Objective:

To describe the interventions of each component of the ABCDEF bundle and their effectiveness in the prevention and treatment of delirium in patients hospitalized in intensive care units.

Content synthesis:

Scoping review using the MesH terms delirium and intensive care units, adding ABCDEF through the AND operator, in the databases Medline, Science-Direct, Virtual Health Library, and Scopus. A total of 23 articles were identified based on the inclusion criteria. From these works, it was possible to identify interventions for pain control (A), awakening and spontaneous breathing (B), sedation from analgesia and sedation (C), monitoring of delirium (D), early mobility (E), and family empowerment (F). The ABCDEF bundle and its components showed effectiveness in reducing the incidence and duration of delirium, as well as the days of mechanical ventilation and mortality.

Conclusions:

The ABCDEF bundle interventions identified were pain monitoring and its control with drugs and relaxation; the implementation of the protocol of awakening and spontaneous breathing according to safety criteria; the administration of analgesia before sedation -being this null or minimal-, monitoring the state of consciousness and depth of sedation with validated scales, as well as monitoring delirium at least once a day; early, progressive and maximum-potential mobilization; and engaging family members in the rounds, basic care, and prevention activities for treating delirium.

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