Guidelines on optimizing the use of proton pump inhibitors: PPI stewardship

Proton pump inhibitors (PPIs) have been available for over three decades and are among the most commonly prescribed medications. They are effective in treating a variety of gastric acid-related disorders. They are freely available and based on current evidence, use of PPIs for inappropriate indications and duration appears to be common. Over the years, concerns have been raised on the safety of PPIs as they have been associated with several adverse effects. Hence, there is a need for PPI stewardship to promote the use of PPIs for appropriate indication and duration. With this objective, the Indian Society of Gastroenterology has formulated guidelines on the rational use of PPIs. The guidelines were developed using a modified Delphi process. This paper presents these guidelines in detail, including the statements, review of literature, level of evidence and recommendations. This would help the clinicians in optimizing the use of PPIs in their practice and promote PPI stewardship.

Supporting the provision of pharmacy medication reviews to marginalised (medically underserved) groups: a before/after questionnaire study investigating the impact of a patient-professional co-produced digital educational intervention

OBJECTIVES

People who are marginalised (medically underserved) experience significant health disparities and their voices are often 'seldom heard'. Interventions to improve professional awareness and engagement with these groups are urgently needed. This study uses a co-production approach to develop an online digital educational intervention in order to improve pharmacy staffs' intention to offer a community pharmacy medication review service to medically underserved groups.

DESIGN

Before/after (3 months) self-completion online questionnaire.

SETTING

Community pharmacies in the Nottinghamshire (England) geographical area.

PARTICIPANTS

Community pharmacy staff.

INTERVENTION

Online digital educational intervention.

PRIMARY AND SECONDARY OUTCOME MEASURES

The primary outcome measure was 'behaviour change intention' using a validated 12-item survey measure. The secondary outcome measure was pharmacist self-reported recruitment of underserved groups to the medication review service.

RESULTS

All pharmacies in the Nottinghamshire area (n=237) were approached in June 2017 and responses were received from 149 staff (from 122 pharmacies). At 3 months (after completing the baseline questionnaire), 96 participants (from 80 pharmacies) completed a follow-up questionnaire, of which two-thirds (n=62) reported completing the e-learning. A before/after comparison analysis found an improving trend in all the five constructs of behaviour change intention (intention, social influence, beliefs about capabilities, moral norms and beliefs about consequences), with a significant increase in mean score of participants' 'beliefs about capabilities' (0.44; 95% CI 0.11 to 0.76, p=0.009). In the short-term, no significant change was detected in the number of patients being offered and the patient completing a medication review.

CONCLUSIONS

Although increases in the numbers of patients being offered a medication review was not detected, the intervention has the potential to significantly improve pharmacy professionals' 'beliefs about capabilities' in the short-term. Wider organisational and policy barriers to engagement with marginasied groups may need to be addressed. Future research should focus on the interplay between digital learning and practice to better identify and understand effective practice change pathways.

Medication regimen complexity and its impact on medication adherence and glycemic control among patients with type 2 diabetes mellitus in an Ethiopian general hospital

BACKGROUND

Different studies reported that higher diabetes-specific Medication Regimen Complexity Index (MRCI) has a negative impact on glycemic control potentially by decreasing medication adherence. However, information about regimen complexity and its association with adherence and glycemic control in Ethiopian patients with diabetes is unknown.

AIM

To evaluate medication regimen complexity and to assess its impact on medication adherence and glycemic control among patients with type 2 diabetes Mellitus (T2DM).

METHODS

A hospital-based cross-sectional design was conducted at Debre Tabor General Hospital from 1 May 2018 to 30 June 2018. Medication regimen complexity was evaluated using the 65-item validated tool called Medication Complexity Index (MRCI). Adherence was measured using Morisky Medication Adherence Scale while patients were classified as having poor or good glycemic control based on the recent record of their fasting blood glucose. Multivariable logistic regression analysis was applied to determine the association between predictive variables and outcome variables.

