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

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...

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Veröffentlicht in:	American Journal of Neuroradiology 2004-10, Vol.25 (9), p.1592-1594
1. Verfasser:	Wagner, Andrew L
Format:	Artikel
Sprache:	eng
Schlagworte:	Anatomy Biological and medical sciences Bupivacaine - administration & dosage Central nervous system Fluoroscopy Fundamental and applied biological sciences. Psychology Humans Image Processing, Computer-Assisted Investigative techniques, diagnostic techniques (general aspects) Medical sciences Miscellaneous. Technology Nerve Block - methods Nervous system Outcome and Process Assessment (Health Care) Radiation Dosage Radiodiagnosis. Nmr imagery. Nmr spectrometry Spinal Nerve Roots - drug effects Spinal Nerve Roots - pathology Spine Thermoluminescent Dosimetry Time and Motion Studies Tomography, X-Ray Computed Vertebrates: nervous system and sense organs
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Zusammenfassung:	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.
ISSN:	0195-6108 1936-959X 1432-1920