Abstract
We investigated heparin influence on P-selectin (platelet adhesion molecule), and the association of P-selectin with antibodies against heparin-platelet factor 4, known mediators of heparin induced thrombocytopenia (HIT) occurring in about 5% of vascular patients. This cohort study included 78 patients, 22 to 90 years old (mean age +/- SD, 66.5 +/- 12.2 years), suffering from arterial thromboembolism (n = 43), deep vein thrombosis (n = 21), and peripheral arterial occlusive disease (PAOD) (n = 14). Plasma P-selectin was tested by ELISA before heparin administration (day 1), and under heparin treatment (day 7). HIT antibodies on day 7 were assayed using a sandwich-type ELISA. Platelets and fibrinogen were measured on days 1 and 7. P-selectin was also examined in 30 healthy controls, 22 to 81 years old (49.8 +/- 16.4 years). On day 7, patients with PAOD had increased P-selectin and HIT antibodies, and decreased platelets compared with patients with arterial thromboembolism or deep vein thrombosis, in whom P-selectin decreased, and HIT antibodies were mostly negative. Fibrinogen increased in all patients. HIT antibody titers and P-selectin were positively associated and were increased in nine patients who developed lower limb arte...Continue Reading
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May 20, 2011·Clinical and Applied Thrombosis/hemostasis : Official Journal of the International Academy of Clinical and Applied Thrombosis/Hemostasis·Eduardo RamacciottiThomas W Wakefield
Jan 21, 2015·Clinical and Applied Thrombosis/hemostasis : Official Journal of the International Academy of Clinical and Applied Thrombosis/Hemostasis·Kheirollah GholamiSaleh Maleki
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