Respiratory failure & ventilation

Respiratory drive heterogeneity associated with systemic inflammation and vascular permeability in acute respiratory distress syndrome

Crit CarePublished Secondary analysis of the EPVent-2 randomised trial

Authors' conclusion

Among patients with ARDS, systemic inflammatory and vascular permeability markers were independently associated with higher respiratory drive.

Study context

Population
Acute respiratory distress syndrome (ARDS) patients in the EPVent-2 trial with requisite data and plasma biomarkers, excluding NMB recipients
Participants
124 patients
Comparison
Lower drive vs Moderate drive vs Higher drive
Primary endpoint
Association of systemic inflammation and vascular permeability markers (angiopoietin-2, interleukin-6, interleukin-8) with respiratory drive (PES0.1) and clinical outcomes
Methodological detailsmulticentre
  • Multicentre

Primary result

As reported in the abstract

Respiratory drive (PES0.1)

Detectable respiratory drive

54.8%

PES0.1 range

0-5.1 cm H2O

Further findings

OutcomeHR (95% CI)
Risk of death · 60 daysLower drive vs Moderate drive1.58 (0.82–3.05)
Risk of death · 60 daysHigher drive vs Moderate drive2.63 (1.21–5.70)
  • Risk of death: overall p = 0.049

Risk of death · 60 days

Risk of death less with moderate drive

Original publication

Respiratory drive heterogeneity associated with systemic inflammation and vascular permeability in acute respiratory distress syndrome. Crit Care. Published 23 April 2024. doi:10.1186/s13054-024-04920-4

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