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Published on: September 9, 2012
Disseminated intravascular coagulation: cause, molecular mechanism, diagnosis, and therapy
Fangchen Gong1, Xiangtao Zheng1, Shanzhi Zhao1
1Department of Emergency Ruijin Hospital, Shanghai Jiao Tong University School of Medicine Shanghai China.
Insights
Disseminated intravascular coagulation (DIC) is a severe condition causing blood clots and bleeding. This review covers its causes, diagnosis, and treatment, highlighting the need for better management strategies.
Area of Science:
- Hematology
- Pathophysiology
- Critical Care Medicine
Background:
- Disseminated intravascular coagulation (DIC) is a life-threatening condition involving systemic coagulation activation.
- It paradoxically leads to both thrombosis and hemorrhage due to clotting factor depletion.
- DIC is triggered by various critical illnesses like sepsis, trauma, and malignancy.
Purpose of the Study:
- To provide a comprehensive overview of Disseminated Intravascular Coagulation (DIC).
- To emphasize the clinical significance and challenges in managing DIC.
- To highlight recent advances and future research directions for improved patient outcomes.
Main Methods:
- This review synthesizes current knowledge on DIC pathophysiology, causes, and clinical presentation.
- It examines established and emerging diagnostic criteria and laboratory assessments.
- Treatment strategies, including supportive care and targeted therapies, are discussed.
Main Results:
- DIC involves excessive thrombin generation, platelet activation, and fibrinogen consumption.
- Diagnosis remains challenging, relying on clinical context and laboratory findings.
- Current treatments focus on managing underlying conditions and supportive measures.
Conclusions:
- Effective management of DIC requires early recognition and prompt treatment of underlying causes.
- Further research is crucial for enhancing diagnostic accuracy and therapeutic efficacy.
- Improved strategies are needed to reduce morbidity and mortality associated with DIC.
Abstract:
Disseminated intravascular coagulation (DIC) is a complex and serious condition characterized by widespread activation of the coagulation cascade, resulting in both thrombosis and bleeding. This review aims to provide a comprehensive overview of DIC, emphasizing its clinical significance and the need for improved management strategies. We explore the primary causes of DIC, including sepsis, trauma, malignancies, and obstetric complications, which trigger an overactive coagulation response. At the molecular level, DIC is marked by excessive thrombin generation, leading to platelet and fibrinogen activation while simultaneously depleting clotting factors, creating a paradoxical bleeding tendency. Diagnosing DIC is challenging and relies on a combination of existing diagnostic criteria and laboratory tests. Treatment strategies focus on addressing the underlying causes and may involve supportive care, anticoagulation therapy, and other supportive measures. Recent advances in understanding the pathophysiology of DIC are paving the way for more targeted therapeutic approaches. This review highlights the critical need for ongoing research to enhance diagnostic accuracy and treatment efficacy, ultimately improving patient outcomes in those affected by DIC.
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