• Journal of critical care · Oct 2022

    Long term feasibility of ultraprotective lung ventilation with low-flow extracorporeal carbon dioxide removal in ARDS patients.

    • Davide Chiumello, Tommaso Pozzi, Elisa Mereto, Isabella Fratti, Elena Chiodaroli, Luciano Gattinoni, and Silvia Coppola.
    • Department of Anesthesia and Intensive Care, ASST Santi Paolo e Carlo, San Paolo University Hospital, Via Di Rudini 9, Milan, Italy; Department of Health Sciences, University of Milan, Milano, Italy; Coordinated Research Center on Respiratory Failure, University of Milan, Milan, Italy. Electronic address: davide.chiumello@unimi.it.
    • J Crit Care. 2022 Oct 1; 71: 154092154092.

    PurposeTo explore the feasibility of long-term application of ultraprotective ventilation with low flow ECCO2R support in moderate-severe ARDS patients and the reduction of mechanical power (MP) compared to lung protective ventilation.Material And MethodsARDS patients with PaO2/FiO2 < 200, PEEP of 10 cmH2O, tidal volume 6 ml/Kg of predicted body weight (PBW), plateau pressure > 24 cmH2O, MP > 17 J/min were prospectively enrolled. After 2 h tidal volume was reduced to 4-5 ml/kg, respiratory rate (RR) and PEEP were changed to maintain similar minute ventilation and mean airway pressure (MAP) to those obtained at baseline. After 2 h, ECCO2R support was started, RR was decreased and PEEP was increased to maintain similar PaCO2 and MAP, respectively.ResultsThe only reduction of tidal volume with the increase in RR did not decrease MP. The application of low flow ECCO2R support allowed a reduction of RR from 25 [24-30] to 11 [9-14] bpm and MP from 18 [13-23] to 8 [7-11] J/min. During the following 5 days no changes in mechanics variables and gas exchange occurred.ConclusionsThe application of low flow ECCO2R support with ultraprotective ventilation was feasible minimizing the MP without deterioration in oxygenation in ARDS patients.Copyright © 2022 Elsevier Inc. All rights reserved.

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