Affiliation:
1. Danish Headache Centre, Department of Neurology, Glostrup Hospital, University of Copenhagen, Denmark
Abstract
Aims The aims of this article are to characterize the headache in idiopathic intracranial hypertension (IIH) and to field-test the ICHD diagnostic criteria for headache attributed to IIH. Materials and methods We included 44 patients with new-onset IIH. Thirty-four patients with suspected but unconfirmed IIH served as controls. Headache and other IIH-related symptoms were assessed by a detailed standardized interview. In participants referred before diagnostic lumbar puncture ( n = 67), we recorded headache intensity before and after cerebrospinal fluid (CSF) withdrawal. Results Headache in patients with IIH was daily occurring in 86%, focal in 84% and pulsating in 52%. Aggravation of headache by coughing or straining and relief after CSF withdrawal were significantly more frequent in patients than in controls ( p ≤ 0.002). From the ICHD-2 to the ICHD-3 beta classification the sensitivity increased from 60% to 86% whereas the specificity decreased from 86% to 53%. Based on our data the headache criteria can be revised to increase sensitivity to 95% and specificity to 65%. Conclusion Aggravation of headache by coughing or straining, relief after CSF withdrawal, retrobulbar pain and pulsatile tinnitus may suggest intracranial hypertension. Based on data from a well-defined IIH cohort, we propose a revision of the ICDH-3 beta diagnostic criteria with improved clinical applicability and increased sensitivity and specificity.
Subject
Clinical Neurology,General Medicine
Cited by
45 articles.
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