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Popul Health Manag. 2018 Oct;21(5):395-400. doi: 10.1089/pop.2017.0167. Epub 2018 Feb 13.

Impact of Comprehensive Medication Management on Hospital Readmission Rates.

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1 Health Outcomes, Fairview Pharmacy Services, Minneapolis, Minnesota.
2 Medication Therapy Management, Fairview Pharmacy Services, Minneapolis, Minnesota.
3 Population Health Analytics, Fairview Health Services, St. Paul, Minnesota.


In 2012, the Fairview Health System implemented a formal care transitions process that included referrals to outpatient services provided by medication therapy management (MTM) pharmacists, among other clinical services. This analysis evaluates the impact of the MTM-provided comprehensive medication management (CMM) service on readmission rates. Retrospective electronic medical record (EMR) data were used to identify hospital admissions between December 1, 2012, and July 31, 2015. Thirty- and 60-day readmission rates were calculated in both a CMM and comparator cohort. Readmission rates also were stratified by readmission risk category. A total of 43,711 patients, contributing 57,673 hospitalizations, were included in the analysis. Of those, 1291 hospitalizations had a CMM visit within 30 days of discharge (median 6 days) and were considered the CMM cohort. Patients who received a CMM visit had a significantly lower rate of 30-day readmissions (8.6% vs. 12.8%, P < 0.001). The 60-day readmission rate remained lower among CMM patients but did not reach statistical significance (15.6% vs. 17.6%; P = 0.0528). When patients in each cohort were stratified by readmission risk category, the CMM cohort had a statistically significant lower rate of 30-day readmission in the highest risk groups (Average: 7.1% vs. 9.5%, P = 0.025; Elevated: 9.9% vs. 21.4%, P < 0.001; High: 18.3% vs. 35.9%, P < 0.001; Extreme: 36.4% vs. 77.7%, P = 0.006). CMM performed by an MTM pharmacist reduces the rate of readmission at 30 days post discharge and may have the largest impact among patients at highest risk of readmission.


drug use; evidence-based care; population health; quality measures; risk stratification

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