JOURNAL ARTICLE

Dural venous sinus stenting for treatment of pediatric idiopathic intracranial hypertension

Katriel E Lee, Aqib Zehri, Sauson Soldozy, Hasan Syed, Joshua S Catapano, Robert Maurer, Felipe C Albuquerque, Kenneth C Liu, Stacey Q Wolfe, Sandra Brown, Michael R Levitt, Kyle M Fargen
Journal of Neurointerventional Surgery 2020 July 30
32732257

BACKGROUND: Dural venous sinus stenting (VSS) is an effective treatment for idiopathic intracranial hypertension (IIH) in adult patients. There are no published series to date evaluating safety and efficacy of VSS in pediatric patients.

OBJECTIVE: To report on procedural device selection and technique as well as safety and efficacy of VSS for pediatric patients with medically refractory IIH due to underlying venous sinus stenosis.

METHODS: A multi-institutional retrospective case series identified patients with medically refractory IIH aged less than 18 years who underwent VSS.

RESULTS: 14 patients were identified at four participating centers. Patient ages ranged from 10 to 17 years, and 10 patients (71.4%) were female. Mean body mass index was 25.7 kg/m2 (range 15.8-34.6 kg/m2 ). Stenting was performed under general endotracheal anesthesia in all except two patients. The average trans-stenotic gradient during diagnostic venography was 10.6 mm Hg. Patients had stents placed in the superior sagittal sinus, transverse sinus, sigmoid sinus, occipital sinus, and a combination. Average follow-up was 1.7 years after stenting. Six patients out of 10 (60%) had reduced medication dosing, 12 of 14 patients (85.7%) had improvements in headaches, two patients (100%) with pre-stent tinnitus had resolution of symptoms, and four (80%) of five patients with papilledema had improvement on follow-up ophthalmological examinations. Two patients (14.3%) developed postprocedural groin hematomas, one patient (7.1%) developed a groin pseudoaneurysm, and one patient (7.1%) had postprocedural groin bleeding. No other procedural complications occurred. Four patients (28.6%) required further surgical treatment (cerebrospinal shunting and/or stenting) after their first stenting procedure.

CONCLUSIONS: This series suggests that VSS is feasible in a pediatric population with IIH and has a low complication rate and good clinical outcomes.

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