Usefulness of implementation of a protective mechanical ventilation bundle during extracorporeal membrane oxygenation for pediatric acute respiratory distress syndrome

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Jegard, Julien | Levy, Yael, M D | Guellec, Isabelle | Guilbert, Julia | Soreze, Yohann | Piloquet, Jean-Eudes | Starck, Julie | Jean, Sandrine | Léger, Pierre-Louis | Rambaud, Jérôme

Edité par CCSD ; Edizioni Minerva Medica S.p.A. (Turin, Italie) -

International audience. Objective: Defining the best ventilatory settings under ECMO remains a challenging question. Despite a well-defined ARDS treatment before ECMO initiation, there is no recommendation on how to ventilate a patient under ECMO for P-ARDS. Only a few descriptive studies are available on ventilatory settings during respiratory ECMO. We aim at evaluating the usefulness of a protective ventilation bundle under ECMO and its capacity to reduce the ventilatory pressure in our ECMO center.Methods: We performed a monocentric retrospective study from January 2007 to December 2018. All children aged from 1 month to 18 years old and requiring an extracorporeal membrane oxygenation for a refractory acute respiratory distress syndrome were included. A protective mechanical ventilation under ECMO bundle has been developed in 2014. We compare the period 1 (before 2014) to the period 2 (after 2014).Results: Eighty-three patient had been included during the study. We reported a significant increase of PEEP and mean pressure respectively at day 3, day 7 and day 14 of ECMO during the period 2. Conversely, the driving pressure were significantly lower in the period 2 at day 3 (p: 0.009), day 7 (p:0.001) and day 14 (p: 0.001). We also shown a strong increase in the use of prone positioning during ECMO in the period 2 (p: 0.01). There was no significant effect of our bundle on the length of mechanical ventilation, of hospitalization and on the survival rate.Conclusions: The implementation of a protective mechanical ventilation bundle during ECMO is usefulness to apply for lower ventilatory pressure and higher use of prone positioning. Nonetheless, the lack of power of our study prevents us from showing its efficacy on outcome criteria.

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