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Neurology. 2005 Oct 11;65(7):1090-3.

Transverse sinus stenoses persist after normalization of the CSF pressure in IIH.

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  • 1Institutes of Neurology, University Magna Graecia, Catanzaro, Italy.

Abstract

BACKGROUND:

Bilateral transverse sinus (TS) stenosis has been found in more than 90% of patients with idiopathic intracranial hypertension (IIH).

OBJECTIVE:

To evaluate whether TS stenosis changed after normalization of CSF pressure in patients with IIH during medical treatment.

METHODS:

Fourteen consecutive patients with IIH with bilateral TS stenosis on cerebral MR venography (MRV) during the medical treatment were studied. Patients were followed for over a 6-year period. During the follow-up, patients underwent repeated lumbar punctures (LPs) and cerebral MRV. MRV was always performed before each LP.

RESULTS:

TS stenosis persisted in all the patients during the follow-up. In 9 of 14 (64%) patients with IIH, CSF pressure normalized during medical treatment.

CONCLUSIONS:

Transverse sinus (TS) stenoses, as revealed by MR venography, persist in patients with idiopathic intracranial hypertension after normalization of CSF pressure, suggesting the lack of a direct relationship between the caliber of TS and CSF pressure.

PMID:
16217064
[PubMed - indexed for MEDLINE]
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