The frequency and nature of neurological exams (neuro-checks) in patients with severe acquired brain injury resulting in coma or disorders of consciousness (DoC) remain variable, with limited evidence guiding practice and poor understanding of their role in predicting and preventing neurological deterioration, functional recovery and adverse effects such as delirium. This scoping review aims to explore the frequency of bedside neurological exams within the first 7 days of injury impact on clinical outcomes in adult patients with severe acquired brain injury including mortality, neurological deterioration, long-term function, and delirium. METHODS: A comprehensive literature search was conducted using the PubMed, CINAHL, Medline and EMBASE databases from 2003 to 2023. Search terms captured a range of acute brain injuries and neuro-assessment tools. Eligible studies included adult patients with severe traumatic or non-traumatic brain injury or stroke that addressed frequency of bedside neurological exams within the first 7 days of admission. RESULTS: Of 1327 studies screened, 20 met inclusion criteria, representing over 16,000 patients across 14 countries. Assessment tools varied, but use of the Glasgow Coma Scale was prevalent. Frequency of neuro-checks ranged from hourly to daily. Multiple outcome measures were utilized. Some studies found that continuing hourly neuro-checks beyond the first 48 hours did not provide additional clinical benefit. Others associated excessive assessment with increased stress or delirium. CONCLUSION: There is very low evidence supporting an association between the frequency of neuro-checks and functional outcomes, mortality, length of stay, or delirium. Although early assessments may aid prognostication, excessive exams may not improve outcomes and may contribute to harm. The heterogeneity, lack of evidence, and limited standardization of neuro-check frequency highlight the need for clinical research to guide future practice.
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