In this study, the relevant RCTs on cognitive exercise in ICU inpatients with delirium were screened for systematic evaluation and meta-analysis, aiming to explore the impact of cognitive exercises and routine nursing on the incidence of delirium.

Meta-analysis results confirmed that cognitive exercises can reduce the incidence of delirium and duration of delirium in patients in the ICU, and shorten the length of hospitalization of patients.

The limitation of this study was that there were few related studies on ICU inpatients after discharge, and follow-up visits need to be added to future studies to understand the long-term therapeutic effect of cognitive exercises on delirium.

In conclusion, this study provides an evidence-based reference for the application of cognitive exercises in ICU inpatients.

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