Hemostasis abnormalities in patients with vascular dementia and Alzheimer's disease

D. Mari, L. Parnetti, R. Coppola, B. Bottasso, G. P. Reboldi, U. Senin, P. M. Mannucci

Research output: Contribution to journalArticlepeer-review


Since it has not been established to what extent abnormalities of hemostasis contribute to the occurrence and development of dementia, selected measurements of coagulation and fibrinolysis were obtained in elderly patients with Alzheimer's disease (n = 22) or vascular dementia (n = 29), compared with healthy individuals in the same age range (n = 61). Hemostasis abnormalities were more frequent and marked in vascular dementia, being expressed as significant increases of plasminogen activator inhibitor type 1, von Willebrand factor, D-dimer and activated factor VII. However, some hemostasis measurements (von Willebrand factor, activated factor VII) were abnormally high also in the patients with Alzheimer's disease, a condition in which vascular damage is not considered to play a major pathogenetic role. It could not be established in this study whether or not these hemostatic abnormalities play a causal role in the pathogenesis of dementia, or whether they are secondary to inflammation and chronic vascular disease. Nevertheless, their presence may contribute to aggravating vascular disease.

Original languageEnglish
Pages (from-to)216-218
Number of pages3
JournalThrombosis and Haemostasis
Issue number2
Publication statusPublished - Feb 1996

ASJC Scopus subject areas

  • Hematology


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