Exposure to potentially harmful drug-disease interactions in older community-dwelling veterans based on the Healthcare Effectiveness Data and Information Set quality measure: who is at risk?
- PMID: 21831166
- PMCID: PMC3390785
- DOI: 10.1111/j.1532-5415.2011.03524.x
Exposure to potentially harmful drug-disease interactions in older community-dwelling veterans based on the Healthcare Effectiveness Data and Information Set quality measure: who is at risk?
Abstract
Objectives: To identify prevalence and risk factors for exposure to drug-disease interactions included in the Healthcare Effectiveness Data and Information Set (HEDIS) Drug-Disease Interaction (Rx-DIS) measure.
Design: Cross-sectional retrospective database analysis.
Setting: Outpatient clinics within the Department of Veterans Affairs (VA).
Participants: Individuals aged 65 and older who received VA outpatient care between October 1, 2003, and September 30, 2006.
Measurements: Rx-DIS exposure based on the HEDIS measure was identified in VA patients with dementia, falls, and chronic renal failure using VA pharmacy and administrative databases. Factors associated with Rx-DIS exposure were examined, including demographic, health status, and access-to-care factors, including VA outpatient health services use and copayment status.
Results: Of the 305,041 older veterans who met criteria for inclusion, the 1-year prevalence of Rx-DIS exposure was 15.2%; prevalence was 20.2% for dementia, 16.2% for falls, and 8.5% for chronic renal failure. Patients with high disease burden (physical, psychiatric, number of medications) were significantly more likely to have Rx-DIS exposure, regardless of condition. Hispanics and individuals with no copayments were more likely to have Rx-DIS exposure than whites or those with required copayments. There was variation in other predictors based on the type of Rx-DIS.
Conclusion: The prevalence of Rx-DIS was common in older VA outpatients. Future studies should examine the risk of Rx-DIS exposure on health outcomes using separate analyses for each type of Rx-DIS separately before combining all Rx-DIS into a single measure of exposure. Studies that examine the effectiveness of interventions to reduce Rx-DIS exposure will also be helpful in improving the quality of care for older adults.
© 2011, Copyright the Authors. Journal compilation © 2011, The American Geriatrics Society.
Conflict of interest statement
[Table: see text]
Dr. Pugh has received research funding from
Dr Berlowitz has received funding from VA HSR&D RRP 09-112 as PI,
Dr. Hanlon has received research funding from National Institute of Aging grants (R01AG027017, P30AG024827, T32 AG021885, K07AG033174, R01AG034056), a National Institute of Mental Health grant (R34 MH082682), a National Institute of Nursing Research grant (R01NR010135), an Agency for Healthcare Research and Quality grant (R01HS017695) and from
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- R01 AG034056/AG/NIA NIH HHS/United States
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- R01AG027017/AG/NIA NIH HHS/United States
- R01 NR010828/NR/NINR NIH HHS/United States
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