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Fatal vaccine-induced immune thrombotic thrombocytopenia (VITT) post Ad26.COV2.S: first documented case outside US.

Elsa V C RodriguezFatima-Zohra BouazzaNicolas DaubyFrançois MullierStéphanie d'OtreppePatrice Jissendi TchofoMagali BartiauxCamille SirjacquesAlain RomanCedric HermansManuel Cliquennois
Published in: Infection (2021)
Even though it is an extremely rare complication of vaccination physicians should maintain a high index of suspicion of VITT in patients who received an adenovirus-vector-based SARS-CoV-2 vaccine within the last 30 days with persistent complains compatible with VITT or thromboembolic event associated with thrombocytopenia. The diagnosis should not be excluded if the rapid anti-PF4 immunological nor chemiluminescence techniques yield negative results. An adapted functional assay should be performed to confirm the diagnosis. Early treatment with intravenous immunoglobulin and non-heparin anticoagulants is essential as delayed diagnosis and administration of appropriate treatment is associated with poor prognosis.
Keyphrases
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