ICU sedation, delirium & recovery

Restricted Polypharmacy Compared to Usual Care in Mechanically Ventilated Patients: A Retrospective Cohort Study

Anesth AnalgPublished Retrospective cohort study

Authors' conclusion

Compared with UC, RP was associated with more coma- and ventilator-free days.

Study context

Population
Mechanically ventilated adults in intensive care units (ICUs) of a tertiary-level medical center, initiated on propofol infusion, with >50% probability of continued ventilation for the next 24 hours3,765 followed RP until extubation
Participants
7,974 participants
Exposure
Restricted polypharmacy vs usual care
Outcome
Coma-free days and ventilator-free days; in-hospital mortality
Follow-up
Within 30 days of intubation
Methodological detailstarget trial framework, inverse probability weighting, single-centre
  • Target trial framework
  • Inverse probability weighting
  • Single-centre

Main finding

As reported in the abstract

Coma-free and ventilator-free days

Usual care (UC)

23.5

mean · 95% CI 23.3–23.7 · coma-free days

Each group vs UCEstimate (95% CI)
RP
increase in mean coma-free days 1.0 days(0.7–1.3)
RP
increase in mean ventilator-free days 1.0 days(0.7–1.3)

Observational data: associations, not effects.

Further findings

OutcomeUCConfounding-adjusted association (95% CI)
In-hospital mortalityUninformative22.0% (95% CI 21.2–22.8)−0.5% (−3.0 to 1.9)

Original publication

Restricted Polypharmacy Compared to Usual Care in Mechanically Ventilated Patients: A Retrospective Cohort Study. Anesth Analg. Published 4 April 2023. doi:10.1213/ane.0000000000006419

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