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Late Breaking Abstract - Associations of intensity of ventilation with mortality in COVID–19 patients with ARDS

Michiel Schuijt, David Van Meenen, Ignacio Martin–loeches, Guido Mazzinari, Marcus Schultz, Frederique Paulus, Ary Serpa Neto
European Respiratory Journal 2021 58: PA3780; DOI: 10.1183/13993003.congress-2021.PA3780
Michiel Schuijt
1Department of Intensive Care. Amsterdam UMC, location AMC, Amsterdam, Netherlands
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  • For correspondence: mtuschuijt@gmail.com
David Van Meenen
1Department of Intensive Care. Amsterdam UMC, location AMC, Amsterdam, Netherlands
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Ignacio Martin–loeches
2Department of Clinical Medicine, Multidisciplinary Intensive Care Research Organization (MICRO), St James's Hospital, Trinity Centre for Health Sciences, Dublin, Ireland
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Guido Mazzinari
3Department of Anaesthesiology, Hospital Universitario y Politécnico la Fe, Valencia, Spain
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Marcus Schultz
1Department of Intensive Care. Amsterdam UMC, location AMC, Amsterdam, Netherlands
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Frederique Paulus
1Department of Intensive Care. Amsterdam UMC, location AMC, Amsterdam, Netherlands
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Ary Serpa Neto
4Department of Critical Care Medicine. Australian and New Zealand Intensive Care Research Centre (ANZIC-RC), Monash University, Melbourne, Australia
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Abstract

Background: There is scant information about intensity of ventilation and mortality in COVID–19 patients with ARDS.

Aim: To investigate the association between exposure to different levels of driving pressure (ΔP) and mechanical power (MP) with mortality in these patients

Methods: Multicenter observational study in 734 COVID–19 patients with ARDS. ΔP and MP were calculated at fixed time points during the first 4 calendar days of ventilation using granular ventilation data. The primary endpoint was 28–day mortality. To assess the effects of time–varying exposure, Bayesian joint models adjusted for confounders were used.

Results: In the first 28 days, 214 (29.2%) patients died. A significant increase in the hazard of death was associated with each increment in ΔP (HR 1.04 [95%–CrI 1.01–1.07]; P = 0.010) and in MP (HR 1.12 [95%–CrI 1.01–1.36]; P = 0.018). Cumulative exposure to higher levels of ΔP or MP were both associated with higher risk for 28–day mortality (Figure 1).

Conclusions: Cumulative exposure to higher intensities of ventilation in COVID–19 patients with ARDS is associated with increased risk of 28–day mortality. Limiting exposure to high ΔP or MP has the potential to improve survival in these patients.

Figure 1.
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Figure 1.

Association Between Intensity of Exposure to Higher Driving Pressure and Mechanical Power and 28-Day Mortality

  • Covid-19
  • ARDS (Acute Respiratory Distress Syndrome)
  • Mechanical ventilation - interactions and complications

Footnotes

Cite this article as: European Respiratory Journal 2021; 58: Suppl. 65, PA3780.

This abstract was presented at the 2021 ERS International Congress, in session “Prediction of exacerbations in patients with COPD”.

This is an ERS International Congress abstract. No full-text version is available. Further material to accompany this abstract may be available at www.ers-education.org (ERS member access only).

  • Copyright ©the authors 2021
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Late Breaking Abstract - Associations of intensity of ventilation with mortality in COVID–19 patients with ARDS
Michiel Schuijt, David Van Meenen, Ignacio Martin–loeches, Guido Mazzinari, Marcus Schultz, Frederique Paulus, Ary Serpa Neto
European Respiratory Journal Sep 2021, 58 (suppl 65) PA3780; DOI: 10.1183/13993003.congress-2021.PA3780

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Late Breaking Abstract - Associations of intensity of ventilation with mortality in COVID–19 patients with ARDS
Michiel Schuijt, David Van Meenen, Ignacio Martin–loeches, Guido Mazzinari, Marcus Schultz, Frederique Paulus, Ary Serpa Neto
European Respiratory Journal Sep 2021, 58 (suppl 65) PA3780; DOI: 10.1183/13993003.congress-2021.PA3780
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