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Article Publish Status: FREE
Abstract Title:

Exacerbation of immune thrombocytopenia following COVID-19 vaccination.

Abstract Source:

Br J Haematol. 2021 11 ;195(3):365-370. Epub 2021 Jun 24. PMID: 34075578

Abstract Author(s):

David J Kuter

Article Affiliation:

David J Kuter

Abstract:

There is concern that COVID-19 vaccination may adversely affect immune thrombocytopenia (ITP) patients. Fifty-two consecutive chronic ITP patients were prospectively followed after COVID-19 vaccination. Fifteen percent had no worsening of clinical symptoms but no post-vaccination platelet count; 73% had no new symptoms and no significant platelet count decline. However, 12% had a median platelet count drop of 96% within 2-5 days post vaccination with new bleeding symptoms; after rescue therapy with corticosteroids +/- intravenous immunoglobulin (IVIG), platelets recovered to>30 × 10/l a median three days later. ITP exacerbation occurred independently of remission status, concurrent ITP treatment, or vaccine type. Safety of a second vaccine dose needs careful assessment.

Study Type : Human Study
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