Drug Aging
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Potentially inappropriate medication use among the elderly in an outpatient setting has been widely reported. However, the potential association between inappropriate medication use and adverse outcomes is seldom examined. ⋯ Potentially inappropriate medication use is not a rare event in elderly patients and is associated with higher risk of hospitalization in this age group. In order to reduce the possibility of prescribing inappropriate medications, and therefore to reduce the consequent risk of hospitalization, more attention should be paid when prescribing drugs to, in particular, older female patients with multiple chronic illnesses that require treatment with multiple medications.
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Clinically significant pharmacokinetic and pharmacodynamic changes occurring with age make older patients more prone to the consequences of inappropriate prescribing. The combination of higher use of medicines resulting from a higher disease burden with suboptimal treatment monitoring results in a higher risk of unwanted drug effects from sometimes inappropriate choice of drugs, doses and durations of treatment. Pharmacy services are increasingly being targeted to minimize the overall number of unnecessary and potential harmful medicines. ⋯ This study provides evidence supporting the formal integration of a clinical pharmacist into the healthcare team with the aim of improving prescribing appropriateness for institutionalized elderly Dutch patients. Overall MAI scores for all long-term medications used by a group of elderly patients improved significantly after a pharmacist-led medication review. This is an important finding because quality of prescribing is assuming increasing importance as a means of preventing avoidable medication-related harm.
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Multiple drug use is common among old, frail nursing home residents who are, as a consequence, susceptible to adverse effects and drug interactions. This study uses the updated Beers criteria for potentially inappropriate drug (PID) use in older adults to determine the extent and nature of PIDs in older nursing home residents in Helsinki, Finland. The study also uses the Swedish, Finnish, INteraction X-referencing (SFINX) interaction database to assess the possibility of clinically significant class D ("clinically significant interaction, and the combination should be avoided") drug-drug interactions (DDIs) in the same population. ⋯ Use of PIDs is very common among nursing home residents, and this increases the likelihood of DDIs. Monitoring patients for PID use and potential drug interactions could increase the quality of prescribing.