An Exploration of Serious Falls After Stroke Using a Large International Stroke Rehabilitation Database.

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An Exploration of Serious Falls After Stroke Using a Large International Stroke Rehabilitation Database.

Julian Wang, Julie Bernhardt, Hannah Johns, Leonid Churilov

Int J Stroke. 2025 Jan 7 17474930251314330 [Epub ahead of print]

BACKGROUND

Falls are common after stroke and can have serious consequences such as hip fracture. Prior research shows around half of individuals will fall within the 12 months post stroke and these falls are more likely to cause serious injury compared to people without stroke. However, there is limited research on risk factors collected in the immediate post-stroke period that may relate to falls risk. Furthermore, the circumstances and consequences surrounding falls resulting in serious adverse events (serious falls) is underexplored.

AIMS

Using longitudinal cohort data from A Very Early Rehabilitation Trial (AVERT), we aimed to describe the occurrence, consequences, and circumstances of serious falls over 12 months post stroke and examine potential risk factors associated with these serious falls.

METHODS

Data from participants included in the AVERT trial (n = 2104; recruited from 56 stroke units across five countries) were analysed. Serious falls were defined as those resulting in death, were life threatening, or required/prolonged hospitalisation. Baseline variables included: demographics, pre-morbid function, stroke severity, hemi-neglect, functional independence and mobility. Statistical analysis included Wilcoxon-Mann-Whitney tests, Fisher's tests, and Firth's logistic regressions (adjusting for age, stroke severity and AVERT intervention group).

RESULTS

Of the 2104 participants, 85 (4%) experienced at least one serious fall (mean age 78.1 years, 45 male), with 91 individual falls. Fifty-five (60%) serious falls resulted in fracture, with 23 (42%) being hip fractures. Two (2%) falls resulted in death. Serious falls were most common during the day (26 of 38 reported), at home (30 of 63 reported) and while ambulating (22 of 42 reported). More serious falls were experienced by participants who were older, had worse premorbid mobility, were unable to walk 10m independently in the first 24 hours post-stroke, or required longer than 14 days to walk 50m unassisted.

CONCLUSIONS

This large international prospective study found 1 in 25 stroke survivors experienced serious falls in the first year after stroke. Fractures were a common outcome of these falls, but the true post-stroke fracture rate is likely to be underestimated due to our study methods, such as the exclusion of individuals with poor premorbid mobility and the absence of data on fractures not relating to falls or leading to an inpatient hospital admission. Clear associations between older age, impaired pre- and early post-stroke mobility and heightened risk of serious falls were found. Integrating these factors into post-stroke screening tools could improve identification of individuals at greater risk of serious falls and lead to more focused rehabilitation and injury prevention.

Source: International journal of stroke : official journal of the International Stroke Society