ArticleMedical care2025
Falls and Fractures Among Medicare Beneficiaries Concurrently Receiving Anti-Dementia Drugs and Potentially Risky Medications.
Article in Medical care, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundPatients with Alzheimer disease and related dementias (ADRD) face risks from medications labeled "potentially inappropriate in older adults" (risky); concurrent receipt of anti-dementia drugs may amplify risk. We studied adverse events among older adults concurrently receiving anti-dementia and risky medications.
methodsUsing 2016-2019 administrative data from a random 40% sample of fee-for-service Medicare beneficiaries receiving anti-dementia medications (acetylcholinesterase inhibitors (AChEI) and/or memantine), we identified days with concurrent receipt of select, risky medications (benzodiazepines, sedative hypnotics, opioids). We measured diagnosed falls, hip fractures, and deaths among person-days with anti-dementia drug receipt comparing person-days with versus without concurrent risky drug receipt. We stratified regression analyses on long-term care (LTC) residence.
resultsWe studied 633,528 beneficiaries; 64.3% were women, 33.7% met LTC residence criteria. Mean (SD) age was 80.9 (7.6) years. Each beneficiary contributed a mean (SD) of 551.7 (449.2) anti-dementia drug receipt days. Overall, 4.5% of person-days involved receipt of AChEI plus benzodiazepines; 3.8% involved AChEI plus an opioid. Falls, the most common outcome, affected 22.5% of our beneficiaries. Concurrent receipt of AChEI and opioids was associated with the greatest fall risk increase. Among community-dwelling beneficiaries, AChEI and opioid receipt (vs. AChEI alone) was associated with a hazard ratio for falls of 2.25 (95% CI: 2.19, 2.32); among LTC residents the corresponding hazard ratio was 1.46 (95% CI: 1.42, 1.51).
conclusionsAssessment and treatment of symptoms among people with ADRD is complex; concurrent receipt of opioids and dementia medications is uncommon but seems risky. Efforts to eliminate avoidable opioids may decrease adverse events and associated suffering in this population.
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