An investigation of antihypertensive class, dementia, and cognitive decline

Objective High blood pressure is one of the main modifiable risk factors for dementia. However, there is conflicting evidence regarding the best antihypertensive class for optimising cognition. Our objective was to determine whether any particular class of antihypertensive was associated with a reduced risk of cognitive decline or dementia using comprehensive meta-analysis including reanalysis of original participant data. Methods To identify suitable studies MEDLINE, Embase and PsycINFO® and pre-existing study consortia were searched from inception to December 2017. Authors of prospective longitudinal human studies or trials of antihypertensives were contacted for data-sharing and collabor…