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Review
. 2018 Jul 11:16:14.
doi: 10.1186/s12959-018-0168-2. eCollection 2018.

Differences and similarities between disseminated intravascular coagulation and thrombotic microangiopathy

Affiliations
Review

Differences and similarities between disseminated intravascular coagulation and thrombotic microangiopathy

Hideo Wada et al. Thromb J. .

Abstract

Introduction: Both disseminated intravascular coagulation (DIC) and thrombotic microangiopathy (TMA) cause microvascular thrombosis associated with thrombocytopenia, bleeding tendency and organ failure.

Reports and discussion: The frequency of DIC is higher than that of thrombotic thrombocytopenic purpura (TTP). Many patients with TMA are diagnosed with DIC, but only about 15% of DIC patients are diagnosed with TMA. Hyperfibrinolysis is observed in most patients with DIC, and microangiopathic hemolytic anemia is observed in most patients with TMA. Markedly decreased ADAMTS13 activity, the presence of Shiga-toxin-producing Escherichia coli (STEC) and abnormality of the complement system are useful for the diagnosis of TTP, STEC-hemolytic uremic syndrome (HUS)and atypical HUS, respectively. However, there are no specific biomarkers for the diagnosis of DIC.

Conclusion: Although DIC and TMA are similar appearances, all coagulation, fibrinolysis and platelet systems are activated in DIC, and only platelets are markedly activated in TMA.

Keywords: DIC; Hyperfibrinolysis; Microangiopathic hemolytic anemia; Microvascular thrombosis; Organ failure; TMA.

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Conflict of interest statement

The study protocol was approved by the Human Ethics Review Committee of the Mie University School of Medicine, and a signed consent form was obtained from each subject. This study was faithfully carried out in accordance with the principles of the Declaration of Helsinki.A signed consent form was obtained from each subject.The authors declare that they have no competing interests.Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.

Figures

Fig. 1
Fig. 1
Concept of DIC and TMA. DIC, disseminated intravascular coagulation; TMA, thrombotic microangiopahy; MHA, microangiopathic hemolyitc anemia; FRMs; fibrin related markers
Fig. 2
Fig. 2
Mechanism underlying onset for DIC or TMA. DIC, disseminated intravascular coagulation; TMA, thrombotic microangiopahy; TF, tissue factor; ULM-VWF, ultra-large multimers of von Willebrand factor
Fig. 3
Fig. 3
Microvascular thrombosis in DIC and TMA. DIC, disseminated intravascular coagulation; TMA, thrombotic microangiopahy

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