Change in antihypertensive drug prescribing after guideline implementation: a controlled before and after study

Physicians' perceptions of the uptake of biosimilars: a systematic review

OBJECTIVES

To examine physicians' perceptions of the uptake of biosimilars.

DESIGN

Systematic review.

DATA SOURCES

MedLine Ovid and Scopus databases at the end of 2018.

ELIGIBILITY CRITERIA

Original scientific studies written in English that addressed physicians' perceptions of the uptake of biosimilars.

DATA EXTRACTION AND SYNTHESIS

The search resulted in altogether 451 studies and 331 after removing duplicates. Two researchers examined these based on the title, abstract and entire text, resulting in 20 studies. The references in these 20 studies were screened and three further studies were included. The data of these 23 studies were extracted. All the publications were quality assessed by two researchers.

RESULTS

Most of the selected studies were conducted in Europe and commonly used short surveys. Physicians' familiarity with biosimilars varied: 49%-76% were familiar with biosimilars while 2%-25% did not know what biosimilars were, the percentages varying from study to study. Their measured knowledge was generally more limited compared with their self-assessed knowledge. Physicians' perceptions of biosimilars also varied: 54%-94% were confident prescribing biosimilars, while 65%-67% had concerns regarding these medicines. Physicians seemed to prefer originator products to biosimilars and prescribed biosimilars mainly for biologic-naive patients. They considered cost savings and the lower price compared with the originator biologic medicine as the main advantages of biosimilars, while their doubts were often related to safety, efficacy and immunogenicity. 64%-95% of physicians had negative perceptions of pharmacist-led substitution of biologic medicines.

CONCLUSIONS

Physicians' knowledge of and attitudes towards biosimilars vary. Although physicians had positive attitudes towards biosimilars, prescribing was limited, especially for patients already being treated with biologic medicines. Perceptions of pharmacist-led substitution of biologic medicines were often negative. Education and national recommendations for switching and substitution of biologic medicines are needed to support the uptake of biosimilars.

Economic evaluation of guideline implementation in primary care: a systematic review

Purpose

To review the economic evaluation of the guideline implementation in primary care.

Data sources

Medline and Embase.

Study selection

Electronic search was conducted on April 1, 2019, focusing on studies published in the previous ten years in developed countries about guidelines of non-communicable diseases of adult (≥18 years) population, the interventions targeting the primary care provider. Data extraction was performed by two independent researchers using a Microsoft Access based form.

Results of data synthesis

Among the 1338 studies assessed by title or abstract, 212 qualified for full text reading. From the final 39 clinically eligible studies, 14 reported economic evaluation. Cost consequences analysis, presented in four studies, provided limited information. Cost-benefit analysis was reported in five studies. Patient mediated intervention, and outreach visit applied in two studies showed no saving. Audit resulted significant savings in lipid lowering medication. Audit plus financial intervention was estimated to reduce referrals into secondary care. Analysis of incremental cost-effectiveness ratios was applied in four studies. Educational meeting evaluated in a simulated practice was cost-effective. Educational meeting extended with motivational interview showed no improvement; likewise two studies of multifaceted intervention. Cost-utility analysis of educational meeting supported with other educational materials showed unfavourable outcome.

Conclusion

Only a minor proportion of studies reporting clinical effectiveness of guideline implementation interventions included any type of economic evaluation. Rigorous and standardized cost-effectiveness analysis would be required, supporting decision-making between simple and multifaceted interventions through comparability.

Consensus study to define appropriate inaction and inappropriate inertia in the management of patients with hypertension in primary care

OBJECTIVES

To elaborate and validate operational definitions for appropriate inaction and for inappropriate inertia in the management of patients with hypertension in primary care.

DESIGN

A two-step approach was used to reach a definition consensus. First, nominal groups provided practice-based information on the two concepts. Second, a Delphi procedure was used to modify and validate the two definitions created from the nominal groups results.

PARTICIPANTS

14 French practicing general practitioners participated in each of the two nominal groups, held in two different areas in France. For the Delphi procedure, 30 academics, international experts in the field, were contacted; 20 agreed to participate and 19 completed the procedure.

