Comparison of Bivalirudin Versus Heparin for Anticoagulation During Extracorporeal Membrane Oxygenation
Hasegawa D, Sato R, Prasitlumkum N, Nishida K, Keaton B, Acquah SO, Im Lee Y (2022) · ASAIO Journal · n=0
Характеристика исследования
- Дизайн
- systematic review and random-effects meta-analysis of 11 observational studies (Embase, Cochrane Central, MEDLINE)
- Размер выборки (n)
- —
- Вмешательство
- Bivalirudin anticoagulation in ECMO patients
- Компаратор
- Heparin anticoagulation in ECMO patients
- Первичная конечная точка
- Short-term mortality
- Основной результат
- Bivalirudin associated with significantly lower short-term mortality (OR 0.71, 95% CI 0.55-0.92, p=0.01, I²=7%) compared with heparin in ECMO patients
- Длительность наблюдения
- Hospital discharge / short-term
- PMID
- 36194483
Ключевые выводы
- Mortality signal in favor of bivalirudin (OR 0.71, p=0.01)
- Low heterogeneity (I²=7%) supports robustness
- Adds quantitative mortality endpoint to ECMO anticoagulant literature
- Random-effects model used to account for clinical heterogeneity
- Calls for prospective RCT confirmation
Ограничения
- All included studies observational
- Selection bias - bivalirudin often reserved for HIT or bleeding patients
- Variable anticoagulation monitoring strategies across studies
- Cannot establish causation
- Not applicable to whole-leech hirudotherapy
Клиническое значение
Hasegawa 2022 contributes a positive mortality signal to the broader bivalirudin ECMO evidence base. For ASH, the meta-analysis demonstrates how the synthetic thrombin inhibitor pathway generates emerging mortality signals under retrospective synthesis, structurally separate from the K040187 device-leech US clinical practice. The mortality finding warrants RCT confirmation.
Связанные исследования
Prospective Randomized Pilot Study Comparing Bivalirudin Versus Heparin in Neonatal and Pediatric Extracorporeal Membrane Oxygenation
McMichael A, Weller J, Li X, Hatton L, Zia A, Raman L (2024)
Efficacy of Bivalirudin for Therapeutic Anticoagulation in COVID-19 Patients Requiring ECMO Support
Trigonis R, Smith N, Porter S, Anderson E, Jennings M, Kapoor R, Hage C, Moiz S, Garcia J, Rahman O (2021)
Bivalirudin versus heparin anticoagulation in patients receiving extracorporeal membrane oxygenation
Huang D, Guan Q, Qin J, Shan R, Wu J, Zhang C (2022)
Heparin-based versus bivalirudin-based anticoagulation in pediatric extracorporeal membrane oxygenation: A systematic review
Valdes CA, Sharaf OM, Bleiweis MS, Jacobs JP, Mumtaz M, Sharaf RM, Jeng EI, Peek GJ (2023)