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Article Dans Une Revue International Journal of Laboratory Hematology Année : 2021

Heparin-induced thrombocytopenia leading to a diagnosis of essential thrombocythemia

Résumé

Essential thrombocythemia (ET) belongs to the “BCR-ABL-negative” subcategory of myeloproliferative neoplasms (MPN) along with polycythemia vera (PV) and primary myelofibrosis (PM). Various recurrent molecular alterations have been described in classical MPN, such as JAK2 V617F, MPL W515L/K mutations, and deletion or insertions in the calreticulin (CALR) gene.1 MPN are known for high incidence of thrombotic complications, with a predominance of arterial rather than venous events (16.2% vs 6.2%). Indeed, the prevalence of overall thrombosis has been described in 28.6%, 20.7%, and 9.5% of patients with PV, ET, and PM, respectively.2 In addition to the traditional risk factors of thrombosis, blood cells count, mutational profile, chronic inflammation, and abnormal cell adhesion appear to be specific risk factors of thrombosis in MPN-patients.3 The classical initial treatment of these thrombotic complications includes unfractionated heparin (UFH).
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Dates et versions

hal-03188947 , version 1 (07-09-2021)

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Paternité - Pas d'utilisation commerciale

Identifiants

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Adeline Pontis, Jessica Valaize, Martin Kerleveo, Pierre Gueret, Marc Bernard, et al.. Heparin-induced thrombocytopenia leading to a diagnosis of essential thrombocythemia. International Journal of Laboratory Hematology, 2021, 43 (4), pp.O193-O196. ⟨10.1111/ijlh.13507⟩. ⟨hal-03188947⟩
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