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Multiple Choice

Fibrinogen-based deficiencies are treated with which of the following?

Replacing fibrinogen directly is essential because fibrinogen deficiency lowers the ability to form the initial clot mesh. Cryoprecipitate provides a concentrated source of fibrinogen (along with several other factors that help clot formation) from plasma, so it raises fibrinogen levels more efficiently than other products. This makes it the most effective option for treating fibrinogen-based deficiencies. Platelet transfusion alone doesn’t increase fibrinogen levels; it improves platelet quantity or function. Vitamin K affects only vitamin K–dependent factors and does not raise fibrinogen. Fresh frozen plasma contains all clotting factors, including some fibrinogen, but in a more diluted form and in larger volumes, making it less efficient for correcting low fibrinogen quickly. In many settings, cryoprecipitate is the preferred therapy for fibrinogen deficiency; fibrinogen concentrate is an alternative when available.

Replacing fibrinogen directly is essential because fibrinogen deficiency lowers the ability to form the initial clot mesh. Cryoprecipitate provides a concentrated source of fibrinogen (along with several other factors that help clot formation) from plasma, so it raises fibrinogen levels more efficiently than other products. This makes it the most effective option for treating fibrinogen-based deficiencies.

Platelet transfusion alone doesn’t increase fibrinogen levels; it improves platelet quantity or function. Vitamin K affects only vitamin K–dependent factors and does not raise fibrinogen. Fresh frozen plasma contains all clotting factors, including some fibrinogen, but in a more diluted form and in larger volumes, making it less efficient for correcting low fibrinogen quickly.

In many settings, cryoprecipitate is the preferred therapy for fibrinogen deficiency; fibrinogen concentrate is an alternative when available.