Feasibility of cognitive training in critically ill patients: a pilot study

Abstract

Background Delirium occurs frequently in the intensive care unit and is associated with detrimental consequences. Cognitive training is a promising, nonpharmacologic, preventive intervention, but it is unknown whether cognitive training is feasible for patients in intensive care units.

Objectives To examine the feasibility for both nurses and patients of using cognitive training exercises for intensive care unit patients.

Methods A pilot study of a set of cognitive training exercises in a large, academic intensive care unit. Feasibility of the exercises, operationalized as practicability and burden for the patient and the nurse, was tested in multiple rounds and evaluated using Likert scales and open-ended questions, patients’ vital signs, and time investment.

Results In total, 75 patients were included. During the first round, 11 exercises were separately tested by nursing researchers in 44 cooperative patients (50% with delirium). Four exercises were evaluated as burdensome and were excluded. Vital signs did not alter during execution. In a second round, the remaining exercises were tested in 31 patients (52% with delirium) by their attending nurse. All exercises were rated as practicable and not burdensome by the patients and the nurses. Total time investment per exercise was a median 4.5 (interquartile range, 3.0–5.0) minutes.

Conclusion Cognitive training exercises used in this study were feasible for intensive care unit patients (including cooperative patients with delirium) and their nurses. More research is needed to determine the clinical effect of the exercises on delirium outcome.

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Identifiers

ORCID for Lisette Schoonhoven: orcid.org/0000-0002-7129-3766

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