Journal of cardiothoracic and vascular anesthesia · 2024
Anti-Xa-guided Anticoagulation With Unfractionated Heparin and Thrombosis During Extracorporeal Membrane Oxygenation Support: A Systematic Review and Meta-analysis.
Систематический обзорСтатьяМетаанализНазвание и аннотация: Перевод в очереди
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Rajsic Sasa, Breitkopf Robert, Treml Benedikt, Jadzic Dragana, Innerhofer Nicole, Eckhardt Christine, Oberleitner Christoph, Nawabi Fariha, Bukumiric Zoran
Аннотация
OBJECTIVE: The initiation of extracorporeal membrane oxygenation (ECMO) triggers complex coagulation processes necessitating systemic anticoagulation. Therefore, anticoagulation monitoring is crucial to avoid adverse events such as thrombosis and hemorrhage. The main aim of this work was to analyze the association between anti-Xa levels and thrombosis occurrence during ECMO support.
DESIGN: Systematic literature review and meta-analysis (Scopus and PubMed, up to July 29, 2023).
SETTING: All retrospective and prospective studies.
PARTICIPANTS: Patients receiving ECMO support.
INTERVENTION: Anticoagulation monitoring during ECMO support.
MEASUREMENTS AND MAIN RESULTS: A total of 16 articles with 1,968 patients were included in the review and 7 studies in the meta-analysis (n = 374). Patients with thrombosis had significantly lower mean anti-Xa values (standardized mean difference -0.36, 95% confidence interval [CI] -0.62 to -0.11, p < 0.01). Furthermore, a positive correlation was observed between unfractionated heparin infusion and anti-Xa levels (pooled estimate of correlation coefficients 0.31, 95% CI 0.19 to 0.43, p < 0.001). The most common adverse events were major bleeding (42%) and any kind of hemorrhage (36%), followed by thromboembolic events (30%) and circuit or oxygenator membrane thrombosis (19%). More than half of the patients did not survive to discharge (52%).
CONCLUSIONS: This work revealed significantly lower levels of anti-Xa in patients experiencing thromboembolic events and a positive correlation between anti-Xa and unfractionated heparin infusion. Considering the contemplative limitations of conventional monitoring tools, further research on the role of anti-Xa is warranted. New trials should be encouraged to confirm these findings and determine the most suitable monitoring strategy for patients receiving ECMO support.
DESIGN: Systematic literature review and meta-analysis (Scopus and PubMed, up to July 29, 2023).
SETTING: All retrospective and prospective studies.
PARTICIPANTS: Patients receiving ECMO support.
INTERVENTION: Anticoagulation monitoring during ECMO support.
MEASUREMENTS AND MAIN RESULTS: A total of 16 articles with 1,968 patients were included in the review and 7 studies in the meta-analysis (n = 374). Patients with thrombosis had significantly lower mean anti-Xa values (standardized mean difference -0.36, 95% confidence interval [CI] -0.62 to -0.11, p < 0.01). Furthermore, a positive correlation was observed between unfractionated heparin infusion and anti-Xa levels (pooled estimate of correlation coefficients 0.31, 95% CI 0.19 to 0.43, p < 0.001). The most common adverse events were major bleeding (42%) and any kind of hemorrhage (36%), followed by thromboembolic events (30%) and circuit or oxygenator membrane thrombosis (19%). More than half of the patients did not survive to discharge (52%).
CONCLUSIONS: This work revealed significantly lower levels of anti-Xa in patients experiencing thromboembolic events and a positive correlation between anti-Xa and unfractionated heparin infusion. Considering the contemplative limitations of conventional monitoring tools, further research on the role of anti-Xa is warranted. New trials should be encouraged to confirm these findings and determine the most suitable monitoring strategy for patients receiving ECMO support.