Management of Trauma Hemorrhage: Possible Role of Kcentra, a 4-factor Prothrombin Complex Concentrate Joli Dace, PharmD, BCPS Mercy Hospital and Trauma Center Saving Lives By Strengthening Our Region’s Trauma Care System Objectives Define PCC Differentiate PCCs available in US Identify action in coagulation cascade Compare Kcentra with FFP Review use of Kcentra in trauma: Emergent reversal of oral anticoagulants Management of trauma hemorrhage Discuss Kcentra nursing considerations What are PCCs? Prothrombin complex concentrates Concentrated clotting factors derived from pooled human plasma PCC Products Available in US Therapeutic Clotting Factors Profilnine SD® II, IX, X 3f-PCC Kcentra® II, IX, X, VII 4f-PCC BeriPlex® P/N (outside US) Activated 4f-PCC Feiba® NF II, IX, X, aVII Alternative Names Factor VIII Inhibitor Bypassing Activity Coagulation Cascade Tanaka KA, Key NS, Levy JH. Blood Coagulation: Hemostatis and Thrombin Regulation. Anesth Analg. 2009;108:1433-46. Comparison: Kcentra and FFP Kcentra® 3-6,18 FFP Clotting Factors II, VII, IX, X II, V, VII – XIII; fibrinogen Anticoagulants AT, heparin, protein C & S protein C & S Preparation Dilute each vial with 20mL Thaw; ABO match Volume Average 40 -100 mL/dose Average 30 mL/kg •Weight-based (~8-20min) Administration Rate •7x faster than FFP 3 Less volume and faster administration = faster Considerations restoration of factor levels3 Each unit over 30-60 min Dilutional coagulopathy Risk of transfusion-related acute lung injury Emergent Warfarin 2,3,4,7 Reversal Acute major bleed (head, spine, uncontrolled GI, extremity with risk of compartment syndrome) or Urgent surgery or invasive procedure within 6h2 INR Reversal ≤ 1.5 vitamin K 5 - 10 mg IV STAT 1.6 – 1.9 vitamin K + FFP 2.0 – 3.9 vitamin K + Kcentra 25 un/kg (max 2500 un) 4.0 – 6.0 vitamin K + Kcentra 35 un/kg (max 3500 un) > 6.0 vitamin see K + Kcentra For non-emergent warfarin reversal, 2012 50 un/kg (max 5000 un) Chest Guideline vitamin K recommendations7. Emergent NOAC (Novel Oral Anticoagulants)Reversal Strategies8-12 NOAC Drug Class Factor Xa Inhibitors NOAC Agents apixaban (Eliquis) rivaroxaban (Xarelto) Direct Thrombin (IIa) Inhibitor dabigatran (Pradaxa) Coagulation Tests anti-Xa, PT, aPTT ECT, dilute TT, aPTT Activated Charcoal? Yes, if last dose < 2h ago. Yes, if last dose < 2h ago. Hemodialysis? Not useful. Yes – prolonged (2h+) PCC to reverse? Kcentra 25 – 50 un/kg Kcentra 25 – 50 un/kg Alternative Reversals? ? FEIBA 25 un/kg10 aDabi-Fab (future)11 Management of Trauma Hemorrhage – Standards of Care16 Consider TXA early (bleeding or at risk) Correct hypothermia, acidosis, hypotension Maintain Hgb (7-9 g/dL), plts (50-100k) Fibrinogen – maintain > 1.5 – 2 mg/dL19 Depleted earlier than blood factors Risk factors for low fibrinogen level on admission14: at 142% blood loss vs. 200-240% before fII, fVII critically low13 injury severity score, shock, SBP<90, prehospital fluid volume Calcium – maintain iCa > 0.920 PCC in Trauma Hemorrhage Evidence-supported benefit? Thrombosis risk: low (0-1.4% for current 4fPCCs) Lack of prospective trials demonstrating mortality benefit Retrospective reports demonstrate decreased INR, bleeding, need for PRBCs, stabilized blood pressure22-25 Guidelines differ16,17; local use positive Exclusion criteria: DIC, HIT optimal Kcentra dose: unclear. (?25-50 un/kg; max 100kg) Possibly consider Kcentra for: Massive hemorrhage unresponsive to conventional tx TEG-guided: ongoing bleed with CT > 90s15 Hgb-driven “Coagulation Box” model: Hgb < 5.526 Kcentra – Nursing Considerations Verbal orders Clarify which “PCC”, what un/kg dose (fIX), indication Contact blood bank or pharmacy to alert of STAT order Administration Concentration, dose and rate vary (~10-20 min) Emergent reversal. Give ASAP (expires 4hrs after mixed) Document lot numbers (blood product) Monitor for allergic reactions and thrombosis (0.9-1.4%) Cost References 1. Tanaka KA, Key NS, Levy JH. Blood Coagulation: Hemostatis and Thrombin Regulation. Anesth Analg. 2009;108:1433-46. 2. National Advisory Committee on Blood and Blood Products. Recommendations for use of prothrombin complex concentrates in Canada. Accessed on 11/7/2014. http://www.nacblood.ca/guidelines/PCC-Recommendations-Final-2014-05-16.pdf. 3. Kcentra website: www.Kcentra.com. Maintained by CSL Behring. Accessed on 11/7/14. 