Perioperative medicine & outcomes

Preoperative Cognitive Impairment and Postoperative Delirium in Elderly Surgical Patients: A Retrospective Large Cohort Study (The CIPOD Study)

Ann SurgPublished Retrospective cohort study

Main findingResult — go to the resultAdjusted odds ratio 3.3 95% CI 2.3–4.7

Authors' conclusion

One-fifth of elective surgical patients ≥70 years present to surgery with preoperative cognitive impairment. These patients are at increased risk of postoperative delirium and major adverse outcomes.

Study context

Population
Elective noncardiac surgical patients ≥70 years without pre-existing dementia, January–December 2020screened of 1518 eligible
Participants
1,338 patients
Exposure
Preoperative cognitive impairment vs no cognitive impairment
  • Cognitive impairmentn = 279
Outcome
Postoperative delirium (4A's test score ≥4) in PACU and initial 2 postoperative days
Methodological detailssingle-centre, prospectively collected data
  • Single-centre
  • Prospectively collected data

Main finding

As reported in the abstract

Adjusted odds ratio

3.3

95% CI 2.3–4.7

By group

Cognitive impairment vs No cognitive impairment
aOR 3.3 (95% CI 2.3–4.7)
Overall postoperative delirium
15% (199/1338)

Observational data: associations, not effects.

Further findings

Hospital LOS

Median 1-day longer hospital stay with cognitive impairment

Parts of this Brief are withheld: the automatic checks could not confirm them against the abstract.

Original publication

Preoperative Cognitive Impairment and Postoperative Delirium in Elderly Surgical Patients: A Retrospective Large Cohort Study (The CIPOD Study). Ann Surg. Published 1 August 2022. doi:10.1097/sla.0000000000005657

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

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