This systematic review examined the association between atrial fibrillation (AF) and dementia. Fifteen relevant studies were considered covering 46,637 participants, mean age 71.7 years.
An association between atrial fibrillation (AF) and increased incidence of dementia was discovered in patients with stroke, but there remains uncertainty about any such link in the broader population. The potential association between AF and mild cognitive impairment (MCI) may be worth further investigation.
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Kwok, CS. Loke, YK. [and] Hale, R. [et al] (2011). Atrial fibrillation and incidence of dementia: a systematic review and meta-analysis. Neurology, March 8th 2011, Vol.76(10), pp.914-22. (Click here to view the PubMed abstract).