Involvement of cognitive abilities in the occurrence of fractures in fallers aged 55 years or older: a cross-sectional study - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Aging Clinical and Experimental Research Année : 2024

Involvement of cognitive abilities in the occurrence of fractures in fallers aged 55 years or older: a cross-sectional study

Résumé

Abstract Background Both bone fragility and poor cognitive functions are known to contribute to fracture occurrence, but it remains unclear whether their contribution is independent of each other and which cognitive dysfunctions are most involved. This study aimed to clarify the involvement of various cognitive abilities in fall-related fractures among community-dwelling fallers aged 55 and over, and to determine whether poor cognitive abilities is a risk factor independent of bone fragility. Methods In a cross-sectional study, we collected sociodemographic and medical data, including bone mineral density (BMD), and performed cognitive and mobility assessments in 189 individuals with a history of fall in the previous year. Results Fallers with a fracture had poorer cognitive and mobility performance than non-injured fallers. Multivariate regressions revealed that cognition, BMD and other risk factors were independently associated with fracture among all participants (OR = 1.04, 95% CI = 1.01–1.08, p = 0.034 for completion time on part A of the Trail Making Test [TMT-A], and OR = 0.53, 95% CI = 0.33–0.84, p < 0.001 for BMD), particularly in women (OR = 0.77, 95% CI = 0.60–0.98, p = 0.039 for backward digit span score, and OR = 0.43, 95% CI = 0.25–0.75, p = 0.001 for BMD). Conclusion Thus, poor cognition, especially poor processing speed and working memory, is associated with an increased risk of fracture in fallers, particularly in women, regardless of BMD or other fracture risk factors. Hence, an in-depth cognitive evaluation should enhance the detection of fallers at risk of fracture, particularly in the absence of signs of osteoporosis, and thus ensure the best possible prevention.
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Dates et versions

hal-04682225 , version 1 (30-08-2024)

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Elpidio Attoh-Mensah, Kristell Pothier, Gilles Loggia, Remy Morello, Chantal Chavoix, et al.. Involvement of cognitive abilities in the occurrence of fractures in fallers aged 55 years or older: a cross-sectional study. Aging Clinical and Experimental Research, 2024, 36 (1), pp.180. ⟨10.1007/s40520-024-02830-7⟩. ⟨hal-04682225⟩
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