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Published on: January 17, 2025
Thromboelastography in Children Undergoing Extracorporeal Membrane Oxygenation.
Wataru Sakai1, Tomohiro Chaki2, Yuki Ogasawara3
1Wataru Sakai is an adjunct assistant professor, pediatric intensive care unit, Hokkaido Medical Center for Child Health and Rehabilitation, Sapporo, Japan, and Department of Anesthesiology, Sapporo Medical University School of Medicine, Sapporo.
Thromboelastography significantly reduced critical complications in children on extracorporeal membrane oxygenation (ECMO) compared to conventional tests. This approach offers a safer method for managing anticoagulation in pediatric ECMO patients.
Area of Science:
- Pediatric Critical Care Medicine
- Hematology
- Cardiovascular Surgery
Background:
- Children on extracorporeal membrane oxygenation (ECMO) face risks of bleeding and clotting issues, including intracranial hemorrhage.
- Current monitoring of anticoagulation during pediatric ECMO relies on conventional tests, with limited data on their efficacy.
- Thromboelastography (TEG) is a potential tool for anticoagulation management, but its use in pediatric ECMO is not well-established.
Purpose of the Study:
- To compare the incidence of critical complications in children receiving ECMO.
- To evaluate anticoagulation management using thromboelastography versus conventional coagulation tests.
- To assess the impact of different anticoagulation monitoring strategies on patient outcomes.
Main Methods:
- A single-center observational study (prospective and retrospective) involving pediatric patients (<18 years) requiring ECMO.
- Comparison of outcomes between a group managed with conventional tests (ACT, fibrinogen, platelets) and a group managed with TEG.
- Primary outcome: critical hemorrhage or pump failure leading to treatment cessation.
Main Results:
- The study included 17 patients in each group (conventional and TEG).
- The TEG group experienced significantly fewer critical complications (11%) compared to the conventional group (59%) (OR, 10.71; P = .01).
- While 30-day survival was higher in the TEG group, the difference was not statistically significant (P = .08).
Conclusions:
- Managing anticoagulation with thromboelastography in pediatric ECMO patients led to a lower frequency of critical complications.
- TEG demonstrates potential as a superior method for anticoagulation monitoring in this vulnerable population.
- Further research may confirm improved survival rates with TEG-guided anticoagulation.
