Stenting of the Lateral Sinus in Idiopathic Intracranial Hypertension According to the Type of Stenosis.

Stenting of the Lateral Sinus in Idiopathic Intracranial Hypertension According to the Type of Stenosis.

Neurosurgery. 2016 May 23;

Authors: Lenck S, Vallée F, Labeyrie MA, Touitou V, Saint-Maurice JP, Guillonnet A, Tantot A, Crassard I, Bernat AL, Houdart E

Abstract
BACKGROUND: Over the past decade, stenting of lateral sinus stenosis has been used to treat idiopathic intracranial hypertension. Two types of stenoses have been identified: extrinsic and intrinsic.
OBJECTIVE: The aim of this study was to report the results of our use of this procedure to treat patients with extrinsic or intrinsic stenoses in idiopathic intracranial hypertension.
METHODS: We retrospectively studied clinical, radiological, and manometric data from patients with idiopathic intracranial hypertension who were treated at our institution between January 2009 and January 2015 by stenting of the lateral sinus.
RESULTS: Data were studied from 19 women and 2 men. Average body mass index was 29 kg/m, and the median age at stenting was 33 years. Patients with extrinsic stenoses were younger than those with intrinsic stenoses. Transstenotic gradients measured with patients under general anesthesia were lower than those measured with patients under local anesthesia. In all cases, stenting was effective for papilledema and pulsatile tinnitus. Seventeen patients reporting headaches found that they disappeared completely after stenting. Two complications without long-term effects were reported.
CONCLUSION: Irrespective of the type of stenosis, stenting of lateral sinus stenoses is an effective treatment for intracranial hypertension symptoms. At our institution, this treatment has replaced draining of cerebrospinal fluid when treatment with acetazolamide has proved to be ineffective.
ABBREVIATION: IIH, idiopathic intracranial hypertension.

PMID: 27218234 [PubMed - as supplied by publisher]

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