ICU sedation, delirium & recovery

Cerebral autoregulation-based mean arterial pressure targets and delirium in critically ill adults without brain injury: a retrospective cohort study

Can J AnaesthPublished Retrospective cohort study

Authors' conclusion

We observed that MAPopt targets across patients were highly variable, but did not observe an association with the incidence of delirium.

Study context

Population
Critically ill adults without brain injury: shock of any etiology and/or respiratory failure requiring invasive mechanical ventilation, without a neurologic admitting diagnosisanalysed
Participants
42 adults
Outcome
Optimal MAP (MAPopt) ranges and whether deviations from these targets contribute to intensive care unit (ICU) delirium
Methodological detailsDaily delirium screening; cerebral oximetry and MAP data captured for the first 24 hr from enrolment
  • Daily delirium screening; cerebral oximetry and MAP data captured for the first 24 hr from enrolment

Main finding

As reported in the abstract

Blood pressure targets exceeding the 65 mm Hg Surviving Sepsis guidelines

69%

Observational data: associations, not effects.

Original publication

Cerebral autoregulation-based mean arterial pressure targets and delirium in critically ill adults without brain injury: a retrospective cohort study. Can J Anaesth. Published 6 November 2023. doi:10.1007/s12630-023-02609-w

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