Cryoprecipitate

How to Cite This Chapter: Morin P-A, Ning S, Łętowska M, Rosiek A. Cryoprecipitate. McMaster Textbook of Internal Medicine. Kraków: Medycyna Praktyczna. https://empendium.com/mcmtextbook/chapter/B31.II.15.62.4.2. Accessed November 30, 2021.
Last Updated: February 19, 2020
Last Reviewed: January 22, 2021
Chapter Information

Cryoprecipitate contains a fraction of cryoglobulins obtained from 1 unit of slowly thawed frozen plasma (FP) and concentrated to a volume of ~10 mL. It contains fibrinogen (285 ± 88 mg) and is used for fibrinogen replacement. Cryoprecipitate also contains factor VIII, von Willebrand factor, factor XIII, and fibronectin. It may be stored at ≤−18 degrees Celsius for up to 12 months. Thawed cryoprecipitate should not be refrozen.

IndicationsTop

1. Patients with fibrinogen levels <2 g/L and extreme life-threatening bleeding, including postpartum hemorrhage.

2. Patients with fibrinogen levels <1.5 g/L and acute promyelocytic leukemia.

3. Patients with fibrinogen levels <1 g/L and microvascular bleeding.

4. Patients with congenital afibrinogenemia or hypofibrinogenemia.

ProcedureTop

The recommended dosing of cryoprecipitate is 1 unit per 10 kg, or typically 10 units in an adult for a single dose. Each dose is anticipated to increase the recipient’s fibrinogen level by 0.5 g/L. The recommended infusion time is 10 to 30 minutes per dose, with a maximum infusion time of 4 hours. Recipients can be transfused with cryoprecipitate of any ABO blood group, although in neonates and young children ABO compatibility is recommended. Rh need not be considered.

In Canada, fibrinogen concentrate (FC) is available as a lyophilized pathogen-inactivated product, which can also be used for fibrinogen replacement. A dose of 4 g of FC provides a similar quantity of fibrinogen as compared with 10 units of cryoprecipitate.

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