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Psychosomatics. 2016 Mar-Apr;57(2):194-9. doi: 10.1016/j.psym.2015.10.008. Epub 2015 Oct 26.

"Alert and Oriented × 3?" Correlates of Mini-Cog Performance in a Post/Nondelirious Intensive Care Unit Sample.

Author information

1
Division of Consultation-Liaison Psychiatry & Division of Pulmonary and Critical Care Medicine, Henry Ford Hospital, Wayne State University, Detroit, MI. Electronic address: MKetter1@hfhs.org.
2
Division of Consultation-Liaison Psychiatry & Division of Pulmonary and Critical Care Medicine, Henry Ford Hospital, Wayne State University, Detroit, MI.

Abstract

BACKGROUND:

Cognitive impairment has been found to be a predictor of adverse medical outcomes, including nonadherence, recurrent medical crises resulting in early readmissions, and death.

OBJECTIVE:

The Mini-Cog has been proposed for bedside/clinic cognitive testing. Its validity as a measure of central nervous system (CNS) impairment has never been tested against measures of CNS-medical history, CNS scans, selected laboratory findings, observed in-hospital nondelirious memory impairment, or collateral history from family.

METHODS:

We observed Mini-Cog performance in 107 post/nondelirious medical intensive care unit patients and tested its association with age, CNS-medical history, CNS scans, selected laboratory findings, and behavioral history (in-hospital observation of memory problems and collateral history from family or significant others).

RESULTS:

The overall Mini-Cog covaried with age, various measures of CNS impairment, abnormal laboratory findings, and measures of preadmission "forgetfulness" per family and by in-hospital staff observation. Unique variance in predicting overall Mini-Cog scores included age, positive CNS scan, and behavioral history. Of 91 patients found to be "alert and oriented × 3," 76% were impaired in immediate memory, short-term memory, or clock drawing.

CONCLUSIONS:

The Mini-Cog appears to be a brief, yet valid, measure of CNS dysfunction that significantly enhances sensitivity of evaluation at the bedside. Failure to evaluate patients with a formal examination like the Mini-Cog appears to miss up to 76% of patients with moderate cognitive impairment.

PMID:
26805587
DOI:
10.1016/j.psym.2015.10.008
[Indexed for MEDLINE]

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