with inherent risks and has specific contraindications that must be considered.
Key Insights:
- MEP monitoring serves as a valuable tool for real-time assessment of spinal cord integrity during complex aortic surgeries.
- Proactive management of anesthesia is crucial for successful MEP monitoring in TAAA repair.
- Careful patient selection is essential due to the contraindications associated with MEP monitoring.
Outlook:
- Further research may refine anesthetic techniques to optimize MEP monitoring efficacy and safety.
- Expanded use of MEP monitoring could lead to improved neurological outcomes in patients undergoing TAAA repair.
- Investigating alternative or adjunct neuromonitoring techniques may further enhance spinal cord protection strategies.
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