A methodological framework for estimating the clinical and economic value of community pharmacists' clinical interventions using expert opinion

Nature and frequency of prescription modifications in community pharmacies: A nationwide study in the Netherlands

AIMS

To investigate the nature and frequency of prescription modifications in Dutch community pharmacies.

METHODS

In this cross-sectional study, Dutch community pharmacists documented prescription modifications in their pharmacy during 1 predetermined day. Pharmacists from all Dutch community pharmacies were invited to participate. A prescription modification was defined as any modification in a prescription for a medicine or other healthcare product because of an administrative problem, logistic issue or potential drug-related problem (DRP). All documented modifications were assessed to establish the nature and frequency of prescription modifications.

RESULTS

Pharmacists in 275 pharmacies completed the study. A modification was performed in 5.5% of all prescriptions. 1.3% of the prescriptions contained an administrative problem, of which insufficient specification of the dosing regimen was most common (63.1%). A modification was performed due to a logistic issue in 2.4% of the prescriptions. The most frequently recorded issues were unavailability of medication (40.9%) and obligatory product substitutions due to reimbursement policies (33.2%). A modification was performed in 1.8% of the prescriptions to solve or prevent potential DRPs. Of these, 69.2% was potentially clinically relevant according to the pharmacist concerned. The most frequently prevented potential DRP was an incorrect strength or dose (31.9%).

CONCLUSION

Dutch community pharmacists modified almost 1 in 20 prescriptions per pharmacy. The nature of the modifications reflects current community pharmacy practice, in which pharmacists frequently deal with logistic issues and intervene to solve or prevent for DRPs several times a day. The majority of the DRPs were considered to be potentially clinically relevant.

Tools for Assessing Potential Significance of Pharmacist Interventions: A Systematic Review

INTRODUCTION

Assessing the significance of pharmacist interventions (PIs) is essential to demonstrate the added value of pharmacists. Methods and tools for assessing the potential significance of PIs are diverse and their properties are questionable.

OBJECTIVES

We aimed to systematically review the tools available to assess the potential significance of PIs.

METHODS

We conducted a systematic search for English- or French-language publications from 1986 to 2013 in PubMed, PsycINFO, PASCAL, and CINAHL. Studies were screened by two independent reviewers based on inclusion/exclusion criteria and were abstracted for content, structure of tools, and validation process.

RESULTS

Of 873 citations screened, 82 distinct tools were identified from 133 studies. While clinical aspects were often defined quite clearly, terminology regarding humanistic, economic, and process-related aspects of PIs was omitted, incomplete, or ambiguous in most tools. The probabilities of consequences of PIs/drug-related problems were evaluated in 20/82 tools. Few tools simultaneously measured economic, clinical, humanistic, and process-related variables. Structure of the tools varied from an implicit, mono-dimensional tool to an explicit, multi-dimensional algorithm. Validation processes were diverse in terms of quantification and number of raters, rating method, and psychometric parameters. Of 133 identified studies, there was limited evidence of validity (8/133, 6.0%), inter-rater reliability (49/133, 36.8%), and intra-rater reliability (2/133, 1.5%).

CONCLUSIONS

The majority of tools focused primarily on assessing clinical aspects and failed to detect comprehensive impacts. The heterogeneity of tools and assessment processes hindered our ability to synthesize the results of evaluations. Limited results for their validity and reliability cast doubt on the credibility of this methodology for justification of the value of PIs. Recommendations for development of tools with optimal theoretical, pragmatic, and psychometric properties are proposed.

An exploration of clinical interventions provided by pharmacists within a complex asthma service

BACKGROUND

Pharmacists in Australia are accessible health care professionals, and their provision of clinical pharmacy interventions in a range of areas has been proven to improve patient outcomes. Individual clinical pharmacy interventions in the area of asthma management have been very successful. An understanding of the nature of these interventions will inform future pharmacy services. What we do not know is when pharmacists provide a complex asthma service, what elements of that service (interventions) they choose to deliver.

OBJECTIVE

To explore the scope and frequency of asthma-related clinical interventions provided by pharmacists to patients in an evidence-based complex asthma service.

METHODS

Pharmacists from 4 states/territories of Australia were trained in asthma management. People with asthma had 3 or 4 visits to the pharmacy. Guided by a structured patient file, the pharmacist assessed the patient's asthma and management and provided interventions where and when considered appropriate, based on their clinical decision making skills. The interventions were recorded in a checklist in the patient file. They were then analysed descriptively and thematically.

RESULTS

Pharmacists provided 22,909 clinical pharmacy interventions over the service to 570 patients (398 of whom completed the service). The most frequently delivered interventions were in the themes 'Education on asthma', 'Addressing trigger factors', 'Medications - safe and effective use' and 'Explore patient perspectives'. The patients had a high and ongoing need for interventions. Pharmacists selected interventions based on their assessment of perceived need then revisited and reinforced these interventions.

CONCLUSION

Pharmacists identified a number of areas in which patients required interventions to assist with their asthma management. Many of these were perceived to require continuing reinforcement over the duration of the service. Pharmacists were able to use their clinical judgement to assess patients and provide clinical pharmacy interventions across a range of asthma management needs.