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Prevention of Inappropriate Prescribing in Hospitalized Older Patients Using a Computerized Prescription Support System (INTERcheck®)

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Abstract

Background

Polypharmacy is very common among older adults and can lead to inappropriate prescribing, poor adherence to treatment, adverse drug events and the prevalence of potential drug–drug interactions (DDIs). Electronic prescription database software may help to prevent inappropriate prescribing and minimize the occurrence of adverse drug reactions. INTERcheck® is a Computerized Prescription Support System (CPSS) developed in order to optimize drug prescription for elderly people with multimorbidity.

Objectives

The objectives of this study were (i) to evaluate the applicability of INTERcheck® as a means of reviewing the pharmacological profiles of elderly patients hospitalized in an acute geriatric ward in Northern Italy; and (ii) to evaluate the effectiveness of INTERcheck® in reducing potentially inappropriate medications (PIMs), potentially severe DDIs and the anticholinergic burden in daily practice.

Methods

Two samples of elderly patients (aged 65+ years) hospitalized in a geriatric ward in Italy were enrolled throughout 2012. During the first (observation) phase, medications prescribed to 74 patients at admission and discharge were analyzed with INTERCheck® without any kind of interference based on information obtained from the software. During the second (intervention) phase, the treatment of 60 patients was reviewed and changed at discharge according to INTERCheck® suggestions.

Results

In the observational period, the number of patients exposed to at least one PIM remained unchanged on both admission (n = 29; 39.1 %) and discharge (n = 28; 37.8 %). In the intervention phase, 25 patients (41.7 %) were exposed to at least one PIM at admission and 7 (11.6 %) at discharge (p < 0.001). The number of patients exposed to at least one potentially severe DDI decreased from 27 (45.0 %) to 20 (33.3 %), although the difference was not statistically significant (p = 0.703), while the number of new-onset potentially severe DDIs decreased from 37 (59.0 %) to 9 (33.0 %) [p < 0.001].

Conclusions

The use of INTERCheck® was associated with a significant reduction in PIMs and new-onset potentially severe DDIs. CPSSs combining different prescribing quality measures should be considered as an important strategy for optimizing medication prescription for elderly patients.

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Acknowledgments

No sources of funding were used to assist in the conduct of this study or the preparation of this article. The authors have no conflicts of interest that are directly relevant to the content of this study.

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Authors and Affiliations

  1. Geriatric Unit, Spedali Civili, Department of Clinical and Experimental Sciences, University of Brescia, Brescia, Italy

    Simona Ghibelli & Alessandra Marengoni

  2. Laboratory for Quality Assessment of Geriatric Therapies and Services, Drug Information Service for the Elderly, IRCCS, Istituto di Ricerche Farmacologiche “Mario Negri”, Via Giuseppe La Masa, 19, 20156, Milan, Italy

    Codjo D. Djade, Alessandro Nobili, Mauro Tettamanti, Carlotta Franchi, Silvio Caccia, Flavio Giovarruscio, Andrea Remuzzi & Luca Pasina

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Correspondence to Luca Pasina.

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Ghibelli, S., Marengoni, A., Djade, C.D. et al. Prevention of Inappropriate Prescribing in Hospitalized Older Patients Using a Computerized Prescription Support System (INTERcheck®). Drugs Aging 30, 821–828 (2013). https://doi.org/10.1007/s40266-013-0109-5

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