Journal
JOURNAL OF THE AMERICAN MEDICAL DIRECTORS ASSOCIATION
Volume 22, Issue 12, Pages 2540-+Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jamda.2021.07.009
Keywords
Nursing home; hypertension; deprescribing; epidemiology; functional status
Categories
Funding
- National Institute on Aging (NIA) [R56AG055576, RF1AG062568, R24AG064025, K24AG049057, R01AG057751, K76AG059929]
- VA HSRD [IIR 15-434]
- American Heart Association Established Investigator Award
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The study evaluated the incidence of deprescribing antihypertensive medication among older adults in VA nursing homes, finding that 70.4% of residents had at least one deprescribing event during their stay, with 48.7% experiencing a net reduction in antihypertensive medications. Among potentially triggering events, a 50% increase in serum creatinine was associated with the greatest likelihood of deprescribing, while a fall in the past 30 days was associated with the smallest increased risk of deprescribing.
Objectives: To evaluate the incidence of deprescribing of antihypertensive medication among older adults residing in Veterans Affairs (VA) nursing homes for long-term care and rates of deprescribing after potentially triggering events. Design: Retrospective cohort study. Setting and Participants: Long-term care residents aged 65 years and older admitted to a VA nursing home from 2006 to 2019 and using blood pressure medication at admission. Methods: Data were extracted from the VA electronic health record, and Centers for Medicare & Medicaid Services Minimum Data Set and Bar Code Medication Administration. Deprescribing was defined on a rolling basis as a reduction in the number or dose of antihypertensive medications, sustained for >2 weeks. We examined potentially triggering events for deprescribing, including low blood pressure (<90/60 mmHg), acute renal impairment (creatinine increase of 50%), electrolyte imbalance (potassium below 3.5 mEq/L, sodium decrease by 5 mEq/L), and falls. Results: Among 31,499 VA nursing home residents on antihypertensive medication, 70.4% had >1 deprescribing event (median length of stay = 6 months), and 48.7% had a net reduction in antihypertensive medications over their stay. Deprescribing events were most common in the first 4 weeks after admission and the last 4 weeks of life. Among potentially triggering events, a 50% increase in serum creatinine was associated with the greatest increase in the likelihood of deprescribing over the subsequent 4 weeks: residents with this event had a 41.7% chance of being deprescribed compared with 11.5% in those who did not (risk difference = 30.3%, P < .001). A fall in the past 30 days was associated with the smallest magnitude increased risk of deprescribing (risk difference = 3.8%, P < .001) of the events considered. Conclusions and Implications: Deprescribing of antihypertensive medications is common among VA nursing home residents, especially after a potential renal adverse event. Published by Elsevier Inc. on behalf of AMDA - The Society for Post-Acute and Long-Term Care Medicine.
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