Orthostatic hypotension and cognitive impairment: Systematic review and meta-analysis of longitudinal studies - Archive ouverte HAL
Article Dans Une Revue Maturitas Année : 2024

Orthostatic hypotension and cognitive impairment: Systematic review and meta-analysis of longitudinal studies

Résumé

The association between cognitive disorders and orthostatic hypotension (OH) has been empirically explored, but the results have been divergent, casting doubt on the presence and direction of the association. The objective of this meta-analysis was to systematically review and quantitatively synthesize the association of OH and cognitive function, specifically mean score on the Mini-Mental State Examination (MMSE), cognitive impairment and incident dementia. A Medline search was conducted in May 2022 with no date limit, using the MeSH terms "orthostatic hypotension" OR "orthostatic intolerance" OR "hypotension" combined with the Mesh terms "cognitive dysfunction" OR "Alzheimer disease" OR "dementia" OR "cognition disorder" OR "neurocognitive disorder" OR "cognition" OR "neuropsychological test". Of the 746 selected studies, 15 longitudinal studies met the selection criteria, of which i) 5 studies were eligible for meta-analysis of mean MMSE score comparison, ii) 5 studies for the association of OH and cognitive impairment, and iii) 6 studies for the association between OH and incident dementia. The pooled effect size in fixed-effects meta-analysis was: i) -0.25 (-0.42; -0.07) for the mean MMSE score, which indicates that the MMSE score was lower for those with OH; ii) OR (95 % CI) = 1.278 (1.162; 1.405), P < 0.0001, indicating a 28 % greater risk of cognitive impairment for those with OH at baseline; and iii) HR (95 % CI) = 1.267 (1.156; 1.388), P < 0.0001, indicating a 27 % greater risk of incident dementia for those with OH at baseline. Patients with OH had a lower MMSE score and higher risk of cognitive impairment and incident dementia in this meta-analysis of longitudinal studies. This study confirmed the presence of an association between OH and cognitive disorders in older adults.
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Dates et versions

hal-04713740 , version 1 (30-09-2024)

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Guillaume Duval, Eve Raud, Hugo Gohier, Moustapha Dramé, Maturin Tabue-Teguo, et al.. Orthostatic hypotension and cognitive impairment: Systematic review and meta-analysis of longitudinal studies. Maturitas, 2024, 185, pp.107866. ⟨10.1016/j.maturitas.2023.107866⟩. ⟨hal-04713740⟩
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