RESULTS

A total of 275 patients with T2DM who meet the inclusion criteria were included in the final analysis. About 22.2% of the participants were classified as having high diabetes-specific MRCI, whereas 35.6% of the participants were classified as having high patient-level MRCI. The majority (70.5%) of the respondents were adherent to their medications, and 42.9% of the total population were categorized as having good glycemic control. According to the result of the multivariate analysis, patients with low-level and moderate-level MRCI of both diabetes-specific and patient-level MRCI were more adherent to their medication compared with patients with high MRCI. High diabetes medication regimen complexity was associated with poor glycemic control in the adjusted analyses (adjusted OR = 0.276; 95% CI = 0.100 o 0.759).

CONCLUSION

The prevalence of high MRCImedication regimen complexity index is high among patients with T2DM. Patients with low and moderate regimen complexity had improved adherence. High diabetes-specific medication regimen complexity was associated with poor glycemic control. Simplification of a complex medication regimen for patients with diabetes should be sought by physicians and pharmacists to improve medication adherence and subsequent improvement in glycemic control.

Improving inappropriate medication and information transfer at hospital discharge: study protocol for a cluster RCT

BACKGROUND

Inappropriate medication and polypharmacy increase morbidity, hospitalisation rate, costs and mortality in multimorbid patients. At hospital discharge of elderly patients, polypharmacy is often even more pronounced than at admission. However, the optimal discharge strategy in view of sustained medication appropriateness remains unclear. In particular, unreflectingly switching back to the pre-hospitalisation medication must be avoided. Therefore, both the patients and the follow-up physicians should be involved in the discharge process. In this study, we aim to test whether a brief medication review which takes the patients' priorities into account, combined with a standardised communication strategy at hospital discharge, leads to sustained medication appropriateness and extends readmission times among elderly multimorbid patients.

METHODS

The study is designed as a two-armed, double-blinded, cluster-randomised trial, involving 42 senior hospital physicians (HPs) with their junior HPs and 2100 multimorbid patients aged 60 years or older. Using a randomised minimisation strategy, senior HPs will be assigned to either intervention or control group. Following instructions of the study team, the senior HPs in the intervention group will teach their junior HPs how to integrate a simple medication review tool combined with a defined communication strategy into their ward's discharge procedure. The untrained HPs in the control group will provide data on usual care, and their patients will be discharged following usual local routines. Primary outcome is the time until readmission within 6 months after discharge, and secondary outcomes cover readmission rates, number of emergency and GP visits, classes and numbers of drugs prescribed, proportions of potentially inappropriate medications, and the patients' quality of life after discharge. Additionally, the characteristics of both the HPs as well as the patients will be collected before the intervention. Process evaluation outcomes will be assessed parallel to the ongoing core study using qualitative research methods.

DISCUSSION

So far, interventions to reduce polypharmacy are still scarce at the crucial interface between HPs and GPs. To our knowledge, this trial is the first to analyse the combination of a brief deprescribing intervention with a standardised communication strategy at hospital discharge and in the early post-discharge period.

TRIAL REGISTRATION

ISRCTN, ISRCTN18427377 . Registered 11 January 2018.

Association of Inpatient Antimicrobial Utilization Measures with Antimicrobial Stewardship Activities and Facility Characteristics of Veterans Affairs Medical Centers

BACKGROUND

Antimicrobial stewardship programs (ASPs) have been advocated to improve antimicrobial utilization, but program implementation is variable. Antimicrobial stewardship programs (ASPs) have been advocated to improve antimicrobial utilization, but program implementation is variable.

OBJECTIVE

To determine associations between ASPs and facility characteristics, and inpatient antimicrobial utilization measures in the Veterans Affairs (VA) system in 2012.

DESIGN

In 2012, VA administered a survey on antimicrobial stewardship practices to designated ASP contacts at VA acute care hospitals. From the survey, we identified 34 variables across 3 domains (evidence, organizational context, and facilitation) that were assessed using multivariable least absolute shrinkage and selection operator regression against 4 antimicrobial utilization measures from 2012: aggregate acute care antimicrobial use, antimicrobial use in patients with non-infectious primary discharge diagnoses, missed opportunities to convert from parenteral to oral antimicrobial therapy, and double anaerobic coverage.