RESULTS

Inappropriate inertia was defined as: to not initiate or intensify an antihypertensive treatment for a patient who is not at the blood pressure goals defined for this patient in the guidelines when all following conditions are fulfilled: (1) elevated blood pressure has been confirmed by self-measurement or ambulatory blood pressure monitoring, (2) there is no legitimate doubt on the reliability of the measurements, (3) there is no observance issue regarding pharmacological treatment, (4) there is no specific iatrogenic risk (which alters the risk-benefit balance of treatment for this patient), in particular orthostatic hypotension in the elderly, (5) there is no other medical priority more important and more urgent, and (6) access to treatment is not difficult. Appropriate inaction was defined as the exact mirror, that is, when at least one of the above conditions is not met.

CONCLUSION

Definitions of appropriate inaction and inappropriate inertia in the management of patients with hypertension have been established from empirical practice-based data and validated by an international panel of academics as useful for practice and research.

Systematic Review and Meta-analysis of the Effectiveness of Implementation Strategies for Non-communicable Disease Guidelines in Primary Health Care

BACKGROUND

As clinical practice guidelines represent the most important evidence-based decision support tool, several strategies have been applied to improve their implementation into the primary health care system. This study aimed to evaluate the effect of intervention methods on the guideline adherence of primary care providers (PCPs).

METHODS

The studies selected through a systematic search in Medline and Embase were categorised according to intervention schemes and outcome indicator categories. Harvest plots and forest plots were applied to integrate results.

RESULTS

The 36 studies covered six intervention schemes, with single interventions being the most effective and distribution of materials the least. The harvest plot displayed 27 groups having no effect, 14 a moderate and 21 a strong effect on the outcome indicators in the categories of knowledge transfer, diagnostic behaviour, prescription, counselling and patient-level results. The forest plot revealed a moderate overall effect size of 0.22 [0.15, 0.29] where single interventions were more effective (0.27 [0.17, 0.38]) than multifaceted interventions (0.13 [0.06, 0.19]).

DISCUSSION

Guideline implementation strategies are heterogeneous. Reducing the complexity of strategies and tailoring to the local conditions and PCPs' needs may improve implementation and clinical practice.

A national approach to medicines information research: A systematic review

BACKGROUND

The Finnish Medicines Agency Fimea published the first National Medicines Information (MI) strategy in 2012. For the purpose of implementing the MI strategy into practice by the national MI Network, a comprehensive inventory of MI research in Finland was needed.

OBJECTIVE

To systematically review literature on MI research conducted in Finland by analyzing and classifying the studies, and identifying the gaps in MI research.

METHODS

Medline, Scopus and Medic databases were searched for peer-reviewed MI publications by using key word screening criteria. The search and extraction process followed PRISMA Guidelines and covered the period from January 2000 to June 2016. Included studies were content analyzed according to MI practices identified, trends over time in research methodology and theory.

RESULTS

Included publications (n = 126) applied a variety of research methods, most often cross-sectional surveys (n = 51, 40% of all studies), but more than half of the studies were qualitative (n = 68, 54%). Twelve were intervention studies of which 6 were randomized and had a control group. Studies were categorized into: patient counseling in different settings (n = 45); MI sources and needs of medicine users (n = 25); healthcare professionals' (HCPs) competence in patient counseling and pharmacotherapy (n = 25); MI sources and needs of HCPs (n = 23); MI education and literacy (n = 13); and MI policies and strategies (n = 3). Most of the studies were descriptive, and only 6 studies applied a theory.

CONCLUSIONS

Regardless of some methodological pitfalls, MI research conducted in Finland since 2000 provides multifaceted understanding of MI practices and their development needs. Research should shift towards larger research lines having a stronger theory base and study designs to deepen the understanding of MI practices and behaviors, and effectiveness of MI in different healthcare settings. Future research should cover also the use of electronic MI sources and services which apply modern information technology to clinical decision making and medication reviews, national MI policy, MI literacy, MI needs of HCPs and consumers.

