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Exploring the association of the discharge medicines review with patient hospital readmissions through national routine data linkage in Wales: a retrospective cohort study

Mantzourani, Efi, Nazar, Hamde, Phibben, Catherine, Pang, Jessica, John, Gareth, Evans, Andrew, Thomas, Helen, Way, Cheryl and Hodson, Karen 2020. Exploring the association of the discharge medicines review with patient hospital readmissions through national routine data linkage in Wales: a retrospective cohort study. BMJ Open 10 (2) , e033551. 10.1136/bmjopen-2019-033551

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Abstract

Objective To evaluate the association of the discharge medicines review (DMR) community pharmacy service with hospital readmissions through linking National Health Service data sets. Design Retrospective cohort study. Setting All hospitals and 703 community pharmacies across Wales. Participants Inpatients meeting the referral criteria for a community pharmacy DMR. Interventions Information related to the patient’s medication and hospital stay is provided to the community pharmacists on discharge from hospital, who undertake a two-part service involving medicines reconciliation and a medicine use review. To investigate the association of this DMR service with hospital readmission, a data linking process was undertaken across six national databases. Primary outcome Rate of hospital readmission within 90 days for patients with and without a DMR part 1 started. Secondary outcome Strength of association of age decile, sex, deprivation decile, diagnostic grouping and DMR type (started or not started) with reduction in readmission within 90 days. Results 1923 patients were referred for a DMR over a 13-month period (February 2017–April 2018). Provision of DMR was found to be the most significant attributing factor to reducing likelihood of 90-day readmission using χ2 testing and classification methods. Cox regression survival analysis demonstrated that those receiving the intervention had a lower hospital readmission rate at 40 days (p<0.000, HR: 0.59739, CI 0.5043 to 0.7076). Conclusions DMR after a hospital discharge is associated with a reduction in risk of hospital readmission within 40 days. Linking data across disparate national data records is feasible but requires a complex processual architecture. There is a significant value for integrated informatics to improve continuity and coherency of care, and also to facilitate service optimisation, evaluation and evidenced-based practice.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Pharmacy
Publisher: BMJ Publishing Group
ISSN: 2044-6055
Date of First Compliant Deposit: 12 February 2020
Date of Acceptance: 24 January 2020
Last Modified: 31 Mar 2020 15:02
URI: http://orca-mwe.cf.ac.uk/id/eprint/129595

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