RT Book, Section A1 Lichtman, Marshall A. A1 Kaushansky, Kenneth A1 Prchal, Josef T. A1 Levi, Marcel M. A1 Burns, Linda J. A1 Armitage, James O. SR Print(0) ID 1133366117 T1 Inherited Deficiencies of Coagulation Factors II, V, V + VIII, VII, X, XI, and XIII T2 Williams Manual of Hematology, 9e YR 2017 FD 2017 PB McGraw-Hill Education PP New York, NY SN 9781259642470 LK hemonc.mhmedical.com/content.aspx?aid=1133366117 RD 2024/04/25 AB Inherited deficiencies of coagulation factors other than factor VIII (hemophilia A) and factor IX (hemophilia B) are rare bleeding disorders that occur in most populations.Patients are usually homozygotes or compound heterozygotes.Factor XI and factor VII deficiency occur relatively frequently, and other deficiencies are relatively rare (Table 81–1).The severity of the bleeding disorder usually relates to the severity of the factor deficiency.All may be caused by decreased synthesis of a specific coagulation factor, by synthesis of a dysfunctional form of the coagulation factor, or both.Inherited deficiency of a coagulation factor does not protect patients from thrombosis.