Table 3

Delirium assessment

Baseline visits assessmentPostoperative assessment D0–D10
Before randomisationIn surgery or medical wardIn ICU
Modalities
  1. Contact the proxy or caregiver

  2. Ask him/her if the patient is known for having dementia (if this diagnosis is not already known)

  3. Ask him/her if the patient is more confused lately

  4. Interview the patient using the Mini COG test

  5. Answer the CAM questionnaire

  1. Chart review and discussion with nurse in charge about fluctuation and acute change of cognition in the last 24 hours

  2. Interview the patient using the Mini COG test

  3. Answer the CAM questionnaire

  1. Chart review and discussion with nurse in charge about fluctuation and acute change of cognition in the last 24 hours

  2. Level of consciousness assessment by RASS

  3. CAM-ICU questionnaire (if RASS ≥ −3)

PretestMini-Cog test
(see online supplemental material 1)
Mini-Cog test
(see online supplemental material 1)
Richmond Agitation and Sedation Scale RASS ≥ −3
(see online supplemental material 1)
CAMFeature 1—Acute change or fluctuation (any symptom)
AND
Feature 2—Inattention
AND EITHER
Feature 3—Disorganised thinking
OR
Feature 4—Altered level of consciousness
Feature 1—Acute change or fluctuation (any symptom)
AND
Feature 2—Inattention
AND EITHER
Feature 3—Disorganised thinking
OR
Feature 4—Altered level of consciousness
Feature 1—Acute change or fluctuation (any symptom)
AND
Feature 2—Inattention
AND EITHER
Feature 3—Disorganised thinking
OR
Feature 4—Altered level of consciousness
Primary endpointXPositive CAMPositive CAM-ICU
  • CAM, Confusion Assessment Method.