Pharmacist prescribing practices in a clinical pharmacy cardiac risk service

Assessment of the implementation of pharmacist prescribing: Challenges and pathways for ambulatory practice

BACKGROUND

Prescribing by pharmacists is an increasingly common practice worldwide. In Brazil regulation of this practice began in 2013, and the practice remains unexplored as a research topic.

OBJECTIVE

We aimed to explore and gain insights into pharmacist prescribing practices in Brazil and assessing pharmacist's perceptions of their training and preparedness to prescribe medications.

METHODS

A cross-sectional survey was conducted between October 2022 and March 2023 via convenience sampling. Data were collected using an online questionnaire covering sociodemographic issues, academic training, prescribing practices, and perceptions regarding the provision of pharmacist prescribing in ambulatory care. Exploratory descriptive analysis and Poisson regression were performed to estimate the associations between pharmacist characteristics and their practices in prescribing medicines.

RESULTS

Among the 305 valid responses, 58.7% of the outpatient pharmacists stated that they had not prescribed any medication in the previous three years. Over-the-counter medication prescriptions were most common (42.0%). Only 4.6% of respondents had prescribed prescription-only medicines provided through collaborative agreement, with 2.6% reporting that they had adjusted doses, and 2.3% played a role in prescription renewal. Pharmacists living in Northeast regions tended to be more active prescribers (PR = 1.42; 95%CI 1.03-2.18), whereas those in primary healthcare (PR = 0.61; 95%CI 0.39-0.96) and self-declared Black pharmacists (PR = 0.30; 95%CI 0.10-0.97) prescribed less. Respondents strongly believed in the pharmacist's role as a prescriber, although they remained ambivalent regarding their responsibility for patient outcomes. Progress barriers include infrastructure gaps and strained relationships with physicians.

CONCLUSIONS

This study suggests that pharmacists in Brazil predominantly prescribe over-the-counter medications, and variations in setting, region, and race can influence prescribing by pharmacist in ambulatory care.

Using pharmacy technicians and electronic health record capabilities to improve outcomes for patients with cardiovascular disease

OBJECTIVE

This study aimed to compare lipid and blood pressure (BP) control before and after implementing a certified pharmacy technician (CPhT) protocol that optimized electronic health record (EHR) capabilities and shifted work from clinical pharmacy specialists (CPSs) to CPhT.

SETTING

Kaiser Permanente Colorado's pharmacist-managed cardiac risk reduction service (which manages dyslipidemia, hypertension, and diabetes for all patients with atherosclerotic cardiovascular disease).

PRACTICE DESCRIPTION

In 2019, a protocol that optimized EHR capabilities and allowed work to be offloaded from CPS to CPhT was implemented. Filtered views within the EHR were created that bucketed patients with specific lipid results criteria. The CPhT protocol provided guidance to CPhT on determining whether patients were at low-density lipoprotein cholesterol (LDL-C) and non-high-density lipoprotein (non-HDL) goals, on appropriate statin intensity, adherent to medications, and whether the most recent BP was controlled. The CPhT notified CPS of uncontrolled patients who would assess and manage these patients, as necessary. The CPhT notified controlled patients of their results.

PRACTICE INNOVATION

Data on the outcomes of incorporating pharmacy technicians to support CPS clinical activities in ambulatory clinical pharmacy are limited.

EVALUATION METHODS

This retrospective study compared a "Pharmacist-Driven" (index date: January 1, 2016) with a "Tech-Enhanced" (index date: January 1, 2019) group. The primary outcome was the proportion of patients at all goals defined as LDL-C < 70 mg/dL, non-HDL < 100 mg/dL, and BP < 140/90 mm Hg at 1 year after the index dates.

RESULTS

There were 6813 patients included (mean age: 70.2 ± 11.1 years, 71.4% male): 3130 and 3683 in the "Pharmacist-Driven" and "Tech-Enhanced" groups, respectively. The proportion of patients who attained LDL-C, non-HDL, and BP goals was higher in the "Tech-Enhanced" group (51.1% vs. 39.7%, P < 0.001) than the "Pharmacist-Driven" group.

CONCLUSION

A protocol integrating EHR decision support and CPhTs enabled work to shift to from CPS to CPhT and improved clinical outcomes.

