Informant Questionaire on Cognitive Decline in the Elderly (IQCODE) and Delirium in Geriatric Patients

Study Overview
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Brief Summary
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To investigate the usefulness of the Informant Questionaire on Cognitive Decline in the Elderly (IQCODE) to predict delirium in elderly patients admitted to Emergency Department (ED) with geriatric assessment and transferred to Geriatric ward.

Detailed Description
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Design: The project will be conducted as a prospective study. Methods: Exposure: The short IQCODE is a 16-item questionnaire that ask relatives about changes in the elderly patients cognitive performance over the previous 10 years. The score range from one to five, with a high score reflecting bad evolution through the years. Settings: Patients (aged ≥75 years) admitted to ED (medical and surgery) and transferred to a geriatric ward at Aarhus University Hospital, who meet the inclusion criteria will be asked if the staff is allowed to contact their relatives. By oral consent, the relatives are interviewed by telephone or at the hospital. The IQCODE are filled in during the interview. In the geriatric ward the assessment of delirium by a positive Confusion Assesment Method (CAM) is done twice a day and is part of the regular procedure in the Geriatric Department at Aarhus University Hospital. Sample size: The power calculation is based on a pilot study of IQCODE. The study that included 32 75-year-olds from geriatric ward at Aarhus University hospital, showed an no incidence of delirium of when the IQCODE-score was ≤3,125. On the contrary the incidence of delirium was 15% when the IQCODE-score was >3,125. With a power of 90% and a significance level of 5%, 76 patients should be included in each group to predict delirium. Time frame: Of the 80 admitted to the geriatric wards, only 20% in the pilot study had an IQCODE-score ≤3,125. With an expected response rate of 70%, the data collection period is expected to last five months.

Official Title
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Predict IQCODE Delirium in Geriatric Patients

Conditions
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Delirium in Old Age, Cognitive Decline

Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: Patients admitted to the emergency medical and surgery ward and transferred to a geriatric ward at Aarhus University Hospital in the period from the 20th of March to September 2017. Exclusion Criteria: Patients transferred to the geriatric ward in the evening and night as well as weekends and holidays, when there is no Geriatric staff present. Patients who upon admission are dying assessed by a geriatrician Patients with stroke where aphasia is present Patients with severe dementia without language Patients who are inability to understand or speak Danish

Ages Eligible for Study
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Minimum Age: 75 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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No

Study Plan
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How is the study designed?
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What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Delirium | Delirium diagnosed using the Confusion Assessment Method (CAM) - Danish version. Incidence of delirium is measured by the first positive CAM score. | Repeated measurements twice a day at 7-11 AM and 5-10 PM until discharge | 

 Terms related to the study
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Keywords Provided by Centre Hospitalier Valida
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Delirium, Cognitive decline, IQCODE