• Tarik Hadid, Zyad Kafri, and Ayad Al-Katib.
• Department of Internal Medicine, Wayne State University, School of Medicine, Detroit, MI, USA; Ascension Michigan, Detroit, MI, USA. Electronic address: thadid@wayne.edu.
• Blood Rev. 2021 May 1; 47: 100761.

AbstractCOVID-19 has become a pandemic in the United States and worldwide. COVID-19-induced coagulopathy (CIC) is commonly encountered at presentation manifested by considerable elevation of D-dimer and fibrin split products but with modest or no change in activated partial thromboplastin time and prothrombin time. CIC is a complex process that is distinctly different from conventional sepsis-induced coagulopathy. The cytokine storm induced by COVID-19 infection appears to be more severe in COVID-19, resulting in development of extensive micro- and macrovascular thrombosis and organ failure. Unlike conventional sepsis, anticoagulation plays a key role in the treatment of COVID-19, however without practice guidelines tailored to these patients. We propose a scoring system for COVID-19-coagulopathy (CIC Scoring) and stratification of patients for the purpose of anticoagulation therapy based on risk categories. The proposed scoring system and therapeutic guidelines are likely to undergo revisions in the future as new data become available in this evolving field.Copyright © 2020 The Authors. Published by Elsevier Ltd.. All rights reserved.

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