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- Title
Frailty and Potentially Inappropriate Medication Use at Nursing Home Transition.
- Authors
Maclagan, Laura C.; Maxwell, Colleen J.; Gandhi, Sima; Guan, Jun; Bell, Chaim M.; Hogan, David B.; Daneman, Nick; Gill, Sudeep S.; Morris, Andrew M.; Jeffs, Lianne; Campitelli, Michael A.; Seitz, Dallas P.; Bronskill, Susan E.
- Abstract
Background/Objectives To estimate the prevalence of potentially inappropriate medication ( PIM) use among older adults with cognitive impairment or dementia prior to and following admission to nursing homes and in relation to frailty. Design Retrospective cohort study using health administrative databases. Setting Ontario, Canada. Participants 41,351 individuals with cognitive impairment or dementia, aged 66+ years newly admitted to nursing home between 2011 and 2014. Measurements PIMs were defined with 2015 Beers Criteria and included antipsychotics, H2-receptor antagonists, benzodiazepines, and drugs with strong anticholinergic properties. Medication information was obtained at nursing home admission and in the subsequent 180 days. Multivariable Cox proportional-hazards models were used to assess the impact of frailty status (determined by a 72-item frailty index) on the hazard of starting and discontinuing PIMs. Results At admission, 44% of residents with cognitive impairment or dementia were on a PIM and prevalence varied by frailty (38.7% non-frail, 42.8% pre-frail, and 48.1% frail, P < .001). Following admission, many residents discontinued PIMs (23.5% for antipsychotics, 49.3% benzodiazepines, 32.2% anticholinergics, and 30.9% H2-receptor antagonists). However, PIMs were also introduced with 10.9% newly started on antipsychotics, benzodiazepines (10.1%), anticholinergics (6.6%), and H2-receptor antagonists (1.2%). After adjustment for other characteristics, frail residents had a similar risk of PIM discontinuation as non-frail residents except for anticholinergics ( HR = 1.21, 95% CI 1.06-1.39) but were more likely to be newly prescribed benzodiazepines ( HR = 1.32, 95% CI 1.20-1.44), antipsychotics ( HR = 1.36, 1.23-1.49), and anticholinergics ( HR = 1.34, 95% CI 1.20-1.50). Conclusion Many residents with cognitive impairment or dementia enter nursing homes on PIMs. PIMs are more likely to be started in frail individuals following admission. Interventions to support deprescribing of PIMs should be implemented targeting frail individuals during the transition to nursing home.
- Subjects
ONTARIO; FRAGILITY (Psychology); MEDICATION abuse; MEDICAL care of nursing home patients; DEMENTIA patients; COGNITION disorders in old age; NURSING care facility admission; ANTIPSYCHOTIC agents; NURSING care facilities; MEDICAL care; THERAPEUTICS; INAPPROPRIATE prescribing (Medicine); BENZODIAZEPINES; COGNITION disorders; CONFIDENCE intervals; FRAIL elderly; NURSING home patients; PARASYMPATHOMIMETIC agents; PROBABILITY theory; TRANQUILIZING drugs; PROPORTIONAL hazards models; RETROSPECTIVE studies; DESCRIPTIVE statistics; H2 receptor antagonists
- Publication
Journal of the American Geriatrics Society, 2017, Vol 65, Issue 10, p2205
- ISSN
0002-8614
- Publication type
Article
- DOI
10.1111/jgs.15016