Respiratory failure & ventilation

The use of prone position ventilation in Danish patients with COVID‐19‐induced severe acute respiratory distress syndrome treated with veno‐venous extracorporeal membrane oxygenation: A nationwide cohort study with focus on pulmonary effects

Acta Anaesthesiol ScandPublished Retrospective cohort study

Authors' conclusion

Eighty percent of patients responded positively during a PPV session, but this was not associated with overall pulmonary improvement. On a single patient level, responses were heterogenous and only 45% of sessions resulted in clinical improvement. Response in dynamic compliance was associated with starting values of compliance.

Study context

Population
COVID-19 patients in Denmark with severe Adult Respiratory Distress Syndrome (ARDS) needing V–V ECMO support, March 2020 - December 202144 treated with PPV
Participants
68 patients
Outcome
Response to PPV sessions
Methodological detailsnationwide
  • Nationwide

Main finding

As reported in the abstract

Positive clinical response, patients
80%
Positive clinical response, sessions
45%
Increased compliance, sessions
38%
Increased oxygenation, sessions
15%
Number of PPV sessions
220

Observational data: associations, not effects.

Further findings

Predictors of response

Higher dynamic compliance at start of PPV session associated with lower delta change in dynamic compliance during PPV
Response to a PPV session not predicted by response in prior session
Dynamic compliance did not change during the ECMO course

Original publication

The use of prone position ventilation in Danish patients with COVID‐19‐induced severe acute respiratory distress syndrome treated with veno‐venous extracorporeal membrane oxygenation: A nationwide cohort study with focus on pulmonary effects. Acta Anaesthesiol Scand. Published 26 June 2024. doi:10.1111/aas.14481

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