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Observational Study
. 2016 May;33(5):655-62.
doi: 10.1111/dme.12894. Epub 2015 Oct 18.

Inappropriate prescribing in elderly people with diabetes admitted to hospital

F Formiga  1   2 , X Vidal  3   4 , A Agustí  3   4 , D Chivite  1   2 , B Rosón  1 , J Barbé  2   5   6 , A López-Soto  2   7 , O H Torres  2   8 , A Fernández-Moyano  2   9 , J García  2   10 , N Ramírez-Duque  2   11 , A San José  2   5   6 ; Potentially Inappropriate Prescription in Older Patients in Spain (PIPOPS) Investigators' Project
Collaborators, Affiliations
Observational Study

Inappropriate prescribing in elderly people with diabetes admitted to hospital

F Formiga et al. Diabet Med. 2016 May.

Abstract

Aims: To assess inappropriate prescribing in older people with diabetes mellitus during the month prior to a hospitalization, using tools on potentially inappropriate medicines (PIMs) and potential prescribing omissions (PPOs) and comparing inappropriate prescribing in patients with without diabetes.

Methods: In an observational, prospective multicentric study, we assessed inappropriate prescribing in 672 patients aged 75 years and older during hospital admission. The Beers, Screening Tool of Older Person's Prescriptions (STOPP) and Screening Tool to Alert Doctors to Right Treatment (START) criteria and Assessing Care of Vulnerable Elders (ACOVE-3) medicine quality indicators were used. We analysed demographic and clinical factors associated with inappropriate prescribing.

Results: Of 672 patients, 249 (mean age 82.4 years, 62.9% female) had a diagnosis of diabetes mellitus. The mean number of prescribing drugs per patient with diabetes was 12.6 (4.5) vs. 9.4 (4.3) in patients without diabetes (P < 0.001). Of those patients with diabetes, 74.2% used 10 or more medications; 54.5% of patients with diabetes had at least one Beers-listed PIM, 68.1% had at least one STOPP-listed PIM, 64.6% had at least one START-listed PPO and 62.8% had at least one ACOVE-3-listed PPO. Except for the Beers criteria, these prevalences were significantly higher in patients with diabetes than in those without. After excluding diabetes-related items from these tools, only STOPP-listed PIMs remained significantly higher among patients with diabetes (P = 0.04).

Conclusions: Polypharmacy is common among older patients with diabetes mellitus. Inappropriate prescribing is higher in older patients with diabetes, even when diabetes-related treatment is excluded from the inappropriate prescribing evaluation.

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