SETTING

All 130 VA facilities with acute care services.

RESULTS

Variables associated with at least 3 favorable changes in antimicrobial utilization included presence of postgraduate physician/pharmacy training programs, number of antimicrobial-specific order sets, frequency of systematic de-escalation review, presence of pharmacists and/or infectious diseases (ID) attendings on acute care ward teams, and formal ID training of the lead ASP pharmacist. Variables associated with 2 unfavorable measures included bed size, the level of engagement with VA Antimicrobial Stewardship Task Force online resources, and utilization of antimicrobial stop orders.

CONCLUSIONS

Formalization of ASP processes and presence of pharmacy and ID expertise are associated with favorable utilization. Systematic de-escalation review and order set establishment may be high-yield interventions. Journal of Hospital Medicine 2017;12:301-309.

Teaching drug utilization review skills via a simulated clinical decision making exercise

BACKGROUND

Drug utilization review (DUR) is a central role of the pharmacist, especially within the community pharmacy setting. Previous literature has shown risk of "alert fatigue", supporting the necessity of pharmacists to utilize a step-wise approach in evaluation of drug therapy during the verification process. Many students are intimidated by this process, and may lack verification practice or experience until their first day as a licensed pharmacist.

EDUCATIONAL ACTIVITY AND SETTING

An innovative skills-based laboratory exercise was developed for third-year pharmacy students to develop DUR skills. Through simulation of patient prescriptions, profiles, and drug information resources, students were tasked with completing a DUR for each patient case. Students were expected evaluate the clinical significance of various drug-related problems, determine if they would or would not dispense the prescription, and were required to provide rationale for their decision.

FINDINGS

This learning activity was well-received by the student population; however, students struggled with the volume of cases along with identifying a solution to the clinical scenario. On average, students required nine minutes per case, which is likely longer than community pharmacists can devote to a single DUR in practice.

DISCUSSION

In response, to student challenges with the activity, the number of cases was condensed to highlight key concepts and cases that facilitated strong discussion. To improve students' approach to the DUR process, faculty developed a vodcast to watch prior to the activity explaining a systematic approach to the DUR process as well as considerations a pharmacist should have.

SUMMARY

Development and integration of an active-learning, simulated dispensing activity allowed students to gain valuable experience completing the DUR process, a foundational community pharmacy practice skill; however, repeated experience should be provided to ensure competency.

Supporting underserved patients with their medicines: a study protocol for a patient/professional coproduced education intervention for community pharmacy staff to improve the provision and delivery of Medicine Use Reviews (MURs)

INTRODUCTION

Community pharmacy increasingly features in global strategies to modernise the delivery of primary healthcare. Medicine Use Reviews (MURs) form part of the English Government's medicines management strategy to improve adherence and reduce medicine waste. MURs provide space for patient-pharmacist dialogue to discuss the well-known problems patients experience with medicine taking. However, 'underserved' communities (eg, black and minority ethnic communities, people with mental illness), who may benefit the most, may not receive this support. This study aims to develop, implement and evaluate an e-learning education intervention which is coproduced between patients from underserved communities and pharmacy teams to improve MUR provision.

METHODS AND ANALYSIS

This mixed-methods evaluative study will involve a 2-stage design. Stage 1 involves coproduction of an e-learning resource through mixed patient-professional development (n=2) and review (n=2) workshops, alongside informative semistructured interviews with patients (n=10) and pharmacy staff (n=10). Stage 2 involves the implementation and evaluation of the intervention with community pharmacy staff within all community pharmacies within the Nottinghamshire geographical area (n=237). Online questionnaires will be completed at baseline and postintervention (3 months) to assess changes in engagement with underserved communities and changes in self-reported attitudes and behaviour. To triangulate findings, 10 pharmacies will record at baseline and postintervention, details of actual numbers of MURs performed and the proportion that are from underserved communities. Descriptive and inferential statistics will be used to analyse the data. The evaluation will also include a thematic analysis of one-to-one interviews with pharmacy teams to explore the impact on clinical practice (n=20). Interviews with patients belonging to underserved communities, and who received an MUR, will also be conducted (n=20).

