Fibrinogen and the amount of leukoaraiosis in patients with symptomatic small-vessel disease

Joan Martí-Fàbregas, Carlos Valencia, Jesús Pujol, Carmen García-Sánchez, Josep Lluis Martí-Vilalta

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Abstract

We investigated whether there is a direct correlation between plasma fibrinogen levels and the amount of leukoaraiosis (LA) in patients with symptomatic small-vessel disease. The study included 28 patients: 12 with a first-ever lacunar infarction (LI) and 16 with Binswanger's disease (BD). The mean age was 71 years (SD 8.6), and 21 were men. For each patient, we recorded demographic data, vascular risk factors and the results of blood chemistry analysis including fibrinogen (g/l), hematocrit (decimal fraction) and total serum proteins (g/l). A cerebral MR scan was performed in each patient and an LA score was obtained by an investigator blind to clinical data, using a semiquantified scale in six areas of each cerebral hemisphere (0-4 points in each area, total scoring range 0-48 points). Results: The mean (SD) for the LA score was 18.9 (10.7) and for plasma fibrinogen 3.97 (1.1). Pearson's and Spearman's correlation coefficients between fibrinogen and LA score were 0.43 (p = 0.02) and 0.49 (p = 0.007), respectively. Multiple-regression analysis between groups (LI or BD) and fibrinogen versus LA score showed the strongest association for the BD group (p = 0.014) and a direct relation with fibrinogen (p = 0.018). No statistically significant association was found between LA score and age, sex, any vascular risk factor, hematocrit or total serum protein. Conclusion: There is a significant correlation between plasma fibrinogen levels and the amount of LA in patients with symptomatic cerebral small-vessel disease. This result suggests that fibrinogen may be involved in the pathophysiology of LA in these patients. Copyright © 2002 S. Karger AG.
Original languageEnglish
Pages (from-to)185-190
JournalEuropean Neurology
Volume48
DOIs
Publication statusPublished - 1 Jan 2002

Keywords

  • Binswanger's disease
  • Fibrinogen
  • Lacunar infarction
  • Leukoaraiosis

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