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Interdisciplinary Deprescribing of Aspirin Through Prescriber Education and Provision of Patient-Specific Recommendations.

BACKGROUND
Inappropriate aspirin use can lead to increased frequency of bleeding events and poor patient outcomes.


OBJECTIVES
Compare current aspirin prescribing to guideline recommendations and analyze the impact of pharmacist education for clinicians with provision of patient-specific recommendations.


METHODS
Internal medicine residents received 1 educational session on appropriate aspirin use. Over a 5-month period post-education, 100 patients on aspirin with a clinic appointment were screened and their charts reviewed. Aspirin use was classified based on guideline recommendations as follows: (1) recommended, (2) weigh the risk and benefits, (3) not recommended, (4) dose change recommended, or (5) outside of guideline recommendation. A recommendation for aspirin deprescribing was then communicated to the clinician prior to the patient's appointment. Prescriber practice following the appointment was collected and analyzed.


RESULTS
Inappropriate aspirin use occurred in 29% (n = 29) of patients prior to their appointment. Of these, aspirin was not recommended in 65.5% (n = 19), and a dose reduction from 325 mg to 81 mg was recommended in 34.5% (n = 10). Of the 81 patients who kept their appointment, pharmacist recommendations to deprescribe aspirin were communicated to the clincian for 20 patients (24.7%) and resulted in a 55% aspirin deprescription.


CONCLUSIONS
The majority of patients identified as using aspirin inappropriately fell into 3 groups: (1) patients taking 325 mg aspirin, (2) patients taking aspirin for primary prevention, and (3) patients taking aspirin concomitantly with an anticoagulant. Strategies that may lead to optimization of aspirin use include lectures and patient-specific chart reviews with pharmacist recommendation.