Platelet degranulation and monocyte-platelet complex formation are increased in the acute and convalescent phases after ischaemic stroke or transient ischaemic attack.
AuthorsMcCabe, Dominick J H
Mackie, Ian J
Sidhu, Paul S
Lawrie, Andrew S
Brown, Martin M
Machin, Samuel J
AffiliationStroke Research Unit, Department of Headache, Brain Injury and Rehabilitation, Institute of Neurology, The National Hospital for Neurology and Neurosurgery, University College London, London, UK. firstname.lastname@example.org
Ischemic Attack, Transient
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CitationPlatelet degranulation and monocyte-platelet complex formation are increased in the acute and convalescent phases after ischaemic stroke or transient ischaemic attack. 2004, 125 (6):777-87 Br. J. Haematol.
PublisherBritish journal of haematology
JournalBritish journal of haematology
AbstractFlow cytometric studies suggest that platelets are activated in ischaemic stroke or transient ischaemic attack (TIA). However, few studies have measured circulating leucocyte-platelet complexes in this patient population. Whole blood flow cytometry was used to quantify the expression of CD62P-, CD63-, and PAC1-binding, and the percentages of leucocyte-platelet complexes in acute (1-27 d, n = 79) and convalescent (79-725 d, n = 70) ischaemic cerebrovascular disease (CVD) patients compared with controls without CVD (n = 27). We performed a full blood count, and measured plasma levels of soluble P-selectin, soluble E-selectin, and von Willebrand factor antigen (VWF:Ag) as additional markers of platelet and/or endothelial cell activation. The median percentage CD62P expression and the median percentage monocyte-platelet complexes were higher in both acute and convalescent CVD patients than controls (P
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