Perioperative medicine & outcomes

Postoperative Delirium after Dexmedetomidine versus Propofol Sedation in Healthy Older Adults Undergoing Orthopedic Lower Limb Surgery with Spinal Anesthesia: A Randomized Controlled Trial

AnesthesiologyPublished Randomised controlled trial

An erratum to this article was published (Anesthesiology, 1 Apr 2023 ↗)

Primary resultResult — go to the resultOdds ratio 0.42 95% CI 0.201–0.86

Authors' conclusion

Dexmedetomidine showed a lower incidence of postoperative delirium than propofol in healthy older adults undergoing lower extremity orthopedic surgery.

Study context

Population
Patients aged 65 yr or older scheduled for elective lower extremity orthopedic surgery with spinal anaesthesia, June 2017–October 2021732 in ITT analyses
Participants
748 patients
Comparison
Intraoperative dexmedetomidine vs propofol sedation
Primary endpoint
Postoperative delirium incidence (confusion assessment method)
Follow-up
First three postoperative days
Methodological detailsdouble-blinded
  • Double-blinded

Primary result

As reported in the abstract

Odds ratio

0.42

95% CI 0.201–0.86

P = 0.036

Events by treatment group

Dexmedetomidine vs Propofol
OR 0.42 (95% CI 0.201–0.86); P = 0.036

Secondary outcomes

MAP during sedation · higher with dexmedetomidine

P < 0.001

MAP in PACU · lower with dexmedetomidine

P < 0.001

Heart rate during sedation

Heart rate in PACU · lower with dexmedetomidine

P < 0.001

Heart rate during sedation

Lower heart rate with dexmedetomidine

Original publication

Postoperative Delirium after Dexmedetomidine versus Propofol Sedation in Healthy Older Adults Undergoing Orthopedic Lower Limb Surgery with Spinal Anesthesia: A Randomized Controlled Trial. Anesthesiology. Published 19 December 2022. doi:10.1097/aln.0000000000004438

Composed by AI from the published abstract and checked against it. How Briefs are made →

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