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- Title
Mechanical Ventilation Management during Extracorporeal Membrane Oxygenation for Acute Respiratory Distress Syndrome. An International Multicenter Prospective Cohort.
- Authors
Schmidt, Matthieu; Pham, Tài; Arcadipane, Antonio; Agerstrand, Cara; Shinichiro Ohshimo; Pellegrino, Vincent; Vuylsteke, Alain; Guervilly, Christophe; McGuinness, Shay; Pierard, Sophie; Breeding, Jeff; Stewart, Claire; Simon Sin Wai Ching; Camuso, Janice M.; Stephens, R. Scott; King, Bobby; Herr, Daniel; Schultz, Marcus J.; Neuville, Mathilde; Zogheib, Elie
- Abstract
Rationale: Current practices regarding mechanical ventilation in patients treated with extracorporeal membrane oxygenation (ECMO) for acute respiratory distress syndrome are unknown.Objectives: To report current practices regarding mechanical ventilation in patients treated with ECMO for severe acute respiratory distress syndrome (ARDS) and their association with 6-month outcomes.Methods: This was an international, multicenter, prospective cohort study of patients undergoing ECMO for ARDS during a 1-year period in 23 international ICUs.Measurements and Main Results: We collected demographics, daily pre- and per-ECMO mechanical ventilation settings and use of adjunctive therapies, ICU, and 6-month outcome data for 350 patients (mean ± SD pre-ECMO PaO2/FiO2 71 ± 34 mm Hg). Pre-ECMO use of prone positioning and neuromuscular blockers were 26% and 62%, respectively. Vt (6.4 ± 2.0 vs. 3.7 ± 2.0 ml/kg), plateau pressure (32 ± 7 vs. 24 ± 7 cm H2O), driving pressure (20 ± 7 vs. 14 ± 4 cm H2O), respiratory rate (26 ± 8 vs. 14 ± 6 breaths/min), and mechanical power (26.1 ± 12.7 vs. 6.6 ± 4.8 J/min) were markedly reduced after ECMO initiation. Six-month survival was 61%. No association was found between ventilator settings during the first 2 days of ECMO and survival in multivariable analysis. A time-varying Cox model retained older age, higher fluid balance, higher lactate, and more need for renal-replacement therapy along the ECMO course as being independently associated with 6-month mortality. A higher Vt and lower driving pressure (likely markers of static compliance improvement) across the ECMO course were also associated with better outcomes.Conclusions: Ultraprotective lung ventilation on ECMO was largely adopted across medium- to high-case volume ECMO centers. In contrast with previous observations, mechanical ventilation settings during ECMO did not impact patients' prognosis in this context.
- Subjects
ARTIFICIAL respiration; EXTRACORPOREAL membrane oxygenation; ADULT respiratory distress syndrome; COHORT analysis; INTENSIVE care units
- Publication
American Journal of Respiratory & Critical Care Medicine, 2019, Vol 200, Issue 8, p1002
- ISSN
1073-449X
- Publication type
journal article
- DOI
10.1164/rccm.201806-1094OC