NEW LABORATORY FACTORS OF THROMBOSES

Hypercoagulability states are caused by a disturbance of blood rheolog y due to the presence or pathological absence of a clotting factor, Th ese abnormalities of haemostasis are essentially studied in the contex t of venous thrombosis, Over the years, in parallel with the progress in therapeutics, new laboratory abnormalities have been discovered and other, previously described, factors have been recently correlated wi th thrombotic phenomena. Based on a review of the literature, the auth ors describe the pathogenic role and the place of these various labora tory abnormalities in thromboembolic disease.