Affiliation:
1. Departments of Neurology and
2. Department of Neurology,
Hospital Universitari Doctor Josep Trueta de Girona, Spain
3. Departments of Neuroradiology,
Hospital Clínico Universitario and Universidad de Santiago de Compostela
and
Abstract
The mechanism for headache in patients with acute ischaemic stroke are not completely understood. We analysed the relationship between headache and the early worsening of neurological symptoms in patients with acute ischaemic stroke, and we studied the possible biochemical mechanisms implicated. Headache at the onset of ischaemic stroke predicted progression with a sensitivity, specificity, and positive predictive value of 56%, 99%, and 98%, respectively. CSF concentrations of glutamate, Interleukin-6, and NO-m were significantly greater in patients with progressing stroke than in patients with nonprogressing stroke, and these biochemical markers were also significantly higher in patients with headache than in those without headache. Results of this study suggest that headache at the onset of ischaemic stroke is an independent predictor of neurological worsening and we hypothesize that headache might be a surrogate marker of the molecular mechanisms involved in neurological worsening after acute stroke.
Subject
Clinical Neurology,General Medicine
Cited by
40 articles.
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