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Management of Anticoagulation during Extracorporeal Membrane Oxygenation in Children
Madhuradhar Chegondi1,2, Niranjan Vijayakumar3, Balagangadhar R Totapally4,5
1Division of Pediatric Critical Care Medicine, Stead Family Children's Hospital, University of Iowa, Iowa City, IA 52242, USA.
Insights
Managing anticoagulation for pediatric Extracorporeal Membrane Oxygenation (ECMO) is complex. This review covers ECMO coagulation, current/new anticoagulants, and monitoring to improve outcomes for critically ill children.
Area of Science:
- Pediatric Critical Care Medicine
- Hematology
- Cardiopulmonary Support
Background:
- Extracorporeal Membrane Oxygenation (ECMO) is vital for pediatric severe cardiopulmonary failure, with increasing use globally.
- Anticoagulation is essential to prevent circuit thrombosis but carries risks of bleeding and thrombosis, impacting mortality.
- Maintaining hemostatic balance during pediatric ECMO is clinically challenging.
Purpose of the Study:
- To review the pathophysiology of coagulation during ECMO in children.
- To evaluate current and emerging anticoagulant agents used in pediatric ECMO.
- To outline diagnostic monitoring strategies for anticoagulation in this population.
Main Methods:
- Literature review of pathophysiology, anticoagulants, and monitoring in pediatric ECMO.
- Analysis of current clinical practices and emerging research.
- Identification of knowledge gaps and future research directions.
Main Results:
- Significant variations exist in anticoagulation management and diagnostic monitoring for pediatric ECMO patients.
- Heparin remains standard, but newer agents are being explored.
- Effective anticoagulation monitoring is crucial for mitigating bleeding and thrombosis risks.
Conclusions:
- Optimizing anticoagulation strategies and monitoring is critical for improving survival in pediatric ECMO.
- Further research is needed to standardize protocols and evaluate novel anticoagulants.
- Addressing knowledge gaps will enhance the safe and effective use of ECMO in critically ill children.
Abstract:
Extracorporeal Membrane Oxygenation (ECMO) is often used in critically ill children with severe cardiopulmonary failure. Worldwide, about 3600 children are supported by ECMO each year, with an increase of 10% in cases per year. Although anticoagulation is necessary to prevent circuit thrombosis during ECMO support, bleeding and thrombosis are associated with significantly increased mortality risk. In addition, maintaining balanced hemostasis is a challenging task during ECMO support. While heparin is a standard anticoagulation therapy in ECMO, recently, newer anticoagulant agents are also in use. Currently, there is a wide variation in anticoagulation management and diagnostic monitoring in children receiving ECMO. This review intends to describe the pathophysiology of coagulation during ECMO support, review of literature on current and newer anticoagulant agents, and outline various diagnostic tests used for anticoagulation monitoring. We will also discuss knowledge gaps and future areas of research.
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