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Implementation of a compulsory clinical pharmacist-led medication deprescribing intervention in high-risk seniors in the emergency department.

Jovevski JJ, Smith CR, Roberts JL, Dev S, Iloabuchi TC, Gruber EA, Williams MJ, Slaven JE, Mitchell AM. Implementation of a compulsory clinical pharmacist-led medication deprescribing intervention in high-risk seniors in the emergency department. Academic emergency medicine : official journal of the Society for Academic Emergency Medicine. 2023 Apr 1; 30(4):410-419.

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Abstract:

OBJECTIVES: The objective of this study was to assess the impact of an emergency department (ED) deprescribing intervention for geriatric adults. We hypothesized that pharmacist-led medication reconciliation for at-risk aging patients would increase the 60-day case rate of primary care provider (PCP) deprescribing of potentially inappropriate medications (PIMs). METHODS: This was a retrospective, before-and-after intervention pilot study conducted at an urban Veterans Affairs ED. In November 2020, a protocol utilizing pharmacists to perform medication reconciliations for patients 75 years or older who screened positive using an Identification of Seniors at Risk tool at triage was implemented. Reconciliations focused on identifying PIMs and providing deprescribing recommendations to patients' PCPs. A preintervention group was collected between October 2019 and October 2020, and a postintervention group was collected between February 2021 to February 2022. The primary outcome compared case rates of PIM deprescribing in the preintervention group to the postintervention group. Secondary outcomes include per-medication PIM deprescribing rate, 30-day PCP follow-up visits, 7- and 30-day ED visits, 7- and 30-day hospitalizations, and 60-day mortality. RESULTS: A total of 149 patients were analyzed in each group. Both groups were similar in age and sex, with an average age of 82 years and 98% male. The case rate of PIM deprescribing at 60 days was 11.1% preintervention compared to 57.1% postintervention (p  < 0.001). Preintervention, 91% of PIMs remained unchanged at 60 days compared to 49% (p  < 0.05) postintervention. Regardless of PIM identification, the 30-day primary care follow-up rate increased postintervention: 31.5% and 55.7% (p  < 0.0001), respectively. There was no improvement in 7- or 30-day subsequent ED visits, hospitalization, or mortality. CONCLUSIONS: Pharmacist-led medication reconciliation in high-risk geriatric patients was associated with an increase both in the rate of PIM deprescribing and in post-ED primary care engagement.




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