Effective Pharmacist Involvement in the Healthcare Team Improves Patient Outcomes

Medication management at home: medication risk factor prevalence and inter-relationships

BACKGROUND AND OBJECTIVE

Patients can have medication-related risk factors associated with poor health outcomes that become evident through visiting them in their homes. These medication-related risk factors may not be apparent in pharmacy and general practitioner (GP) records. The aim was to determine the prevalence and inter-relationships of medication-related risk factors for poor patient health outcomes identifiable through 'in-home' observations.

METHODS

The design was a cross-sectional study of 204 general practice patients living in their own homes and at risk of medication-related poor health outcomes. Medication-related risk factors were identified in the patients' homes by community pharmacists and GPs.

RESULTS AND DISCUSSION

The prevalence of risk factors varied from 8.3% (multiple medication storage locations) to 55.9% (confused by generic and trade names). There were many relationships observed between the medication-related risk factors, with expired medication having the most relationships with other risk factors followed by therapeutic duplication and poor adherence (9, 6 and 6 relationships respectively).

CONCLUSION

Visiting patients' homes may identify medication-related risk factors not otherwise apparent through patient visits to the health practitioner when medications may be brought for review (i.e. 'brown bag' reviews).

Medication management at home: medication-related risk factors associated with poor health outcomes

BACKGROUND

Some patients may have medication-related risk factors only identified by home visits, but the extent to which those risk factors are associated with poor health outcomes remains unclear.

OBJECTIVE

To determine the association between medication-related risk factors and poor patient health outcomes from observations in the patients' homes.

DESIGN

Cross-sectional study.

SETTING

Patients' homes.

SUBJECTS

204 general practice patients living in their own homes and at risk of medication-related poor health outcomes.

METHODS

Medications and medication-related risk factors were identified in the patients' homes by community pharmacists and general practitioners (GPs). The medication-related risk factors were examined as determinants of patients' self-reported health related quality of life (SF-36) and their medication use, as well as physicians' impression of patient adverse drug events and health status.

RESULTS

Key medication-related risk factors associated with poor health outcomes included: Lack of any medication administration routine, therapeutic duplication, hoarding, confusion between generic and trade names, multiple prescribers, discontinued medication repeats retained and multiple storage locations. Older age and female gender were associated with some poorer health outcomes. In addition, expired medication and poor adherence were also associated with poor health outcomes, however, not independently.

CONCLUSION

The findings support the theory that polypharmacy and medication-related risk factors as a result of polypharmacy are correlated to poor health outcomes.

Medication reviews in the community: results of a randomized, controlled effectiveness trial

AIMS

To examine the effectiveness of a multidisciplinary service model delivering medication review to patients at risk of medication misadventure in the community.

METHODS

The study was carried out in three Australian states; Queensland, New South Wales and Western Australia, and conducted as a randomized, controlled effectiveness trial with the general practitioner (GP) as the unit of randomization. In total, 92 GPs, 53 pharmacists and 400 patients enrolled in the study. The multidisciplinary service model consisted of GP education, patient home visits, pharmacist medication reviews, primary healthcare team conferences, GP implementation of action plans in consultation with patients, and follow-up surgery visits for monitoring. Effectiveness was assessed using the four clinical value compass domains of (i) functional status, (ii) clinical outcomes, (iii) satisfaction and (iv) costs. The domains of functional status (assessed by the health-related quality of life measure SF-36 subscales) and clinical outcomes (as assessed by adverse drug events (ADEs), number of GP visits, hospital services and severity of illness) were measured at baseline and endpoint. Satisfaction was measured by success in implementation and by participant satisfaction at endpoint, and costs (as assessed using medication and healthcare service costs, less intervention costs) were measured preintervention and during the trial. In addition, process evaluation was conducted for intervention patients, in which problems and recommendations from the medication reviews were described.

RESULTS

The model was successfully implemented with 92% of intervention GPs suggesting that the model had improved the care of participating patients, a view shared by 94% of pharmacists. In addition, positive trends in clinical outcomes (ADEs and severity of illness) and costs (an ongoing trend towards reduction in healthcare service costs) were evident, although the trial was limited to a 6-month intervention time. No differences between intervention and control groups were identified for the health-related quality of life domain. The cost-effectiveness ratio for the intervention based on cost savings, reduced adverse events and improved health outcomes was small. The most common problems identified in the medication reviews were potential adverse drug reactions, suboptimal monitoring and adherence/lack of concordance issues. In total, 54.4% of recommendations were enacted, and 23.9% were implemented precisely as recommended in the medication review. Follow-up evaluation showed that 70.9% of actions had a positive outcome, 15.7% no effect and 3.7% had a negative outcome.

CONCLUSIONS

Most studies emphasize efficacy and the best achievable clinical outcomes rather than whether an intervention will be effective in practice. The current trial showed that three of the four domains in the clinical value compass showed trends of improvement or were indeed improved in the relatively short follow-up period of the trial, suggesting that a service based on this model could achieve similar benefits in practice. A domiciliary medication review programme similar to this model has now been implemented into national Australian practice, where GPs and pharmacists are reimbursed by the Australian government for the provision of these services.