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Article ; Online: COVID-19 associated thrombotic thrombocytopenic purpura (TTP) ; A case series and mini-review.

Tehrani, Hamed Azhdari / Darnahal, Maryam / Vaezi, Mohammad / Haghighi, Shirin

International immunopharmacology

2021  Volume 93, Page(s) 107397

Abstract: ... with thrombotic thrombocytopenic purpura (TTP) and COVID-19 and review COVID-19 endothelial dysfunction literature.: Methods: Primary ... of the involvement of COVID-19.: Conclusion: In this case series, we reported four COVID-19 patients who presented ... with signs and symptoms of anemia and thrombocytopenia, resulting in thrombotic thrombocytopenic purpura. ...

Abstract Introduction: Thrombotic microangiopathies are a group of disorders that are mainly related to endothelial dysfunction. This category of endothelial dysfunction results of several imbalances between platelets, endothelium and immune system, also cytokine production.
Aim of this study: To report cases with thrombotic thrombocytopenic purpura (TTP) and COVID-19 and review COVID-19 endothelial dysfunction literature.
Methods: Primary laboratory data, peripheral blood smear, ADAMTS13 antigen activity level, and antibody ordered for each of these four patients. Treatments for COVID-19 administered for all patients. Traditional treatments for TTP also were administered.
Results: There were numerous schistocytes (more than 5%) in peripheral blood smears for each patient. ADAMTS13 antigen activity level was below 10%, and ADAMTS13 antibody was elevated for each patient. COVID-19 PCR was positive for all patients, and CT-Scans were indicative of the involvement of COVID-19.
Conclusion: In this case series, we reported four COVID-19 patients who presented with signs and symptoms of anemia and thrombocytopenia, resulting in thrombotic thrombocytopenic purpura.
MeSH term(s) ADAMTS13 Protein/blood ; Adult ; COVID-19/blood ; COVID-19/epidemiology ; COVID-19/pathology ; COVID-19/therapy ; Female ; Humans ; Male ; Middle Aged ; Purpura, Thrombotic Thrombocytopenic/blood ; Purpura, Thrombotic Thrombocytopenic/epidemiology ; Purpura, Thrombotic Thrombocytopenic/therapy ; Purpura, Thrombotic Thrombocytopenic/virology ; SARS-CoV-2/isolation & purification
Chemical Substances ADAMTS13 Protein (EC 3.4.24.87) ; ADAMTS13 protein, human (EC 3.4.24.87)
Language English
Publishing date 2021-01-22
Publishing country Netherlands
Document type Case Reports ; Journal Article ; Review
ZDB-ID 2043785-7
ISSN 1878-1705 ; 1567-5769
ISSN (online) 1878-1705
ISSN 1567-5769
DOI 10.1016/j.intimp.2021.107397
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