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AJNR - American Journal of Neuroradiology

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American Journal of Neuroradiology 26:1001-1003, May 2005
© 2005 American Society of Neuroradiology

Technical Note
SPINE

Value of CT Fluoroscopy for Lumbar Facet Blocks

Sherif Meleka^a, Ajanta Patra^b, Evan Minkoff^b and Kieran Murphy^c

^a Department of Neurosurgery, Johns Hopkins School of Medicine, Baltimore MD
^b Department of Radiology, Johns Hopkins School of Medicine, Baltimore MD
^c Department of Radiology, Johns Hopkins University, Baltimore MD

Address correspondence to Sherif Meleka, MD, Johns Hopkins at Greenspring Station, 2360 West Joppa Road, Suite 206, Lutherville, MD 21093

Summary: We compared the diagnostic accuracy of lumbar facet blocks guided by either conventional fluoroscopy or CT fluoroscopy (CTF). Seventy-one blocks were performed with conventional fluoroscopy, and 58 were performed using CTF. Pain scores were measured before and after the procedure. The CTF group had a greater percentage decrease in pain (79.5% ± 31.1%) than did the conventional fluoroscopy group (55.5% ± 38.0%; P < .0005). We conclude lumbar facet blocks by using CTF guidance results in greater diagnostic accuracy than do conventional fluoroscopy.

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