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Positive end-expiratory pressure titrated according to respiratory system mechanics or to ARDSNetwork table did not guarantee positive end-expiratory transpulmonary pressure in acute respiratory distress syndrome



Positive end-expiratory pressure titrated according to respiratory system mechanics or to ARDSNetwork table did not guarantee positive end-expiratory transpulmonary pressure in acute respiratory distress syndrome



Journal of Critical Care 48: 433-442



Pulmonary recruitment and positive end-expiratory pressure (PEEP) titrated according to minimal static elastance of the respiratory system (PEEPEstat,RS) compared to PEEP set according to the ARDSNetwork table (PEEPARDSNetwork) as a strategy to prevent ventilator-associated lung injury (VALI) in patients with acute respiratory distress syndrome (ARDS) increases mortality. Alternatively, avoiding negative end-expiratory transpulmonary pressure has been discussed as superior PEEP titration strategy. Therefore, we tested whether PEEPEstat,RS or PEEPARDSNetwork prevent negative end-expiratory transpulmonary pressure in ARDS patients. Thirteen patients with moderate to severe ARDS were studied at PEEPARDSNetwork versus PEEPEstat,RS. Patients were then grouped post hoc according to the end-expiratory transpulmonary pressure (positive or negative). 7 out of 13 patients showed negative end-expiratory transpulmonary pressures (Ptp-) with both strategies (PEEPARDSNetwork: - 5.4 ± 3.5 vs. 2.2 ± 3.7 cm H2O, p = .005; PEEPEstat,RS: - 3.6 ± 1.5 vs. 3.5 ± 3.3 cm H2O, p < .001). Ptp- was associated with higher intra-abdominal pressure and lower end-expiratory lung volume with both PEEP strategies. In patients with moderate-to-severe ARDS, PEEP titrated according to the minimal static elastance of the respiratory system or according to the ARDSNetwork table did not prevent negative end-expiratory transpulmonary pressure.

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Accession: 065882638

Download citation: RISBibTeXText

PMID: 30336419

DOI: 10.1016/j.jcrc.2018.10.005


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