Prothrombin complex concentrate
Encyclopedia
Prothrombin Complex Concentrate (PCC) (trade name
Trade name
A trade name, also known as a trading name or a business name, is the name which a business trades under for commercial purposes, although its registered, legal name, used for contracts and other formal situations, may be another....

 Beriplex or Octaplex) is a combination of blood clotting factors II, VII, IX and X, as well as protein C
Protein C
Protein C, also known as autoprothrombin IIA and blood coagulation factor XIV, is a zymogenic protein, the activated form of which plays an important role in regulating blood clotting, inflammation, cell death and maintaining the permeability of blood vessel walls in humans and other animals...

 and S
Protein S
Protein S is a vitamin K-dependent plasma glycoprotein synthesized in the endothelium. In the circulation, Protein S exists in two forms: a free form and a complex form bound to complement protein C4b. In humans, protein S is encoded by the PROS1 gene...

. It reverses the effect of warfarin
Warfarin
Warfarin is an anticoagulant. It is most likely to be the drug popularly referred to as a "blood thinner," yet this is a misnomer, since it does not affect the thickness or viscosity of blood...

(a coumarin anti-coagulant) and is used in cases of significant bleeding in patients with a coagulopathy (INR > 8.0, prolonged prothrombin time, raised d-dimer). Examples include gastrointestinal haemorrhage or intracranial haemorrhage.

PCC is effective but expensive. In the UK is prescribed in discussion with a senior haematologist.
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