What question did this study set out to answer?

To analyze the localization and laterality of CSF-venous fistulas for improved therapeutic intervention.

March 5, 2026Open Access

Occurrence of CSF-Venous Fistulas by Spinal Level and Laterality: A Systematic Review and Meta-Analysis

Key Points

To analyze the localization and laterality of CSF-venous fistulas for improved therapeutic intervention.
Conducted a systematic review of existing literature
Performed a meta-analysis to assess prevalence
Focused on spinal level and laterality of CVFs
Found a significantly higher occurrence of CVFs on the right side
Identified the lower thoracic spine (T7, T9, T10) as the most prevalent levels
Proposed anatomical factors like the azygous vein as a possible cause for this pattern

Abstract

Localization of CVFs is crucial in therapeutic planning and intervention. We found significantly more on the right utilizing the available literature for analysis. The greatest prevalence rates by level were in the lower thoracic spine at T7, T9, and T10. One possible etiology for this pattern could be the azygous vein and an abundance of arachnoid granulations at these levels.

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Cite This Study

Saadeh et al. (Mon,) studied this question.

synapsesocial.com/papers/69a91cf1d6127c7a504bfd8d https://doi.org/https://doi.org/10.3174/ajnr.a9187

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