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Chapter 137 Rare Coagulation Factor Deficiencies 2037
Pregnancy: Suggested Plasma Levels for Invasive Procedures and Delivery Maintain at 100 mg/dL throughout pregnancy 20%–30% 15%–25% 10%–20% 10%–20% May withhold treatment unless bleeding. 20%–40% if bleeding occurs 250 units/wk through wk 22, then 500 units/ wk with a 1000 unit bolus during labor
Prophylaxis for Severe Deficiency Keep level 50 mg/dL for recurrent bleeders 40 factor IX units/kg Q 5–6 days Not usually required 20–30 µg/kg 2–3 times per wk 15–20 factor X units/kg weekly. 40–50 Factor X units twice weekly Not required 40 factor XIII units/ kg q 28 days
Dosing Frequency for Surgery or Bleeding Q 24–72 h depending on consumption Q 48–72 h Q 12–24 h Q 2–12 h Q 24 h Q 1–2 days Single dose may be sufficient
Dose of Preferred Treatment for Surgery or Bleeding 20–30 mg/kg b FFP 15–20 mL/ kg Cryo 1 bag/10 kg 20–30 factor IX units/kg 20 mL FFP/kg then 5–10 mL/kg q12 h 15–30 µg factor VIIa/kg PCC: 15–20 factor IX units/kg FX: 25 factor X units/kg 15–20 factor XI units/kg 20–30 factor XIII units/kg
Minimum Plasma Level Required for Surgery 100 mg/dL until healing complete 30% 25% 15%–25% 25%–40% 30%–40% 20%–50%
Treatment Considerations for Rare Coagulation Factor Deficiencies.
Minimum Plasma Level Required for Hemostasis >50 mg/dL ~5% ~10% 5%–10% ~10% 15% 1%–2%
Concentrate (Manufacturer) RiaSTAP (CSL Behring) a PCC a None NovoSeven, recombinant Factor VIIa (Novo Nordisk) a ; PCC PCC a ; Coagadex, Factor X concentrate (BioProducts Laboratory) Hemoleven (LFB Biomedicaments); Factor XI concentrate (Bio Products Laboratory) Corifact a (Formerly Fibrogammin P, CSL Behring); Recombinant Factor XIII (Tretten, Novo Nordisk) CRYO, Cryoprecipitate; FFP, fresh frozen plasma; PCC, pr
Blood Product Sources CRYO FFP FFP FFP a platelets FFP FFP FFP a CRYO FFP a Preferred treatment for congenital deficiency b Assuming baseline fibrinogen is not known.
TABLE 137.3 Protein Fibrinogen Prothrombin Factor V Factor VII Factor X Factor XI Factor XIII

