... thrombin-activatable fibrinolysis inhibitor; TFPI, tissue factor pathway inhibitor. Chapter 059. Bleeding and Thrombosis (Part 6) Underlying Systemic Diseases that Cause or Exacerbate a Bleeding Tendency ... malignancy, medications such as hormonal therapy, obesity, and genetic predispositions. Factors that increase risks for venous and both venous and arterial thromboses are shown in Table 59-3. Age ... Coagulation factors II, VII, IX, X and proteins C, S, and Z are dependent on vitamin K for posttranslational modification. Although Vitamin K is required in both procoagulant and anticoagulant processes,...