Pediatric critical care medicine : a journal of the Society of Critical Care Medicine and the World Federation of Pediatric Intensive and Critical Care Societies · 2024
Pa o2 and Mortality in Neonatal Extracorporeal Membrane Oxygenation: Retrospective Analysis of the Extracorporeal Life Support Organization Registry, 2015-2020.
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Brohan Orlane, Chenouard Alexis, Gaultier Aurélie, Tonna Joseph E, Rycus Peter, Pezzato Stefano, Moscatelli Andrea, Liet Jean-Michel, Bourgoin Pierre, Rozé Jean-Christophe, Léger Pierre-Louis, Rambaud Jérôme, Joram Nicolas
Аннотация
OBJECTIVES: Extracorporeal life support can lead to rapid reversal of hypoxemia but the benefits and harms of different oxygenation targets in severely ill patients are unclear. Our primary objective was to investigate the association between the Pa o2 after extracorporeal membrane oxygenation (ECMO) initiation and mortality in neonates treated for respiratory failure.
DESIGN: Retrospective analysis of the Extracorporeal Life Support Organization (ELSO) Registry data, 2015-2020.
PATIENTS: Newborns supported by ECMO for respiratory indication were included.
INTERVENTIONS: None.
MEASUREMENTS AND MAIN RESULTS: Pa o2 24 hours after ECMO initiation (H24 Pa o2 ) was reported. The primary outcome was 28-day mortality. We identified 3533 newborns (median age 1 d [interquartile range (IQR), 1-3]; median weight 3.2 kg [IQR, 2.8-3.6]) from 198 ELSO centers, who were placed on ECMO. By 28 days of life, 731 (20.7%) had died. The median H24 Pa o2 was 85 mm Hg (IQR, 60-142). We found that both hypoxia (Pa o2 < 60 mm Hg) and moderate hyperoxia (Pa o2 201-300 mm Hg) were associated with greater adjusted odds ratio (aOR [95% CI]) of 28-day mortality, respectively: aOR 1.44 (95% CI, 1.08-1.93), p = 0.016, and aOR 1.49 (95% CI, 1.01-2.19), p value equals to 0.045.
CONCLUSIONS: Early hypoxia or moderate hyperoxia after ECMO initiation are each associated with greater odds of 28-day mortality among neonates requiring ECMO for respiratory failure.
DESIGN: Retrospective analysis of the Extracorporeal Life Support Organization (ELSO) Registry data, 2015-2020.
PATIENTS: Newborns supported by ECMO for respiratory indication were included.
INTERVENTIONS: None.
MEASUREMENTS AND MAIN RESULTS: Pa o2 24 hours after ECMO initiation (H24 Pa o2 ) was reported. The primary outcome was 28-day mortality. We identified 3533 newborns (median age 1 d [interquartile range (IQR), 1-3]; median weight 3.2 kg [IQR, 2.8-3.6]) from 198 ELSO centers, who were placed on ECMO. By 28 days of life, 731 (20.7%) had died. The median H24 Pa o2 was 85 mm Hg (IQR, 60-142). We found that both hypoxia (Pa o2 < 60 mm Hg) and moderate hyperoxia (Pa o2 201-300 mm Hg) were associated with greater adjusted odds ratio (aOR [95% CI]) of 28-day mortality, respectively: aOR 1.44 (95% CI, 1.08-1.93), p = 0.016, and aOR 1.49 (95% CI, 1.01-2.19), p value equals to 0.045.
CONCLUSIONS: Early hypoxia or moderate hyperoxia after ECMO initiation are each associated with greater odds of 28-day mortality among neonates requiring ECMO for respiratory failure.