Perceptions of Independent Pharmacist Prescribing among Health Authority- and Community-Based Pharmacists in Northern British Columbia

Pharmacists across Canada have varying degrees of ability to prescribe medications depending on their jurisdiction of licensure. The purpose of this study was to the evaluate attitudes, beliefs, and perceptions of independent pharmacist prescribing among health authority- and community-based pharmacists. This prospective, cross-sectional online survey assessed the perceptions of independent pharmacist prescribing of health authority and community pharmacists practising in northern British Columbia (BC), which was defined as within the geographical boundaries of Northern Health. Responses were analysed using descriptive statistics and a regression analysis. There were 45 respondents to the survey: 22 community pharmacists and 23 health authority pharmacists. Both community and health authority pharmacists held positive perceptions of independent pharmacist prescribing and did not identify any barriers to incorporating independent pharmacist prescribing into their practice. Respondents were highly likely to apply for independent pharmacist prescribing authority, if available. Pharmacists in BC are currently not able to independently prescribe schedule I medications. The provincial regulatory body has proposed a framework for a Certified Pharmacist Prescriber designation, which if approved would allow pharmacists to prescribe in collaborative practice settings. This study provides some insight into the perception of pharmacists in northern BC in pursuing this designation, which may be valuable for planning purposes in case of adoption of the framework. These results are also likely applicable to other non-urban practice settings in Canada. Pharmacists in northern BC perceived independent pharmacist prescribing positively and a high proportion were likely to apply for this authority if it were permitted via legislation.

Impact of physician-pharmacist collaborative protocol-based pharmacotherapy management for HIV outpatients: a retrospective cohort study

Background

Effective treatment for human immunodeficiency virus (HIV) infection requires close cooperation among healthcare professionals. This is because maintaining continuity with treatment regimens is important in anti-HIV therapy. In addition, explaining medication use is more important than that for other diseases. Since 2010, pharmacists at the Mie University Hospital have been interviewing patients, selecting drugs, and formulating medication plans for HIV-positive patients. In August 2011, we established the physician and pharmacist-led collaborative Protocol-based Pharmacotherapy Management (PBPM) to increase the efficacy and safety of treatment, while reducing the burden on physicians. In the present study, we evaluated the outcomes associated with PBPM for HIV pharmacotherapy.

Methods

We prepared protocols for drug selection, timing of interventions, and methods of intervention according to various guidelines. This study included 40 HIV-positive patients receiving outpatient care between January 2009 and February 2017. Of these patients, 17 received treatment before implementing PBPM and 23 patients received treatment afterward. We compared the intervention parameters between before and after the implementation of PBPM.

Results

The proportion of patients receiving prescription proposals from pharmacists was markedly higher after introducing PBPM (6 out of 17 patients vs. 23 out of 23 patients). All prescription proposals were accepted by physicians before and after PBPM. The number of interviews before antiretroviral therapy (ART) initiation (median [range]) decreased from 2 [1–5] to 1 [1–3] after PBPM introduction, suggesting the time to introduction of treatment has been shortened. Before the introduction of PBPM, nine patients required a change in their ART prescriptions and four patients were hospitalized (one patient was hospitalized due to an error in the self-administration of anti-HIV medicines, two patients were hospitalized due to interruptions in medication, and one patient was hospitalized for the treatment of other diseases). Only one patient was hospitalized after PBPM, and was unrelated to drug adherence. The proportion of patients with a reduced HIV-RNA load increased from 71 to 100%. Furthermore, the proportion of patients who maintained levels below the limit of quantitation increased from 59 to 91% after implementing PBPM.

Conclusion

The implementation of PBPM for HIV outpatients improves the efficacy and safety of HIV pharmacotherapy.

The Role of the Clinical Pharmacist in a Preventive Cardiology Practice

Background: Cardiovascular disease (CVD) remains the leading cause of morbidity and mortality worldwide. In response, a multidisciplinary team approach, which includes clinical pharmacists, is recommended to improve patient outcomes. The purpose of the study was to describe interventions associated with integration of a clinical pharmacist, with an emphasis on pharmacist-generated patient cost avoidance. Methods: This is a prospective observational study detailing pharmacist-initiated interventions within an academic preventive cardiology service. Interventions targeting pharmacotherapy optimization, side effect management, patient education, medication adherence, and cost avoidance were implemented during shared office visits with providers and/or on provider consultation for remote follow-up. Tabulation of cost avoidance was arranged into 2 formats: clinical interventions implemented by the pharmacist and direct patient out-of-pocket expense reduction. Money saved per clinical intervention was extrapolated from data previously published. Patient out-of-pocket expense prior to and after pharmacist involvement was calculated to assess aggregate yearly patient cost savings. Results: Over 12 months the pharmacist intervened on 974 patients, totaling 3725 interventions. Cost avoidance strategies resulted in yearly savings of $830 748 in aggregate—$149 566 from clinical interventions and $681 182 from patient out-of-pocket expense reduction. Monthly patient out-of-pocket expense was reduced from a median (interquartile range) of $217 ($83.5-$347) before to $5 ($0-$18) after pharmacist intervention. Conclusions: Addition of a clinical pharmacist within an academic preventive cardiology clinic generated substantial pharmacotherapy interventions, resulting in significant cost avoidance for patients. The resulting cost avoidance may result in improved medication adherence and clinical outcomes.

