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Drug Use in a Geriatric Long-Term Care Setting

Comparison between Newly Admitted and Institutionalised Patients

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Abstract

Background and objective

Advanced age, co-morbid diseases, functional dependence and frailty are associated with polypharmacy and overall high health expenditures. Polypharmacy is commonly defined as the concomitant ingestion of four or more medications, particularly in community-dwelling patients, but the number of drugs being taken by institutionalised and hospitalised patients may be as high as ten. The aim of this study was to compare drug use in newly admitted patients (AP) to a geriatric medical centre for long-term care (LTC) with that of institutionalised patients (IP) at the centre.

Methods

A cross-sectional study was conducted, between January 2001 and December 2002, in 324 functionally dependent and cognitively impaired elderly patients (≥65 years of age), consisting of 167 IP (127 females, 40 males) staying at the centre for ≥3 months and 157 (117 females, 40 males) consecutive new admissions for LTC. All patients underwent a comprehensive geriatric assessment, which included a structured medical history, history of drug use, physical examination and functional and cognitive examinations. Overall drug use, drug categories and the basis of use (regular and/or as needed) were compared between the two groups of patients. The pattern of drug use was defined as use of drugs either on a ‘regular’ basis or on an ‘as needed’ basis at any time during the 3 weeks preceding the comprehensive geriatric assessment.

Results

IPs were younger, more dependent, more cognitively impaired, had more co-morbidity and had nonsignificantly higher overall drug use than APs. APs used drugs mainly on a ‘regular’ basis. All of the IPs and most (97%) of the APs were taking drugs according to regular regimens. However, advanced age in IPs was associated with lower overall drug use, predominantly of medications taken on a ‘regular’ basis, and higher use of drugs taken on an ‘as needed’ basis, whereas in APs, advanced age was associated with higher use of both types of medications.

Conclusion

IPs used more drugs on an ‘as needed’ basis, probably because of closer medical supervision of these patients than those in the community. Better knowledge of the patient’s medical condition and treatment, together with better monitoring in the community through patient caregiver instruction, on the one hand, and computerisation of medical data accessible to all healthcare providers, on the other hand, might reduce drug use on a regular basis and, consequently, the costly and adverse effects of polypharmacy.

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Notes

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Acknowledgements

No sources of funding were used to assist in the preparation of this study. 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. Department of Geriatric Medicine, Meir Hospital, 57 Tchernichovski St, Kfar Saba, 44281, Israel

    Zeev Arinzon & Yitshal N. Berner

  2. Meuhedet Health Care System, Shomron, Netanya, Israel

    Alexander Peisakh & Aneta Zuta

  3. Sackler School of Medicine, Tel Aviv University, Ramat Aviv, Israel

    Yitshal N. Berner

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  1. Zeev Arinzon
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  2. Alexander Peisakh
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  4. Yitshal N. Berner
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Correspondence to Zeev Arinzon.

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Arinzon, Z., Peisakh, A., Zuta, A. et al. Drug Use in a Geriatric Long-Term Care Setting. Drugs Aging 23, 157–165 (2006). https://doi.org/10.2165/00002512-200623020-00005

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