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A Case Report of Immune Thrombocytopenia after ChAdOx1 nCoV-19 Vaccination.
Kim, Gyungah; Choi, Eun-Ji; Park, Han-Seung; Lee, Jung-Hee; Lee, Je-Hwan; Lee, Kyoo-Hyung.
Affiliation
  • Kim G; Department of Internal Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
  • Choi EJ; Department of Hematology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea. eunjichoi@amc.seoul.kr.
  • Park HS; Department of Hematology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
  • Lee JH; Department of Hematology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
  • Lee JH; Department of Hematology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
  • Lee KH; Department of Hematology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
J Korean Med Sci ; 36(43): e306, 2021 Nov 08.
Article in En | MEDLINE | ID: mdl-34751013
Immune thrombocytopenia (ITP) is an autoimmune condition characterized by platelet destruction through antibody-mediated mechanism. ITP is one of the manifestations of a coronavirus disease, as well as an adverse event occurring after vaccination against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Several cases of ITP have been described after vaccination with two mRNA-based vaccines-BTN162b2 (Pfizer-BioNTech) and mRNA-1273 (Moderna)-against SARS-CoV-2. Herein, we report a case of ITP occurring after vaccination with ChAdOx1 adenovirus vector nCoV-19 (AstraZeneca) vaccine in Korea. A 66-year-old woman presented with multiple ecchymoses on both upper and lower extremities and gingival bleeding, appearing 3 days after receiving the first dose of ChAdOx1 nCoV-19. Her laboratory results showed isolated severe thrombocytopenia without evidence of combined coagulopathy. She was diagnosed with ITP and successfully treated with high-dose dexamethasone and intravenous immunoglobulin. Clinical suspicion to identify vaccine-related ITP is important to promptly initiate appropriate treatment.
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Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Vaccination / Purpura, Thrombocytopenic, Idiopathic / Ecchymosis / COVID-19 Vaccines / COVID-19 Type of study: Prognostic_studies Limits: Aged / Female / Humans Language: En Journal: J Korean Med Sci Journal subject: MEDICINA Year: 2021 Document type: Article Country of publication: Korea (South)

Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Vaccination / Purpura, Thrombocytopenic, Idiopathic / Ecchymosis / COVID-19 Vaccines / COVID-19 Type of study: Prognostic_studies Limits: Aged / Female / Humans Language: En Journal: J Korean Med Sci Journal subject: MEDICINA Year: 2021 Document type: Article Country of publication: Korea (South)