Trends in high intensity statin use among secondary prevention patients 76 years and older

Background:

High intensity statin therapy (HIST) is the gold standard therapy for decreasing the risk of recurrent atherosclerotic cardiovascular disease (ASCVD); however, little is known about the use of HIST in older adults with ASCVD.

Objectives:

The aim of this cross-sequential study was to determine trends in statin intensity in older adults over a 10-year timeframe.

Methods:

The study was conducted in an integrated healthcare delivery system. Patients were 76 years or older with validated coronary ASCVD. Data were collected from administrative databases. Statin intensity level was assessed in eligible patients on January 1st and July 1st from January 1, 2007 to December 31, 2016.

Results:

Overall, a total of 5,453 patients were included with 2,119 (38.9%) and 3,334 (61.1%) categorized as HIST and Non-HIST, respectively. Included patients had a mean age of 79.8 years and were primarily male and white and had a cardiac intervention. The rate of HIST use increased from 14.5% to 41.3% over the study period (p<0.001 for trend). Conversely, the rates of moderate and low intensity statin use decreased from 61.8% and 9.8% to 41.2% and 4.8%, respectively (both p<0.001 for trend). Similar trends were identified for females and males.

Conclusions:

The percentage of patients with ASCVD 76 years and older who received HIST substantially increased from 2007 to 2016. This trend was identified in both females and males. Future comparative effectiveness research should be conducted in this patient population to examine cardiac-related outcomes with HIST and Non-HIST use.

Health Authority Pharmacists' Perceptions of Independent Pharmacist Prescribing

BACKGROUND

In many jurisdictions, the pharmacist's role continues to evolve from drug distribution-based service delivery to expanded scopes of practice, including independent prescribing of medications.

OBJECTIVES

To assess health authority-based pharmacists' attitudes, beliefs, and perceptions about independent prescribing, to determine how independent prescribing may affect their behaviour, and to identify perceived barriers and enablers to incorporating it into their practice.

METHODS

An anonymous, cross-sectional online survey of 677 health authority-based pharmacists employed by Lower Mainland Pharmacy Services in British Columbia collected information in the following domains: demographic characteristics; attitudes, beliefs, and perceptions regarding pharmacist prescribing; anticipated effect of pharmacist prescribing on behaviour; likelihood of applying for this authority, if granted; and barriers and enablers to applying for prescribing authority and incorporating prescribing into their practice. A multivariate regression analysis was performed.

RESULTS

A total of 266 pharmacists (39.3%) responded to the survey. Most respondents agreed that prescribing is important to the profession and relevant to their practice, and that it might enhance job satisfaction. Additionally, respondents agreed that they had the expertise to prescribe. Respondents perceived prescribing as having the potential to positively affect behaviour, including deprescribing, prescribing at time of discharge or transfer, and renewing medications. Enablers to applying for pharmacist prescribing authority included perceived positive impact on patient care and the profession, level of support from management and coworkers, and personal ability. No barriers were identified. About two-thirds of pharmacists indicated they would likely apply for prescribing authority if it were granted through legislation. Pharmacists with a clinical practice or research role were significantly more likely to apply to be a prescriber, whereas those with more than 10 years of experience were less likely to apply.

CONCLUSIONS

In this study, health authority-based pharmacists held positive attitudes and beliefs about the value and impact of independent prescribing of medications on their practice and the profession. There were no perceived barriers to applying for prescribing authority or to incorporating prescribing into practice.

Treatment in a preventive cardiology clinic utilizing advanced practice providers effectively closes atherosclerotic cardiovascular disease risk-management gaps among a primary-prevention population compared with a propensity-matched primary-care cohort: A team-based care model and its impact on lipid and blood pressure management

Background

Advanced practice providers (APPs) can fill care gaps created by physician shortages and improve adherence/compliance with preventive ASCVD interventions.

Hypothesis

APPs utilizing guideline‐based algorithms will more frequently escalate ASCVD risk factor therapies.

