American Journal of Neuroradiology, Vol 16, Issue 8 1618-1625, Copyright © 1995 by American Society of Neuroradiology
ARTICLES |
Use of transcranial cerebral oximetry to monitor regional cerebral oxygen saturation during neuroendovascular procedures
G Hernandez-Avila, M Dujovny, KV Slavin, MS Luer, E Nijensohn, G Geremia and JI Ausman
Department of Neurosurgery, University of Illinois at Chicago 60612- 7329, USA.
Using transcranial cerebral oximetry, we monitored 30 patients who underwent cerebral angiography by the femoral route. Transcranial cerebral oximetry is a noninvasive technique of regional cerebral oxygen saturation measurement that uses near-infrared spectroscopy to differentiate oxyhemoglobin from reduced hemoglobin. Needle puncture, catheterization, and contrast media injection produced no significant peak changes in saturation from baseline. Acute and persistent decreases in oxygen saturation were associated with vascular complications and were detected before development of clinical symptoms. Greater changes in saturation were observed during several neuroendovascular procedures, indicating the development of complications, signaling a need to stop further endovascular manipulation.
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