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Updated: Sep 4, 2025

Live Imaging and Quantification of Viral Infection in K18 hACE2 Transgenic Mice Using Reporter-Expressing Recombinant SARS-CoV-2
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Challenging treatment for refractory acquired haemophilia A complicated with severe severe acute respiratory

Tamara Lado Cives1, Marta Fernández Docampo, María Teresa Fernández Fernández

  • 1Complexo Hospitalario Universitario de A Coruña, Hospital Materno Infantil, A Coruña, Spain.

Blood Coagulation & Fibrinolysis : an International Journal in Haemostasis and Thrombosis
|July 14, 2022
PubMed

Immunosuppressive treatment and bypassing agents are used to treat acquired haemophilia A (AHA). On the other hand, COVID-19 infection induces a hypercoagulable state. Managing bleeding, risk of thrombosis, bypassing agents, active infection and immunosuppressive treatment can be challenging. A 72-year-old man was diagnosed with acquired hemophilia A. He received steroids, rituximab and recombinant activated factor VII (rFVIIa). He developed severe SARS-CoV-2 infection. Due to thrombotic risk, he received low-molecular-weight heparin (LMWH) and developed an iliopsoas hematoma. Because of the risk of thrombosis, treatment with recombinant porcine FVIII (rpFVIII) was requested. Tocilizumab was administered for treatment of SARS-CoV-2 infection and unexpected improvement of FVIII levels was noted. Concluding, rpFVIII treatment was well tolerated and effective, easy to monitor and to administer. Tocilizumab may play a role as immunosuppressive treatment for AHA. The role of LMWH remains to be established in patients with coagulopathies.

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