ArticleAJNR. American journal of neuroradiology2025
Safety and Technical Performance of Bilateral Decubitus CT Myelography Using Standard versus Increased Intrathecal Iodinated Contrast Volume.
Article in AJNR. American journal of neuroradiology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Technical Aspects of Dynamic CT Myelography: Optimizing Patient Positioning for the Detection of CSF Leaks.AJNR. American journal of neuroradiology · 2025Article
- Additional Diagnostic Value of Conebeam CT Myelography Performed after Digital Subtraction Myelography for Detecting CSF-Venous Fistulas.AJNR. American journal of neuroradiology · 2025Article
- Density and Time Characteristics of CSF-Venous Fistulas on CT Myelography in Patients with Spontaneous Intracranial Hypotension.AJNR. American journal of neuroradiology · 2025Article
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
background and purposeLateral decubitus CT myelography (LDCTM) is one of the main studies for the detection of CSF-venous fistulas, but detection of CSF-venous fistulas is dependent on intrathecal contrast attenuation. The purpose of this investigation was to assess the tolerability and technical performance of increased intrathecal doses of myelographic contrast compared with standard doses. MATERIALS AND
methodsThis is a retrospective series of 24 patients who underwent LDCTM following administration of either 10 or 20 mL of intrathecal iodinated contrast media (300 or 320 mg/mL of iodine content). Patients were scanned in the initial lateral decubitus position and then turned to the contralateral side and re-scanned in the same session. The safety and tolerability of the 20 mL dose was assessed from clinical records. The technical performance of the studies was compared between groups (10 or 20 mL) by measuring attenuation values over the lateral thecal sac at standardized levels. Both the initial scan and the scan after turning the patient to the contralateral side were assessed.
resultsNo moderate or severe adverse event was recorded in either group. The 20-mL group showed higher attenuation values, which were statistically greater on the second side examined compared with the standard-dose group.
conclusionsIncreased volume of intrathecal contrast was well-tolerated and improved the technical performance of LDCTM in this limited series. Further assessment of the safety and impact on diagnostic yield using larger patient cohorts is warranted.
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