Comparison of Preoperative Selective Spinal Angiography and Somatosensory-Evoked Potential Monitoring With Temporary Occlusion of Segmental Vessels During Anterior Spinal Surgery

Abstract

The lack of somatosensory-evoked potential changes after temporary occlusion of segmental arteries from which radicular arteries supply the spinal cord demonstrates sufficient perimedullary collateral circulation in that area of the spinal cord.