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Ann Emerg Med. 1994 Apr;23(4):813-7.

Case finding for cognitive impairment in elderly emergency department patients.

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  • 1Division of Community Health Sciences, Northeastern Ohio Universities, College of Medicine, Rootstown.

Abstract

STUDY OBJECTIVES:

To determine the feasibility of a case-finding program for cognitive impairment in elderly emergency department patients, and to describe the prevalence of cognitive impairment in screened patients and identify factors associated with impairment.

DESIGN:

A three-month cross-sectional study. The six-item Orientation-Memory-Concentration (OMC) Test was administered to eligible patients.

SETTING:

Community teaching hospital with annual ED census of 69,000 adults.

PARTICIPANTS:

All patients 65 years of age and older physically able to communicate and without a prior diagnosis of dementia were eligible. Five hundred forty-seven of 958 patients (59%) were interviewed; only 95 (10%) refused. Other reasons for exclusion were too ill, 113 (12%); other (sleeping, privacy, repeat visits, incomplete forms), 99 (10%); known dementia, 59 (6%); and communication problems, 45 (5%).

RESULTS:

A mean time of 1.9 minutes (+/- 0.91 SD) was required to complete the test. One hundred eighty-three of 547 patients (33.5%) had scores that indicated at least moderate cognitive impairment. Logistic regression analyses identified two factors associated with impairment: age of more than 80 years (odds ratio, 3.68; 95% confidence interval, 2.21-6.14) and residence in a nursing home (odds ratio, 13.8; 95% confidence interval, 3.79-50.2).

CONCLUSION:

Screening for cognitive impairment in elderly ED patients using the OMC Test is feasible. There is a high prevalence of cognitive impairment in elderly ED patients, and the prevalence increases with age. Identification of cognitive impairment is important in the assessment of elderly ED patients and may affect clinical evaluation, patients' understanding of medical information, and compliance with discharge instructions.

PMID:
8161052
[PubMed - indexed for MEDLINE]
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