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Κυριακή 18 Ιουλίου 2021

Venous sinus stenting after repair of skull base spontaneous cerebrospinal fluid leaks: a single-center retrospective cohort series with case-control analysis

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J Neuroradiol. 2021 Jul 14:S0150-9861(21)00135-8. doi: 10.1016/j.neurad.2021.07.002. Online ahead of print.

ABSTRACT

BACKGROUND: Management of idiopathic intracranial hypertension (IIH) is recommended after surgical repair of spontaneous cerebrospinal fluid leaks (sCSF-leaks) of the skull base for prevention of recurrence.

PURPOSE: To assess the feasibility of venous sinus stenting, a treatment commonly used for the treatment of IIH associated with intracranial venous sinus stenosis (VSS), after sCSF-leaks closure.

MATERIALS AND METHODS: A single-center cohort series of consecutive patients who underwent sCSF-leak closure was retrospectively analyzed. Stenting was considered either for leak recurrence or in prophylactic manner after repair in patients with VSS as confirmed by cerebral venous imaging. Leak recurrence, need for new repair or adjunctive treatment of IIH, meningitis, and stenting complications were determined at the l ast follow-up. Cases who had prophylactic stenting were compared to historical controls before stenting option.

RESULTS: Twenty-two patients had intracranial venous stenting after sCSF-leak closure. Their median age was 58 years (Q1=45; Q3=68), BMI=31kg.m-2 (Q1=27; Q3=36), and female rate=85%. The overall rate of successful repair after stenting was 95% (95% CI = 87-100%) at a median follow-up of 2.4 years (Q1=1.2; Q3=3.3). Adjunctive treatment for IIH was needed in 4 patients (4/22, 18%) including 2 patients without leak recurrence. No meningitis, permanent morbidity or mortality was observed after stenting. Compared to 18 controls, cases had significantly less recurrence (P=0.03), and a trend for less adjunctive treatment for IIH (P=0.06).

CONCLUSIONS: Our study suggests that stenting might be a valid option for prevention of sCSF-leak recurrences after repair in patients with intracranial venous sinus stenosis.

PMID:34273358 | DOI:10.1016/j.neurad.2021.07.002

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