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Updated: Feb 15, 2026
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Polyelectrolyte Complex for Heparin Binding Domain Osteogenic Growth Factor Delivery
Published on: August 22, 2016
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Protocolized warfarin reversal with 4-factor prothrombin complex concentrate versus 3-factor prothrombin complex
Cassie A Barton1, Marissa Hom1, Nathan B Johnson1
1Department of Pharmacy, Oregon Health & Science University, 3181 SW Sam Jackson Park Rd, Portland, OR 97239, USA.
American Journal of Surgery
|January 18, 2018
Summary
Four-factor prothrombin complex concentrate (4F PCC) effectively reverses warfarin anticoagulation and shows a lower risk of thromboembolic complications compared to three-factor PCC with recombinant factor VIIa (rFVIIa). This finding is crucial for managing warfarin-related bleeding events.
Area of Science:
- Hematology
- Pharmacology
- Critical Care Medicine
Background:
- Warfarin therapy can lead to life-threatening bleeding.
- Rapid reversal of anticoagulation is critical for hemostasis.
Purpose of the Study:
- To compare the efficacy and safety of two rapid warfarin reversal strategies.
- Evaluate four-factor prothrombin complex concentrate (4F PCC) versus three-factor PCC (3F PCC) with recombinant factor VIIa (rFVIIa).
Main Methods:
- Retrospective cohort study of 195 warfarin-treated patients with life-threatening bleeding.
- Comparison of reversal protocols using 4F PCC or 3F PCC with rFVIIa.
- Data collection included demographics, clinical information, anticoagulant reversal, and adverse events.
Main Results:
- The 3F PCC group had longer ICU stays and higher mortality.
- Post-reversal INR was significantly lower with 3F PCC (0.8) compared to 4F PCC (1.3).
- Thromboembolic complications were significantly higher in the 3F PCC group, associated with rFVIIa use.
Conclusions:
- A 4F PCC reversal strategy is effective for INR reversal.
- 4F PCC offers a lower thromboembolic risk compared to 3F PCC with rFVIIa for warfarin reversal.
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