A review on prescribing patterns of antihypertensive drugs

Hypertension continues to be an important public health concern because of its associated morbidity, mortality and economic impact on the society. It is a significant risk factor for cardiovascular, cerebrovascular and renal complications. It has been estimated that by 2025, 1.56 billion individuals will have hypertension. The increasing prevalence of hypertension and the continually increasing expense of its treatment influence the prescribing patterns among physicians and compliance to the treatment by the patients. A number of national and international guidelines for the management of hypertension have been published. Since many years ago, diuretics were considered as the first-line drugs for treatment of hypertension therapy; however, the recent guidelines by the Joint National Commission (JNC8 guidelines) recommend both calcium channel blockers as well as angiotensin-converting enzyme inhibitors as first-line drugs, in addition to diuretics. Antihypertensive drug combinations are generally used for effective long-term management and to treat comorbid conditions. This review focuses on the antihypertensive medication utilization, their cost factors, adherence to treatment by patients, and physicians’ adherence to guidelines in prescribing medications in different settings including Indian scenario. The antihypertensive medication prescribing pattern studies help in monitoring, evaluation and necessary modifications to the prescribing habits to achieve rational and cost-effective treatment. Additionally, periodic updating of recommended guidelines and innovative drug formulations, and prescription monitoring studies help in rational use of antihypertensive drugs, which can be tailored to suit the patients' requirements, including those in the developing countries.

Implementation of surgical quality improvement: auditing tool for surgical site infection prevention practices

BACKGROUND

Surgical site infections are a potentially preventable patient harm. Emerging evidence suggests that the implementation of evidence-based process measures for infection reduction is highly variable.

OBJECTIVE

The purpose of this work was to develop an auditing tool to assess compliance with infection-related process measures and establish a system for identifying and addressing defects in measure implementation.

DESIGN

This was a retrospective cohort study using electronic medical records.

SETTING

We used the auditing tool to assess compliance with 10 process measures in a sample of colorectal surgery patients with and without postoperative infections at an academic medical center (January 2012 to March 2013).

PATIENTS

We investigated 59 patients with surgical site infections and 49 patients without surgical site infections.

MAIN OUTCOME MEASURES

First, overall compliance rates for the 10 process measures were compared between patients with infection vs patients without infection to assess if compliance was lower among patients with surgical site infections. Then, because of the burden of data collection, the tool was used exclusively to evaluate quarterly compliance rates among patients with infection. The results were reviewed, and the key factors contributing to noncompliance were identified and addressed.

RESULTS

Ninety percent of process measures had lower compliance rates among patients with infection. Detailed review of infection cases identified many defects that improved following the implementation of system-level changes: correct cefotetan redosing (education of anesthesia personnel), temperature at surgical incision >36.0°C (flags used to identify patients for preoperative warming), and the use of preoperative mechanical bowel preparation with oral antibiotics (laxative solutions and antibiotics distributed in clinic before surgery). Quarterly compliance improved for 80% of process measures by the end of the study period.

LIMITATIONS

This study was conducted on a small surgical cohort within a select subspecialty.

CONCLUSIONS

The infection auditing tool is a useful strategy for identifying defects and guiding quality improvement interventions. This is an iterative process requiring dedicated resources and continuous patient and frontline provider engagement.

Developing an active implementation model for a chronic disease management program

Background

Introduction and diffusion of new disease management programs in healthcare is usually slow, but active theory-driven implementation seems to outperform other implementation strategies. However, we have only scarce evidence on the feasibility and real effect of such strategies in complex primary care settings where municipalities, general practitioners and hospitals should work together. The Central Denmark Region recently implemented a disease management program for chronic obstructive pulmonary disease (COPD) which presented an opportunity to test an active implementation model against the usual implementation model. The aim of the present paper is to describe the development of an active implementation model using the Medical Research Council’s model for complex interventions and the Chronic Care Model.

Methods

We used the Medical Research Council’s five-stage model for developing complex interventions to design an implementation model for a disease management program for COPD. First, literature on implementing change in general practice was scrutinised and empirical knowledge was assessed for suitability. In phase I, the intervention was developed; and in phases II and III, it was tested in a block- and cluster-randomised study. In phase IV, we evaluated the feasibility for others to use our active implementation model.

Results

The Chronic Care Model was identified as a model for designing efficient implementation elements. These elements were combined into a multifaceted intervention, and a timeline for the trial in a randomised study was decided upon in accordance with the five stages in the Medical Research Council’s model; this was captured in a PaTPlot, which allowed us to focus on the structure and the timing of the intervention. The implementation strategies identified as efficient were use of the Breakthrough Series, academic detailing, provision of patient material and meetings between providers. The active implementation model was tested in a randomised trial (results reported elsewhere).

