Clinical recurrence and rebound intracranial hypertension after transvenous embolization of cerebrospinal fluid–venous fistulas

Rayyan Kinsara; Anass Benomar; Ruan Grobler; Howard Meng; Anish Kapadia

doi:10.1136/jnis-2026-025561

August 14, 2026Journal of NeuroInterventional Surgery

Clinical recurrence and rebound intracranial hypertension after transvenous embolization of cerebrospinal fluid–venous fistulas

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Key Points

To evaluate clinical and imaging outcomes, recurrence rates, and rebound intracranial hypertension following transvenous embolization for cerebrospinal fluid–venous fistulas.
Retrospective single-center study of N=46 patients who underwent transvenous embolization for cerebrospinal fluid-venous fistulas between January 2022 and January 2026.
Eligible patients had a diagnosis of spontaneous intracranial hypotension confirmed by decubitus myelography and completed embolization.
Assessed pre- and post-treatment Bern SIH score on brain MRI, immediate response, 3-month symptom resolution, rebound intracranial hypertension, recurrence, and complications.
Symptom resolution at 3 months occurred in 80.4% of patients, with post-treatment improvement in Bern score on follow-up MRI.
Rebound intracranial hypertension developed in 26.1% of patients, and clinical recurrence occurred in 18.9% of evaluable patients.
One procedural complication occurred without lasting clinical sequelae.

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Implication

Retrospective study reports high symptom resolution alongside notable rebound intracranial hypertension and recurrence in patients with CSF-venous fistulas, indicating the need for close monitoring.

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Cite This Study

Kinsara et al. (2026) studied this question.

synapsesocial.com/papers/6a817a21f2fb91fc834adcb5 https://doi.org/10.1136/jnis-2026-025561

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Clinical recurrence and rebound intracranial hypertension after transvenous embolization of cerebrospinal fluid–venous fistulas

Key Points

No abstract yet

Implication

Discussion

Cite This Study

Clinical recurrence and rebound intracranial hypertension after transvenous embolization of cerebrospinal fluid–venous fistulas

Key Points

No abstract yet

Implication

Discussion

Cite This Study

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