Methods

We retrospectively reviewed data on 595 patients enrolled in a preventive cardiology clinic (PCC) utilizing APPs compared with a propensity‐matched cohort (PMC) of 595 patients enrolled in primary‐care clinics alone. PCC patients were risk‐stratified using Framingham Risk Score (FRS) and coronary artery calcium scoring (CACS).

Results

Baseline demographics were balanced between the groups. CACS was more commonly obtained in PCC patients (P < 0.001), resulting in reclassification of 30.6% patients to a higher risk category, including statin therapy in 26.6% of low‐FRS PCC patients with CACS ≥75th MESA percentile. Aspirin initiation was higher for high and intermediate FRS patients in the PCC (P < 0.001). Post‐intervention mean LDL‐C, non–HDL‐C, and triglycerides (all P < 0.05) were lower in the PCC group. Compliance with appropriate lipid treatment was higher in intermediate to high FRS patients (P = 0.004) in the PCC group. Aggressive LDL‐C and non–HDL‐C treatment goals (<70 mg/dL, P = 0.005 and < 130 mg/dL, P < 0.001, respectively), were more commonly achieved in high‐FRS PCC patients. Median post‐intervention SBP was lower among intermediate and low FRS patients (P = 0.001 and P < 0.001, respectively). Cumulatively, this resulted in a reduction in median post‐intervention PCC FRS across all initial FRS risk categories (P < 0.001 for all).

Conclusions

APPs within a PCC effectively risk‐stratify and aggressively manage ASCVD risk factors, resulting in a reduction in post‐intervention FRS.

Trends in high-intensity statin use and low-density lipoprotein cholesterol control among patients enrolled in a clinical pharmacy cardiac risk service

BACKGROUND

Although high-intensity statin therapy (HIST) is recommended for most patients between 21 and 75 years of age with atherosclerotic cardiovascular disease (ASCVD), several recent analyses examining contemporary statin use trends have identified a clinical care gap in the utilization of HIST.

OBJECTIVE

The objective of this study was to assess secular trends in lipid management for patients with ASCVD enrolled in a clinical pharmacy program within an integrated health care delivery system.

METHODS

We performed serial cross-sectional studies over time, comprising 18,006 adults with both acute and chronic ASCVD, to assess trends in statin use and low-density lipoprotein cholesterol (LDL-C) levels from 2007 to 2016.

RESULTS

Although the use of statin therapy (any intensity) remained relatively consistent throughout the 10-year study period (89% in 2007, 87% in 2016), the proportion of patients receiving HIST increased over time (44% in 2007, 67% in 2016; P < .001 for trend). Population mean LDL-C levels ranged from 73 to 83 mg/dL with a downward trend over the 10-year study period (P < .001 for trend). By 2016, the proportion of patients attaining an LDL-C <100 mg/dL and <70 mg/dL was 85% and 54%, respectively. Nonstatin lipid-lowering therapy use decreased over the study period, which was primarily driven by decreased use of ezetimibe (24% in 2007, 2% in 2016; P < .001 for trend).

CONCLUSIONS

Among adults with ASCVD enrolled in a clinical pharmacy cardiac risk reduction service, guideline-directed use of HIST significantly increased over the past 10 years and coincided with decreased population LDL-C levels.

Design and implementation of population-based specialty care programs

PURPOSE

The development, implementation, and scaling of 3 population-based specialty care programs in a large integrated healthcare system are reviewed, and the role of clinical pharmacy services in ensuring safe, effective, and affordable care is highlighted.

SUMMARY

The Kaiser Permanente (KP) integrated healthcare delivery model allows for rapid development and expansion of innovative population management programs involving pharmacy services. Clinical pharmacists have assumed integral roles in improving the safety and effectiveness of high-complexity, high-cost care for specialty populations. These roles require an appropriate practice scope and are supported by an advanced electronic health record with disease registries and electronic surveillance tools for care-gap identification. The 3 specialty population programs described were implemented to address variation or unrecognized gaps in care for at-risk specialty populations. The Home Phototherapy Program has leveraged internal partnerships with clinical pharmacists to improve access to cost-effective nonpharmacologic interventions for psoriasis and other skin disorders. The Multiple Sclerosis Care Program has incorporated clinical pharmacists into neurology care in order to apply clinical guidelines in a systematic manner. The KP SureNet program has used clinical pharmacists and data analytics to identify opportunities to prevent drug-related adverse outcomes and ensure timely follow-up.

CONCLUSION

Specialty care programs improve quality, cost outcomes, and the patient experience by appropriating resources to provide systematic and targeted care to high-risk patients. KP leverages an integration of people, processes, and technology to develop and scale population-based specialty care.