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Primary Immune Thrombocytopenia: Novel Insights into Pathophysiology and Disease Management

Thrombocytopenia in Virus Infections

Department of Viroscience, Erasmus MC Rotterdam, Doctor molewaterplein 40, 3015 GD Rotterdam, The Netherlands
Department of Haematology, Wits University Donald Gordon Medical Centre Johannesburg, Johannesburg 2041, South Africa
Department of Intensive Care Medicine, Maastricht University Medical Center Plus, 6229 HX Maastricht, The Netherlands
Care and Public Health Research Institute (CAPHRI), Maastricht University, 6229 GT Maastricht, The Netherlands
Department of Internal Medicine, Erasmus MC Rotterdam, 3000 CA Rotterdam, The Netherlands
Author to whom correspondence should be addressed.
Academic Editor: Hugo ten Cate
J. Clin. Med. 2021, 10(4), 877;
Received: 7 January 2021 / Revised: 10 February 2021 / Accepted: 17 February 2021 / Published: 20 February 2021
(This article belongs to the Special Issue The Latest Clinical Advances in Thrombocytopenia)
Thrombocytopenia, which signifies a low platelet count usually below 150 × 109/L, is a common finding following or during many viral infections. In clinical medicine, mild thrombocytopenia, combined with lymphopenia in a patient with signs and symptoms of an infectious disease, raises the suspicion of a viral infection. This phenomenon is classically attributed to platelet consumption due to inflammation-induced coagulation, sequestration from the circulation by phagocytosis and hypersplenism, and impaired platelet production due to defective megakaryopoiesis or cytokine-induced myelosuppression. All these mechanisms, while plausible and supported by substantial evidence, regard platelets as passive bystanders during viral infection. However, platelets are increasingly recognized as active players in the (antiviral) immune response and have been shown to interact with cells of the innate and adaptive immune system as well as directly with viruses. These findings can be of interest both for understanding the pathogenesis of viral infectious diseases and predicting outcome. In this review, we will summarize and discuss the literature currently available on various mechanisms within the relationship between thrombocytopenia and virus infections. View Full-Text
Keywords: virus infection; thrombocytopenia; thrombocytopathy; aggregation; HIV; SARS-CoV-2; hantavirus; coronavirus; influenza virus infection; thrombocytopenia; thrombocytopathy; aggregation; HIV; SARS-CoV-2; hantavirus; coronavirus; influenza
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MDPI and ACS Style

Raadsen, M.; Du Toit, J.; Langerak, T.; van Bussel, B.; van Gorp, E.; Goeijenbier, M. Thrombocytopenia in Virus Infections. J. Clin. Med. 2021, 10, 877.

AMA Style

Raadsen M, Du Toit J, Langerak T, van Bussel B, van Gorp E, Goeijenbier M. Thrombocytopenia in Virus Infections. Journal of Clinical Medicine. 2021; 10(4):877.

Chicago/Turabian Style

Raadsen, Matthijs, Justin Du Toit, Thomas Langerak, Bas van Bussel, Eric van Gorp, and Marco Goeijenbier. 2021. "Thrombocytopenia in Virus Infections" Journal of Clinical Medicine 10, no. 4: 877.

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