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Donnell, DO; Romero-Ortuno, R; Kennelly, S; Kenny, RA; Lavan, A; Neill, DO; McElwaine, P; Briggs, R
Age and ageing, 10/2022, Letnik: 51, Številka: Supplement_3Journal Article
Abstract Background Orthostatic Hypotension (OH), cognitive impairment and mobility impairment frequently co-occur in older adults who fall. The aim of this study was to examine the clustering of these three geriatric syndromes and ascertain their longitudinal associations with falls and fractures in a large cohort of community-dwelling older people (≥65 years). Methods This study utilized data from Waves 1-5 of TILDA. OH was defined as a drop of ≥20 mmHg in systolic blood pressure when measured after standing from a seated position and/or reporting unsteadiness when getting up from a chair. Cognitive impairment was defined as MMSE ≤24 and/or self-reporting memory as fair or poor. Mobility impairment was defined as 'Timed Up and Go' ≥12 seconds. Logistic regression models, including 3-way interactions, were used to assess the longitudinal associations of the three geriatric syndromes with future falls (explained and unexplained) and fractures. Results Of those with at least one geriatric syndrome (993/2108, 47%), over two-thirds (644/993) had any one of the three, one-quarter had any two (261/993) and almost 10% (88/993) had all three syndromes. One-fifth of the study sample had an unexplained fall during follow-up (mean 6.6 years), while one-tenth had a fracture. In fully adjusted models, the cluster of OH, cognitive impairment and mobility impairment was associated with a greater than 4-fold likelihood of unexplained fall (Odds Ratio 4.36 (2.61–7.28); p<0.001) and double the likelihood of incident fracture (Odds Ratio 2.51 (1.27–4.96); p=0.008) during follow-up, when compared to other clusters. There was no association with explained falls. Conclusion The ‘Bermuda Triangle’ of co-existing OH, cognitive impairment and mobility impairment, was independently associated with increased risk of future unexplained falls and fractures amongst community-dwelling older people. This simple risk identification scheme may represent an ideal target for multifaceted falls prevention strategies in community-dwelling older adults.
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in: SICRIS
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