Cryoprecipitate
Cryoprecipitate[edit | edit source]
Introduction[edit | edit source]
Cryoprecipitate, often referred to as cryo, is a frozen blood product derived from blood plasma. It is used in medical settings primarily for its clotting properties.
Production Process[edit | edit source]
Cryoprecipitate is produced through a process of thawing fresh frozen plasma at temperatures between 1–6 °C. The plasma is then centrifuged, and the precipitate formed is collected. This precipitate is resuspended in a small volume of residual plasma, usually about 10–15 mL, and re-frozen for storage.
Composition and Uses[edit | edit source]
Cryoprecipitate contains a concentration of several clotting factors, including:
- Factor VIII (antihaemophilic factor)
- Fibrinogen
- Von Willebrand factor
- Factor XIII
- Fibronectin
It is primarily used for its clotting properties in treating conditions such as:
- Hemophilia A
- Von Willebrand disease
- Hypofibrinogenemia
- Uremic bleeding
Transfusion Practices[edit | edit source]
Cryoprecipitate is often transfused in adult patients as two 5-unit pools. This method of administration increases the concentration of clotting factors in the patient's blood.
Modern Clinical Use and Alternatives[edit | edit source]
While cryoprecipitate was once a primary choice for treating clotting factor deficiencies, its use has diminished with the availability of clotting factor concentrates. These concentrates offer more precise dosing and reduced risk of blood-borne infections. However, cryoprecipitate remains a valuable resource in certain clinical contexts where factor concentrates are not available or appropriate.
Safety and Storage[edit | edit source]
Cryoprecipitate, like other blood products, is stored in a frozen state and requires careful handling to maintain its efficacy and safety. Blood screening and donor testing are crucial to minimize the risk of transmitting infections.
Research and Development[edit | edit source]
Ongoing research in the field of hematology continues to explore the efficacy and safety of cryoprecipitate, as well as the development of more refined blood products and synthetic alternatives.
See Also[edit | edit source]
References[edit | edit source]
External Links[edit | edit source]
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