Association between multi-dose drug dispensing and drug treatment changes

Abstract

To compare drug treatment changes in older hip fracture patients with and without multi-dose drug dispensing (MDD) after discharge from hospital. Hip fracture patients (aged 65 years or older) for whom the same prescribing procedure was used at discharge and at the 6-month follow-up were extracted from two patient cohorts consecutively recruited in 2008 (n = 100) and 2009 (n = 99), respectively. Of these hip fracture patients, 107 patients used MDD and 47 used ordinary prescriptions (OP) throughout the study period. Drug treatment was registered at discharge and at the 6-month follow-up. Each drug was classified as changed (withdrawn, dosage adjusted or added) or unchanged. The association between MDD and changes in drug treatment was analysed with generalised estimating equations (GEE). Age, sex, cognition, year of study and type of drug (fall-risk-increasing, fracture-preventing or other) were included in the model. A total of 1,980 drugs were prescribed at discharge and at the 6-month follow-up to the 154 patients. Of the 1,413 drugs prescribed via MDD, 597 (43%) drugs were unchanged. The corresponding figure for drugs prescribed via OP was 166 out of 567 (29%) prescribed drugs. Analysis with GEE revealed an odds ratio (95% confidence interval) of 1.66 (1.20–2.31) to 1.77 (1.38–2.27) for a drug to be classified as unchanged when prescribed via the MDD system. MDD is associated with fewer changes in drug treatment compared with OP. Further studies of risks and benefits from this prescribing procedure are urged.

DOI: 10.1007/s00228-012-1230-9

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@article{Sjberg2012AssociationBM, title={Association between multi-dose drug dispensing and drug treatment changes}, author={Christina Sj{\"{o}berg and Henrik Ohlsson and Susanna Maria Wallerstedt}, journal={European Journal of Clinical Pharmacology}, year={2012}, volume={68}, pages={1095-1101} }