[Thrombosis and cardiovascular diseases].

Thrombosis represents the propensity toward arterial and/or venous thrombotic events. Many causes of thrombosis are now known: clinical predisposing factors (recent major surgery, varices of lower limbs, prolonged bedrittening); immunological, hematological and liver diseases; inborn or acquired coagulation factors' or plasmatic proteins' deficiency; platelets disfunction. Thrombotic screening of affected individuals is fundamental to adjust dosage and length of therapy, for secondary prevention and for relatives evaluation.