The term polypharmacy has negative connotations due to its association with adverse drug reactions and falls. This spectrum of adverse events widens when polypharmacy occurs among the already vulnerable geriatric population. To date, there is no consensus definition of polypharmacy, and diverse definitions have been used by various researchers, the most common being the consumption of multiple number of medications. Taking multiple medications is considered a risk factor for falls through the adverse effects of drug-drug or drug-disease interactions. Falls studies have determined that taking ≥ 4 drugs is associated with an increased incidence of falls, recurrent falls, and injurious falls. In light of existing evidence, careful and regular medication reviews are advised to reduce the effect of polypharmacy on falls. However, intervention studies on medication reviews and their effectiveness on falls reduction have been scarce. This article reviews and discusses the evidence behind polypharmacy and its association with falls among older individuals, and highlights important areas for future research.
Among high risk fallers, the use of two or more FRID was an independent risk factor for falls instead of polypharmacy. Our findings will inform clinical practice in terms of medication reviews among older adults at higher risk of falls. Future intervention studies will seek to confirm whether avoidance or withdrawal of multiple FRID reduces the risk of future falls. Geriatr Gerontol Int 2017; 17: 463-470.
Hypertension is a highly prevalent condition among older people, but many physicians avoid aggressive treatment in this age group due to concerns about adverse effects such as orthostatic hypotension and falls. Orthostatic hypotension, which also increases in prevalence with increasing age, has been considered to be associated with antihypertensive therapy. Both orthostatic hypotension and antihypertensive medications are considered independent yet closely related predictors for falls among older people. The prescription of antihypertensive therapy among the elderly remains a long-standing controversy in geriatric medicine due to ongoing concerns about potential complications such as falls, despite conclusive evidence supporting the treatment of hypertension even among the very elderly. However, recent evidence suggests a dose-dependent relationship between blood pressure lowering therapy and falls among older individuals with preexisting risk factors for falls. In response to the spate of revisions in hypertension treatment targets for older patients in international guidelines and the recent evidence on antihypertensive therapy and falls, this review article examines the complex relationship between hypertension, antihypertensives, orthostatic hypotension, and falls among older patients.
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