Adherence to medication decreases with increasing age, and with d

Adherence to medication decreases with increasing age, and with decreasing cognitive ability, thus elderly, cognitively-impaired patients have poorer control of blood pressure. Good control of blood pressure is associated with decreased prevalence of dementia and Alzheimer’s Etoposide disease. This study assessed the evidence that antihypertensive medications have effects on the prevalence or severity of mild cognitive impairment, dementia or Alzheimer’s disease. Methods  The ISI Web of Knowledge database was searched; including replicates, the nine searches identified 14 400 publications since 1952, of which 9.9% had been

published in 2009. This review considers the 18 studies meeting the set criteria published in 2009 or later. Key findings  Not all antihypertensive medications are equivalent in their positive cognitive effects, with brain-penetrating angiotensin-converting-enzyme inhibitors and possibly angiotensin receptor antagonists being the most effective. Conclusions  Based on evidence of blood-pressure control and cost, UK National Institute for Health Ganetespib cell line and Clinical Excellence guidelines recommend calcium-channel blockers or thiazide-type diuretics for the treatment of hypertension in patients over 55 years. These guidelines take no account of the potential cognitive effects

of the antihypertensive therapies, consideration of which might lead to a review. There may be benefit in stressing that adherence to antihypertensive medication not only decreases the risk of cardiovascular disease and death, but may also decrease the risk or severity of mild cognitive impairment, dementia and Alzheimer’s disease. Patient adherence to health-related advice and

to medication is a major area of concern ROS1 to healthcare providers in general, and to pharmacists in particular. Estimates of adherence to medication vary drastically depending on clinical condition and patient characteristics, but one might expect adherence to be lowest in a chronic, symptomless condition such as hypertension, and in a population with sub-optimal cognitive ability, for example the very young, the very old or the poorly educated. Turner et al.[1] studied 202 hypertensive patients aged over 70 years; 20% of the patients between 70 and 79 years were classed as being non-adherent to their medication, which increased to 26% in those aged 80 or above. ‘Among respondents who admitted to non-adherence, at least 25% reported it was due to: simply forgot, ran out, too busy with other things and a change in routine such as a weekend’[1]. These reasons bear a striking resemblance to the features of mild cognitive impairment; that is, impairment of memory, even in the presence of semantic clues, but otherwise normal cognitive function.[2] Vinyoles et al.,[3] in a similar study, looked at the relationship between cognitive impairment in hypertensive patients and adherence to medication.

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