• L M Hellström, P Höglund, A Bondesson, G Petersson, and T Eriksson.
• eHealth Institute, Linnaeus University, Kalmar, Sweden. lina.hellstrom@lnu.se
• J Clin Pharm Ther. 2012 Dec 1;37(6):686-92.

What Is Known And ObjectiveInterventions involving medication reconciliation and review by clinical pharmacists can reduce drug-related problems and improve therapeutic outcomes. The objective of this study was to examine the impact of routine admission medication reconciliation and inpatient medication review on emergency department (ED) revisits after discharge. Secondary outcomes included the combined rate of post-discharge hospital revisits or death.MethodsThis prospective, controlled study included all patients hospitalized in three internal medicine wards in a university hospital, between 1 January 2006 and 31 May 2008. Medication reconciliation on admission and inpatient medication review, conducted by clinical pharmacists in a multiprofessional team, were implemented in these wards at different times during 2007 and 2008 (intervention periods). A discharge medication reconciliation was undertaken in all the study wards, during both control and intervention periods. Patients were included in the intervention group (n = 1216) if they attended a ward with medication reconciliation and review, whether they had received the intervention or not. Control patients (n = 2758) attended the wards before implementation of the intervention.Results And DiscussionNo impact of medication reconciliation and reviews on ED revisits [hazard ratio (HR), 0.95; 95% confidence interval (CI), 0.86-1.04]or event-free survival (HR, 0.96; 95% CI, 0.88-1.04) was demonstrated. In the intervention group, 594 patients (48.8%) visited the ED, compared with 1416 (51.3%) control patients. In total, 716 intervention (58.9%) and 1688 (61.2%) control patients experienced any event (ED visit, hospitalization or death). Because the time to a subsequent ED visit was longer for the control as well as the intervention groups in 2007 than in 2006 (P < 0.05), we re-examined this cohort of patients; the proportion of patients revisiting the ED was similar in both groups in 2007 (P = 0.608).What Is New And ConclusionRoutine implementation of medication reconciliation and reviews on admission and during the hospital stay did not appear to have any impact on ED revisits, re-hospitalizations or mortality over 6-month follow-up.© 2012 Blackwell Publishing Ltd.

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