Rare inherited bleeding disorders secondary to coagulation factors in Jordan: a nine-year study.

This work reports on rare inherited coagulation factors defects which were seen in a developing country over a 9-year period. There were a total of 30 cases which fulfilled this diagnosis. Fibrinogen abnormalities were the most frequently encountered. There were 10 patients with afibrinogenemia, 2 with hypofibrinogenemia and 1 case with dysfibrinogenemia. Factor XI deficiency was found in 7 patients, factor V and VII deficiencies accounted for 3 cases each. Factor X and XIII deficiencies were found in 2 patients each. All these rare deficiencies accounted for 10% of all inherited bleeding disorders in the population studied over 9 years.