Conclusion

The combination of the theoretical model for complex interventions and the Chronic Care Model and the chosen specific implementation strategies proved feasible for a practice-based active implementation model for a chronic-disease-management-program for COPD. Using the Medical Research Council’s model added transparency to the design phase which further facilitated the process of implementing the program.

Trial registration: http://www.clinicaltrials.gov/(NCT01228708).

Assessment of cardiovascular risk and target organ damage among adult patients with primary hypertension in Thika Level 5 Hospital, Kenya: a criteria-based clinical audit

BACKGROUND

Appropriate management of hypertension reduces the risk of death from stroke and cardiac disease and includes routine assessment for target organ damage and estimation of cardiovascular risk. However, implementation of evidence-based hypertension management guidelines is unsatisfactory. We explore the use of audit and feedback as a quality improvement (QI) strategy for reducing the knowledge practice gap in hypertension care in a resource poor setting.

AIMS

The aim of this study is to determine the level of compliance to evidence-based guidelines on assessment of cardiovascular risk and target organ damage among patients with hypertension in Thika Level 5 Hospital in central Kenya and to implement best practice with regard to evidence utilisation among clinicians in the hospital.

METHOD

A retrospective clinical audit done in three phases spread over 5 months. Phase one involved identifying five audit criteria on assessment of cardiovascular risk and target organ damage in patients with hypertension and conducting a baseline audit in which compliance to audit criteria, blood pressure control and drug prescription practices were assessed. Phase two involved identifying barriers to compliance to audit criteria and strategies to overcoming these barriers. The third phase was a follow-up audit.

RESULTS

There was no use of a cardiovascular risk assessment tool in both audits (0% vs. 0%; P = 1.00). Testing urine for haematuria and proteinuria reduced from 13% to 8% (P = 0.230) while taking a blood sample for measuring blood glucose, electrolytes and creatinine levels improved from 11% to 17% (P = 0.401). Performance of fundoscopy and electrocardiography remained unchanged at 2% and 8%, respectively (P = 0.886 and P = 0.898). High patient load was identified as the biggest barrier to implementation of best practice. Blood pressure control improved from 33% to 70% (P ≤ 0.001), whereas the proportion of patients on two or more recommended antihypertensive drugs rose from 59% to 72% (P = 0.158).

CONCLUSION

In Thika Level 5 Hospital, audit and feedback has a poor impact on assessment of cardiovascular risk and target organ damage but positive impact on blood pressure control and prescription practices. Time and sample size may have affected observed results. Additional audits and alternative QI strategies are warranted.

Assessing the effectiveness of strategies to implement clinical guidelines for the management of chronic diseases at primary care level in EU Member States: a systematic review

PURPOSE AND SETTING

This review aimed to evaluate the effectiveness of strategies to implement clinical guidelines for chronic disease management in primary care in EU Member States.

METHODS

We conducted a systematic review of interventional studies assessing the implementation of clinical guidelines. We searched five databases (EMBASE, MEDLINE, CENTRAL, Eppi-Centre and Clinicaltrials.gov) following a strict Cochrane methodology. We included studies focusing on the management of chronic diseases in adults in primary care.

RESULTS

A total of 21 studies were found. The implementation strategy was fully effective in only four (19%), partially effective in eight (38%), and not effective in nine (43%). The probability that an intervention would be effective was only slightly higher with multifaceted strategies, compared to single interventions. However, effect size varied across studies; therefore it was not possible to determine the most successful strategy. Only eight studies evaluated the impact on patients' health and only two of those showed significant improvement, while in five there was an improvement in the process of care which did not translate into an improvement in health outcomes. Only four studies reported any data on the cost of the implementation but none undertook a cost-effectiveness analysis. Only one study presented data on the barriers to the implementation of guidelines, noting a lack of awareness and agreement about clinical guidelines.

CONCLUSION

Our results reveal that there are only a few rigorous studies which assess the effectiveness of a strategy to implement clinical guidelines in Europe. Moreover, the results are not consistent in showing which strategy is the most appropriate to facilitate their implementation. Therefore, further research is needed to develop more rigorous studies to evaluate health outcomes associated with the implementation of clinical guidelines; to assess the cost-effectiveness of implementing clinical guidelines; and to investigate the perspective of service users and health service staff.