• Sezaneh Haghpanah, Mehran Karimi, Mohammadreza Bordbar, Rosa Kamfiroozi, and Hafezeh Asgharzadeh.
• Hematology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.
• Clin. Appl. Thromb. Hemost. 2013 Jun 1;19(3):277-81.

AbstractWe evaluated the effectiveness and safety of prothrombin complex concentrate (PCC) in urgent warfarin reversal in Iran. This is a nonrandomized, pre-post intervention study. Thirty-seven high-risk patients with prolonged international normalized ratio ([INR] >8) or with bleeding symptoms were enrolled in this study. Prothrombin complex concentrate was infused with a dose of 22.4 ± 11.2 IU/kg. The INR was measured 30 minutes postinfusion. Mean age of the participants was 63.9 ± 14.5 (22-89 years). After 30 minutes of PCC injection, INR reversed to <3.5 in 31 patients (84%) in whom 12 patients achieved INR 1.5 to 2.5, and 19 patients achieved INR 2.5 to 3.5. Bleeding symptoms were subsided during 0.5 hour after PCC infusion in patients with hemorrhagic symptoms. Not any adverse reaction was observed in patients during 3-month follow-up. Our experience in use of single injection of PCC in high-risk patients with prolonged INR or with bleeding symptoms was successful without any complication.

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