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April 3, 2026American Journal of Neuroradiology1 citationsOpen Access

Rates of Retreatment after Transvenous Embolization of CSF-Venous Fistulas in Spontaneous Intracranial Hypotension

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DSDerrek SchartzNBNicholas T. BeferaTATimothy J. Amrhein

Key Points

  • This research aims to understand the rates of retreatment after transvenous embolization in patients with cerebrospinal fluid-venous fistulas.
  • Observed patient outcomes post-transvenous embolization.
  • Tracked symptom recurrence within three months of treatment.
  • Identified factors contributing to retreatment.
  • 23% of patients required retreatment after initial therapy.
  • Symptom recurrence primarily occurred within three months.
  • Many patients developed new cerebrospinal fluid-venous fistulas away from the treatment site.

Abstract

Approximately 23% of patients with CVF that are treated with TVE will require retreatment. Symptom recurrence is most common within 3 months after initial treatment. Recurrence can occur due to local treatment failure or development of collateral drainage pathways, but a substantial proportion of patients develop de novo CVFs remote from the initial treatment site. These findings can be used to counsel patients and to manage treatment expectations.

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Cite This Study

Schartz et al. (2026) studied this question.

synapsesocial.com/papers/69cf5e995a333a821460d021https://doi.org/10.3174/ajnr.a9327
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Mechanisms of Local CSF-Venous Fistula Persistence after Transvenous Embolization for Spontaneous Intracranial Hypotension2026
  2. 2Clinical recurrence and rebound intracranial hypertension after transvenous embolization of cerebrospinal fluid–venous fistulas2026
  3. 3Safety and efficacy of transvenous embolization of cerebrospinal fluid-venous fistula in patients with spontaneous intracranial hypotension2024 · 15 citations
  4. 4De novo cerebrospinal fluid-venous fistula following multilevel blood and fibrin patching for spontaneous intracranial hypotension2026 · 2 citations
  5. 5Additional outlet occlusion as an important factor in avoiding retreatment after transvenous embolization for cavernous sinus dural arteriovenous fistulas2024