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American Journal of Neuroradiology 25:1592-1594, October 2004
© 2004 American Society of Neuroradiology

SPINE

Selective Lumbar Nerve Root Blocks with CT Fluoroscopic Guidance: Technique, Results, Procedure Time, and Radiation Dose

Andrew L. Wagnera

a From the Department of Radiology, Rockingham Memorial Hospital, Harrisonburg, VA; and the Department of Radiology, University of Virginia School of Medicine, Charlottesville, VA

Address correspondence to Andrew L. Wagner, Department of Radiology, Rockingham Memorial Hospital, 235 Cantrell Avenue, Harrisonburg, VA 22801

Abstract

Summary: CT fluoroscopy may be used as a rapid and effective means of guiding needle placement when performing selective lumbar nerve root blocks. In this set of patients, the average external radiation dose was 0.73 mrem per procedure, with an average of 2 seconds of CT-fluoroscopy time and four images per procedure. Average physician room time was 7 minutes. Use of intermittent CT fluoroscopy during lumbar selective nerve root blocks can result in minimal radiation dose levels and procedure times that are comparable to fluoroscopic guidance.




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Copyright © 2009 by the American Society of Neuroradiology. Print ISSN: 0195-6108 Online ISSN: 1936-959X