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Background: Central nervous system (CNS) medication use is common among older adults, yet the impact of hospitalizations on use remains unclear. This study details CNS medication use, discontinuations, and user profiles during hospitalization periods. Methods: Retrospective cohort study using electronic health records on patients ≥65 years, from three hospitals (2018–2020), and prescribed a CNS medication around hospitalization (90 days prior to 90 days after). Latent class transitions analysis (LCTA) examined profiles of CNS medication class users across four time points (90 days prior, admission, discharge, 90 days after hospitalization). Results: Among 4666 patients (mean age 74.3 ± 9.3 years; 63% female; 70% White; mean length of stay 4.6 ± 5.6 days (median 3.0 [2.0, 6.0]), the most commonly prescribed CNS medications were antidepressants (56%) and opioids (49%). Overall, 74% (n = 3446) of patients were persistent users of a CNS medication across all four time points; 7% (n = 388) had discontinuations during hospitalization, but of these, 64% (216/388) had new starts or restarts within 90 days after hospitalization. LCTA identified three profile groups: (1) low CNS medication users, 54%–60% of patients; (2) mental health medication users, 30%–36%; and (3) acute/chronic pain medication users, 9%–10%. Probability of staying in same group across the four time points was high (0.88–1.00). Transitioning to the low CNS medication use group was highest from admission to discharge (probability of 9% for pain medication users, 5% for mental health medication users). Female gender increased (OR 2.4, 95% CI 1.3–4.3), while chronic kidney disease lowered (OR 0.5, 0.2–0.9) the odds of transitioning to the low CNS medication use profile between admission and discharge. Conclusions: CNS medication use stays consistent around hospitalization, with discontinuation more likely between admission and discharge, especially among pain medication users. Further research on patient outcomes is needed to understand the benefits and harms of hospital deprescribing, particularly for medications requiring gradual tapering. [ABSTRACT FROM AUTHOR]

Background. Many clinicians prescribe cautiously to older adults with common geriatric conditions for fear of causing adverse drug reactions (ADRs). However, little is known about the association between these conditions and risk of ADRs. Methods. Using data from the VA Geriatric Evaluation and Management Drug Study, we determined any, preventable, and serious ADRs in 808 elders for 12 months after hospital discharge using a validated process involving patient self-report and chart review adjudicated by two health care professionals. Eight common geriatric conditions (activities of daily living, dementia, incontinence, falls, difficulty ambulating, malnourishment, depression, and prolonged bed rest) were evaluated at study baseline through self-report and structured assessments. We used Poisson regression to model the relationship between these geriatric conditions and ADRs. Results. Participants had a mean of 2.9 ± 1.2 geriatric conditions. Over the 12-month follow-up period, 497 ADRs occurred in 269 participants, including 187 ADRs considered preventable and 127 considered severe. On multivariable analyses, participants with dependency in one or more activities of daily living were less likely to suffer ADRs than those who were fully independent (incidence rate ratio: 0.78, 95% confidence interval = 0.62–1.00). None of the other seven geriatric conditions assessed were associated with ADR risk. Results were similar for preventable and serious ADRs, although participants with a history of falls were more likely to develop serious ADRs (incidence rate ratio: 1.49, 95% confidence interval = 1.00–2.21). Conclusions. Many geriatric conditions were not associated with risk of ADRs. Although it is prudent to prescribe judiciously in patients with these conditions, excessive caution may not be warranted. [ABSTRACT FROM PUBLISHER]

To determine the prevalence and predictors of unnecessary drug use at hospital discharge in frail elderly patients. Cross-sectional. Eleven Veterans Affairs Medical Centers. Three hundred eighty-four frail older patients from the Geriatric Evaluation and Management Drug Study. Assessment of unnecessary drug use was determined by the consensus of a clinical pharmacist and physician pair applying the Medication Appropriateness Index to each regularly scheduled medication at hospital discharge. Those drugs that received an inappropriate rating for indication, efficacy, or therapeutic duplication were defined as unnecessary. Forty-four percent of patients had at least one unnecessary drug, with the most common reason being lack of indication. The most commonly prescribed unnecessary drug classes were gastrointestinal, central nervous system, and therapeutic nutrients/minerals. Factors associated ( P<.05) with unnecessary drug use included hypertension (adjusted odds ratio (AOR)=0.61, 95% confidence interval (CI)=0.38–0.96), multiple prescribers (AOR=3.35, 95% CI=1.16–9.68), and nine or more medications (AOR=2.24, 95% CI=1.25–3.99). A high prevalence of unnecessary drug use at discharge was found in frail hospitalized elderly patients. Additional studies are needed to identify predictors and prevalence of unnecessary drug use in nonveteran populations so that interventions can be designed to reduce the problem. [ABSTRACT FROM AUTHOR]

Background: Adverse drug reactions (ADRs) are common in older (age ≥65 years) outpatients (prevalence, 5%–35%), but there is no consensus on factors that put these patients at high risk for ADRs. Identifying a uniform set of risk factors would be helpful to develop risk models for ADRs for older outpatients and to implement targeted interventions for those patients at high risk for ADRs.Objective: The aim of this study was to identify potential risk factors for ADRs in older outpatients through a survey of geriatric experts and to determine their prevalence.Methods: A comprehensive literature search was conducted to find published articles on ADRs in older patients. Forty-four potential risk factors were identified through the literature search and 6 additional factors were suggested by the expert panel. Through a modified 2-round survey, based on the Delphi consensus method, of an expert panel of 5 physicians and 5 pharmacists, the probability that each of these 50 potential factors could contribute independently to placing an older outpatient at high risk for an ADR was rated on a 5-point Likert scale. After the survey responses were received, means and 95% Cls were calculated. Consensus was defined as a lower 95% confidence limit ≥4.0. Potential risk factors that reached consensus were then applied to a sample of older outpatients to determine their prevalence.Results: After 2 rounds, the expert panel reached consensus on 21 factors, including 12 medication-related factors and 9 patient characteristics. The most prevalent medication-related risk factors were opioid analgesics; warfarin; non-acetylsalicylic acid, non-cyclooxygenase-2 nonsteroidal anti-inflammatory drugs; anticholinergics; and benzodiazepines. The most prevalent patient characteristics included polypharmacy, multiple chronic medical problems, prior ADR, and dementia.Conclusions: An expert panel was able to reach a consensus on potential risk factors that increase the risk for ADRs in older outpatients. Many risk factors were common in a sample of older outpatients. Future research is needed to determine the predictive validity of these risk factors for ADRs in older outpatients. [Copyright &y& Elsevier]