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How to stop bleeding in the ER caused by warfarin

Date:
August 11, 2013
Source:
American College of Emergency Physicians
Summary:
Prothrombin complex concentrates (PCCs) are faster and more effective than fresh frozen plasma at reversing hemorrhage caused by the anti-coagulant warfarin, despite plasma being the most commonly used therapy.

Prothrombin complex concentrates (PCCs) are faster and more effective than fresh frozen plasma at reversing hemorrhage caused by the anti-coagulant warfarin, despite plasma being the most commonly used therapy. A literature review published last month in Annals of Emergency Medicine suggests that physicians in the United States should join those around the world in following recommendations of multiple specialty organizations to use PCCs as the first line of defense in this common and life-threatening emergency ("Rapid Reversal of Warfarin-Associated Hemorrhage in the Emergency Department by Prothrombin Complex Concentrates").

"The typical remedies for hemorrhage caused by warfarin are slow and unpredictable," said author Kenneth Frumkin, PhD, MD of the Naval Medical Center in Portsmouth, Va. "By contrast, prothrombin complex concentrates reverse warfarin anticoagulation in minutes rather than hours. Its relative underuse in the U.S. compared to other countries seems to derive from lack of familiarity and infrequent availability."

PCCs (products made from pooled human plasma) were initially developed to treat hemophilia. They can be infused rapidly and generally reverse anticoagulation three to five times faster than fresh frozen plasma, which must be thawed. Recombinant Activated Factor VII (Factor rVIIa), while approved in the United States only for surgery or bleeding in hemophiliacs, has been used to reverse warfarin-associated bleeding. Factor rVIIa works faster than fresh frozen plasma, but carries more risk and costs much more.

"The April 2013 approval by the Food and Drug Administration of a form of PCC specifically intended for warfarin reversal should expand the use of these life-saving products," said Dr. Frumkin.

The views expressed by Dr. Frumkin are his own, and do not necessarily reflect the official policy or position of the Department of the Navy, Department of Defense, or the United States Government.


Story Source:

The above story is based on materials provided by American College of Emergency Physicians. Note: Materials may be edited for content and length.


Journal Reference:

  1. Kenneth Frumkin. Rapid Reversal of Warfarin-Associated Hemorrhage in the Emergency Department by Prothrombin Complex Concentrates. Annals of Emergency Medicine, 2013; DOI: 10.1016/j.annemergmed.2013.05.026

Cite This Page:

American College of Emergency Physicians. "How to stop bleeding in the ER caused by warfarin." ScienceDaily. ScienceDaily, 11 August 2013. <www.sciencedaily.com/releases/2013/08/130804081119.htm>.
American College of Emergency Physicians. (2013, August 11). How to stop bleeding in the ER caused by warfarin. ScienceDaily. Retrieved October 22, 2014 from www.sciencedaily.com/releases/2013/08/130804081119.htm
American College of Emergency Physicians. "How to stop bleeding in the ER caused by warfarin." ScienceDaily. www.sciencedaily.com/releases/2013/08/130804081119.htm (accessed October 22, 2014).

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