Journal
CEPHALALGIA
Volume 35, Issue 12, Pages 1077-1084Publisher
SAGE PUBLICATIONS LTD
DOI: 10.1177/0333102414566819
Keywords
Trigeminal neuralgia; etiology; neurovascular contact; clinical characteristics
Categories
Funding
- prize Global Excellence in Health
- Lundbeck Foundation [R118-A11531]
- Trigeminus Foreningen
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BackgroundPrevious studies demonstrated that a severe neurovascular contact (NVC) causing displacement or atrophy of the trigeminal nerve is highly associated with classical trigeminal neuralgia (TN). There are no studies describing the association between the clinical characteristics of TN and severe NVC. MethodsClinical characteristics were prospectively collected from consecutive TN patients using semi-structured interviews in a cross-sectional study design. We evaluated 3.0 Tesla MRI blinded to the symptomatic side. ResultsWe included 135 TN patients. Severe NVC was more prevalent in men (75%) compared to women (38%) (p<0.001), and the odds in favor of severe NVC on the symptomatic side were 5.1 times higher in men compared to women (95% CI 2.3-10.9, p<0.001). There was no difference between patients with and without severe NVC in age (60 years vs. <60) (OR 1.6 95% CI (0.8-3.4), p=0.199) or duration of disease (p=0.101). ConclusionsSevere NVC was much more prevalent in men than in women, who may more often have other disease etiologies causing or contributing to TN. Severe NVC was not associated with age or with duration of disease.
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