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Studying the impact of a medication use evaluation by the community pharmacist (Simenon): Patient-reported outcome measures

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BACKGROUND: In the SIMENON study, medication use reviews were conducted for older polymedicated home-dwelling patients across 56 Belgian community pharmacies. OBJECTIVE: To evaluate the impact of the service on patient-reported outcome measures and patient-reported experience measures, and to evaluate the suitability of the chosen instruments. METHODS: A before-after design was used to measure the impact of the medication use review in a subset of patients, participating in the SIMENON study. Patients completed self-report questionnaires before and 3 and 12 weeks after the intervention by letter, phone or e-mail. Six outcomes were evaluated: medication-related quality of life, adherence, self-management, patient satisfaction, fall incidents and use of emergency healthcare services. RESULTS: Questionnaires at baseline and endpoint were available for 83 patients (median age 77 years; median of 7 drugs) of 24 pharmacies. The Living with Medicines Questionnaire showed low medication burden at baseline (84.8/205) which increased to 85.7 three weeks later (n = 57; p = 0.219). Scores significantly reduced to 81.9 at twelve weeks (p = 0.031). The Probabilistic Medication Adherence Scale (n = 67) showed high median adherence scores at baseline (14/18) which remained unaltered (p = 0.974). The patient activation measure found low self-management in one third of the sample at baseline and endpoint (35.5% and 37.1% respectively; p = 0.243). The Patient Satisfaction with Pharmacist Services Questionnaire (n = 66) demonstrated high patient satisfaction. The number of patients with a hospitalization in the last three months decreased non-significantly from 14.8% to 11.1% in the post-measurement after 12 weeks (p = 0.227). No effect was observed on emergency room visits and falls. CONCLUSIONS: The medication use review reduced medication burden but did not impact the patient's adherence and self-management. However, adherence scores were high, medication burden was low at baseline and the sample size was limited. The Living with Medicines instrument is a promising instrument for future research to assess medication-related quality of life in older polymedicated patients.
Tijdschrift: Research in Social and Administrative Pharmacy
ISSN: 1551-7411
Issue: 12
Volume: 16
Pagina's: 1760 - 1767
Aantal pagina's: 8
Jaar van publicatie:2020