SynthesisNursing in critical care2026
Severity and Associated Factors of Alarm Fatigue Among Intensive Care Unit Nurses: A Systematic Review and Meta-Analysis.
Synthesis in Nursing in critical care, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundAlarm fatigue is a critical concern in intensive care units (ICUs), affecting nurse well-being and patient safety. It may reflect interacting conditions within the clinical work system, yet evidence on its severity and associated factors among ICU nurses remains fragmented.
aimTo synthesise evidence on alarm fatigue severity and associated factors among ICU nurses. STUDY
designEleven databases were searched from inception to July 2025. Observational studies assessing alarm fatigue among ICU nurses using measurement tools with reported reliability were included. A random-effects meta-analysis was performed for alarm fatigue severity, stratified by instrument; associated factors and adverse outcomes were synthesised narratively using direction-of-association plots.
resultsA total of 28 studies involving 6908 ICU nurses were included, of which 27 reported alarm fatigue scores. For the Iranian Alarm Fatigue Questionnaire, the most common instrument, the pooled mean was 26.12 (95% CI: 23.94-28.30). Heterogeneity was extremely high (I
conclusionsAlarm fatigue among ICU nurses appeared to show a moderate tendency overall, although findings should be interpreted cautiously because of substantial heterogeneity. Evidence on associated factors remains scattered, with task-, technology- and environment-related factors comparatively underexplored. RELEVANCE TO CLINICAL PRACTICE: Alarm fatigue may be usefully considered from a clinical work-system perspective. Greater attention to task, technology and environmental factors may inform future practice improvement. REVIEW REGISTRATION: Prospero registration number: CRD42024565806.
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