Please use this identifier to cite or link to this item: https://ahro.austin.org.au/austinjspui/handle/1/16053
Title: Polypharmacy and medication regimen complexity as factors associated with staff informant rated quality of life in residents of aged care facilities: a cross-sectional study
Austin Authors: Lalic, S;Jamsen, KM;Wimmer, BC;Tan, EC;Hilmer, SN;Robson, L;Emery, T;Bell, JS
Affiliation: Centre for Medicine Use and Safety, Faculty of Pharmacy and Pharmaceutical Sciences, Monash University, Melbourne, Australia
Pharmacy Department, Austin Health, Melbourne, Melbourne, Australia
NHMRC Cognitive Decline Partnership Centre, Hornsby Ku-ring-gai Hospital, Hornsby, NSW, Australia
Departments of Clinical Pharmacology and Aged Care, Kolling Institute of Medical Research, Sydney Medical School, Royal North Shore Hospital, The University of Sydney, Sydney, Australia
Resthaven Incorporated, Adelaide, Australia
Sansom Institute, School of Pharmacy and Medical Sciences, University of South Australia, Adelaide, Australia
Issue Date: 2-Jun-2016
Publication information: European Journal of Clinical Pharmacology 2016
Abstract: PURPOSE: The purpose of this study is to investigate the association between polypharmacy with health-related quality of life (HRQoL) and medication regimen complexity with HRQoL in residential aged care facilities (RACFs). METHODS: A cross-sectional study of 383 residents from six Australian RACFs was conducted. The primary exposures were polypharmacy (≥9 regular medications) and the validated Medication Regimen Complexity Index (MRCI). The outcome measure was staff informant rated quality of life assessed using the Quality of Life Alzheimer's disease (QoL-AD) scale. Covariates included age, sex, Charlson's comorbidity index, activities of daily living, and dementia severity. Logistic quantile regression was used to characterize the association between polypharmacy and QoL-AD (model 1) and MRCI and QoL-AD (model 2). RESULTS: The median age of the 383 residents was 88 years and 297 (78 %) residents were female. In total, 63 % of residents were exposed to polypharmacy and the median MRCI score (range) was 43.5 (4-113). After adjusting for the covariates, polypharmacy was not associated with either higher or lower QoL-AD scores (estimate -0.02; 95 % confidence interval (CI) -0.165, 0.124; p = 0.78). Similarly, after adjusting for the covariates, MRCI was not associated with either higher or lower QoL-AD scores (estimate -0.0009, 95 % CI -0.005, 0.003; p = 0.63). CONCLUSIONS: These findings suggest that polypharmacy and medication regimen complexity are not associated with staff informant rated HRQoL. Further research is needed to investigate how specific medication classes may impact change in quality of life over time.
URI: http://ahro.austin.org.au/austinjspui/handle/1/16053
DOI: 10.​1007/​s00228-016-2075-4
PubMed URL: https://pubmed.ncbi.nlm.nih.gov/27251360
Type: Journal Article
Subjects: Medication regimen complexity
Nursing homes
Polypharmacy
Quality of life
Residential aged care
Appears in Collections:Journal articles

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