4. Lexi-Comp, Inc. (Lexi-Drugs). Lexi-Comp, Inc.;January 29, 2015. 5. Tanaka KA, Szlam F. Treatment of massive bleeding with prothrombin complex concentrate: argument for. J Thromb Haemost. 2010;8:2589-91. 6. Godier A, Susen S, Samama C-M. Tanaka KA, Szlam F. Treatment of massive bleeding with prothrombin complex concentrate: argument against. J Thromb Haemost. 2010;8:2592-95 7. Holbrook A, Schulman S, Witt DM, et al. Evidence-Based Management of Anticoagulant Therapy. Antithrombotic Therapy and Prevention of Thrombosis, 9th ed: American College of Chest Physicians Evidence-Based Clinical Practice Guidelines. Chest. 2012;141(2)(Suppl):e152S-e184S. 8. Nutescu EA, Dager WE, Kalus JS, Lewin JJ, Cipolle MD. Management of bleeding and reversal strategies for oral anticoagulants: Clinical Practice Considerations. Am J Health-Syst Pharm. 2013;70:1914-1929. 9. Tran H, et al. New oral anticoagulants: a practical guide on prescription, laboratory testing and peri-procedural/ bleeding management. Int Med J. 2014;44:525-536. 10. Dager WE, Gosselin RC, Roberts AJ. Reversing dabigatran in life-threatening bleeding occurring during cardiac ablation with factor eight bypassing activity. Crit Care Med. 2013; 41(1):e42-46. 11. Grottke O, van Ryn J, Sprink HMH, Rossaint R. Prothrombin complex concentrates and a specific antidose to dabigatran are effective ex-vivo in reversing the effects of dabigatran in an anticoagulation/liver trauma experimental model. Crit Care. 2014;18:R27. 12. Dickneite G. Prothrombin Complex Concentrates as Reversal Agents for New Oral Anticoagulants: lessons from preclinical studies with Beriplex. Clin Lab Med. 2014;34:623-635. References, cont. 13. Hiippala ST, Mllyla GJ, Vahtera EM. Hemostatic Factors and Replacement of Major Blood Loss with Plasma-Poor Red Cell Concentrates. Anesth Analg. 1995;81:360-5. 14. Rourke C, et al. Fibrinogen levels during trauma hemorrhage, response to replacement therapy, and association with patient outcomes. J Thromb Haemost. 2012;10:1342-51. 15. Sorensen B, Fries D. Emerging treatment strategies for trauma-induced coagulopathy. Brit J Surg. 2012;99(Suppl1): 40-50. 16. Spahn DR, et al. Management of bleeding and coagulopathy following major trauma: an updated European guideline. Crit Care. 2013;17:R76. 17. Kozek-Langenecker SA, et al. Management of severe perioperative bleeding. Guidelines from the European Society of Anaesthesiology. Eur J Anaesthesiol. 2013;30:270-382. 18. Fries D. The early use of fibrinogen, prothrombin complex concentrate, and recombinant-activated factor VIIa in massive bleeding. Transfusion. 2013;53(s):91s-95s. 19. Tanaka KA, Esper S, Bolliger D. Perioperative factor concentrate therapy. Brit J Anaesth. 2013;111(S1): i35-i49. 20. Schochl H, Grassetto A, Schlimp CJ. Management of Hemorrhage in Trauma. J Cardiothor Vasc Anesth. 2013;27(4): S35-S43. 21. Franchini M, Lippi G. Prothrombin complex concentrates: an update. Blood Transfus. 2010;8:149-54. 22. Joseph B, et al. Factor IX complex for the correction of traumatic coagulopathy. J Trauma. 2010;72(4):828-834. 23. Schick KS, Fertmann JM, Jauch KW, Hoffmann JN. Prothrombin complex concentrates in surgical patients: retrospective evaluation of vitamin K antagonist reversal and treatment of severe bleeding. Crit Care. 2009;13:R191. 24. Carvalho MC, Rodrigues AG, Conceicao LM, Galvao ML, Ribeiro LC. Prothrombin complex concentrate (Octaplex): a Portuguese experience in 1152 patients. Blood Coag Fibrin. 2012;23:222-228. 25. Lorenz R, et al. Efficacy and safety of a prothrombin complex concentrate [Beriplex] with two virus-inactivation steps in patients with severe liver damage. Eur J Gastroenterol Hepatol. 2003;15:15-20. 26. Hilbert P, et al. The “Coagulation Box” and a New Hemoglobin-Driven Algorithm for Bleeding Control in Patients with Severe Multiple Traumas. Arch Trauma Res. 2013;2(1):1-10. 27. Majeed A, Eelde A, Agren A, et al. Thromboembolic safety and efficacy of prothrombin complex concentrates in the emergent reversal of warfarin coagulopathy. Thromb Res. 2012;129:146-51. 28. Innerhofer P, et al. The exclusive use of coagulation factor concentrates enables reversal of coagulopathy and decreases transfusion rates in patients with major blunt trauma. Injury, Int J Care Injured. 2013;44:209-216.
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