Cognitive Dysfunction, Medication Management, and the Risk of Readmission in Hospital Inpatients.

Link to article at PubMed

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Cognitive Dysfunction, Medication Management, and the Risk of Readmission in Hospital Inpatients.

J Am Geriatr Soc. 2016 Jun 15;

Authors: Anderson RE, Birge SJ

Abstract
OBJECTIVES: To determine whether cognitive dysfunction, in particular impaired executive function, may be a risk factor for early readmission in older adults independently managing their medications.
DESIGN: Prospective observational study.
SETTING: Tertiary hospital.
PARTICIPANTS: Individuals aged 65 years and older discharged to home from the medicine service of a tertiary hospital (N = 452).
MEASUREMENTS: Participants underwent a cognitive assessment including the Short Blessed Test (SBT), the executive function component of the Montreal Cognitive Assessment, and the Trail-Making Test Part B (TMT-B). Hospital use and demographic data were obtained. A logistic regression model was used to fit the likelihood of readmission on the basis of participant characteristics, medication management, and cognitive performance. Likelihood of hospital readmission within 30 days was determined.
RESULTS: For participants managing medications themselves, adjusted 30-day odds of readmission increased 13% on average with each point decrease in SBT score (P = .003) and 9% on average with each 0.01 decrease in TMT-B score (P = .02). For participants who were independent in medication management with more than seven medications, the odds of 30-day readmission increased 16% on average with each point decrease in SBT score (P = .01) and 15% on average with each 0.01 decrease in TMT-B score (P = .03).
CONCLUSION: Cognitive dysfunction, particularly executive dysfunction, is a risk factor for readmission in individuals managing their own medications. This risk is greater in individuals taking more than seven medications. The interaction of cognitive function, medication management, and number of medications may enhance risk-stratification efforts to identify individuals at risk of early readmission.

PMID: 27305636 [PubMed - as supplied by publisher]

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