Perioperative medicine & outcomes

Postoperative Sedation in General Care Wards: A Retrospective Cohort Study

Anesth AnalgPublished Retrospective cohort study

Authors' conclusion

Among patients who met our criteria for PACU discharge, deeper sedation during anesthesia recovery was associated with an increased risk of ward sedation. Patients who had ward sedation had worse outcomes than those without ward sedation.

Study context

Population
Adults who underwent procedures with GA at Mayo Clinic, May 5, 2018–December 31, 2020, and were discharged from the postanesthesia care unit (PACU) to the general care wardincluded in analysis
Participants
23,766 adults
Exposure
Ward sedation vs Without ward sedation
  • Ward sedationn = 1,131
Outcome
Ward sedation (RASS ≤−2)
Follow-up
Within the first 24 hours after PACU discharge
Methodological detailssingle-centre, multivariable logistic regression
  • Single-centre
  • Multivariable logistic regression

Main finding

As reported in the abstract

Ward sedation: incidence and association with PACU RASS score
Odds ratio (95% CI)
PACU RASS −1
0.98(0.75–1.27)
PACU RASS −2
1.87(1.44–2.43)
PACU RASS −3
2.98(2.26–3.93)
PACU RASS ≤−4
3.97(2.91–5.42)
Incidence of ward sedation per 100 patients after GA
4.8 (Poisson 95% CI 4.5-5.0)

Observational data: associations, not effects.

Further findings

Timing of ward sedation episodes

Half of ward sedation episodes occurred within 32 minutes after PACU discharge

Safety

Adverse events requiring an emergency intervention

P < 0.001

Original publication

Postoperative Sedation in General Care Wards: A Retrospective Cohort Study. Anesth Analg. Published 22 July 2024. doi:10.1213/ane.0000000000007012

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