ETHICS AND DISSEMINATION

The study has received ethical approval from the NHS Research Ethics Committee (East Midlands-Derby) and governance clearance through the NHS Health Research Authority. Following the evaluation, the educational intervention will be freely accessible online.

The effect of the introduction of a nationwide DUR system where local DUR systems are operating--The Korean experience

OBJECTIVE

Outpatient clinics in Korea usually have local DUR (drug utilisation review) systems, which are integrated with EMRs or health insurance claims submission systems. Whenever, the government announces a list of drug contraindications, each local DUR system loads the list and applies it in practice. In December 2010, a nationwide DUR system was introduced. This study is to investigate the impact of the nationwide DUR system on prescribing practices where local DUR systems are already operating.

METHODS

Between January 2009 and December 2012 the monthly number of drugs per prescription was retrieved from the health insurance claims data warehouse at the Health Insurance Review and Assessment (HIRA). The monthly proportions of 3 DDI (drug-drug interaction) pairs, 6 drug-age contraindications, and 3 drug-pregnancy contraindications from January 2007 to December 2012, at the outpatient clinic level, were also retrieved. An interrupted time series analysis was used for controlling government announcements of drug contraindications.

RESULTS

There was no difference in the number of drugs per prescription before and after the introduction of the nationwide DUR system. Most proportions of the 3 DDI pairs, 6 drug-age contraindications, and 3 drug-pregnancy contraindications, were significantly reduced following the government announcement of drug contraindications in the short term and/or long term.

CONCLUSION

The number of drugs per prescription was not related to the nationwide DUR introduction in places where local DUR systems are operating. The introduction of duplicate guidelines, in locations where the guidelines were already well followed, is considered to be the main reason for this. Furthermore, the Doctor's ignorance of alerts, and their continued substitution of regulated drugs, for non-regulated drugs, likely played a role in nullifying the effectiveness of the nationwide DUR system.

Therapeutic duplicate prescribing in Korean ambulatory care settings using the National Health Insurance claim data

BACKGROUND

Duplicate prescribing is known to occur across health systems and is one of the most frequent drug related problems. Therapeutic duplication (TD) increases the risk of adverse drug reactions without additional therapeutic benefits.

OBJECTIVES

This study aimed to develop TD criteria concerning four drug categories which are acid-related disorder drugs, antimicrobials, antihypertensives, and lipid modifying drugs and to estimate the prevalence of therapeutic duplicate prescribing at the ambulatory care settings in Korea.

METHODS

TD criteria were developed using the WHO anatomical therapeutic chemical classification and modified with an expert consensus panel using the Delphi method. The prevalence of TD including ingredient duplication (ID) of four drug categories was examined using National Health Insurance claim database including 15 million patients during one month in 2009 (December). TD was defined as prescribing medications within the same category in the developed TD criteria list.

RESULTS

The numbers of patients who received acid-related disorder drugs, antimicrobials, antihypertensives, and lipid-modifying drugs in the study period were 10,049,292, 7,584,131, 4,349,945, and 1,425,292 respectively. In the field of acid-related disorder drugs prescribed, there were 0.3 % IDs and 2.5 % TDs within a prescription issued by one prescriber. There were 8.4 % IDs and 14.5 % TDs between prescriptions issued at different ambulatory visits. In the field of antimicrobial medicines, there were 0.1 % IDs and 2.6 % TDs within a prescription, while there were 5.0 % IDs and 7.6 % TDs between different prescriptions. Amongst the antihypertensives prescribed, there were 0.4 % IDs and 1.9 % TDs within a prescription, while there were 9.9 % IDs and 11.5 % TDs between prescriptions. Lastly, looking at lipid-modifying drugs prescribed, there were 0.3 % IDs and 0.5 % TDs within one prescription, while there were 8.9 % IDs and 9.4 % TDs between prescriptions.

CONCLUSION

The prevalence of duplicate prescribing was substantial in the ambulatory care setting which is to be improved using the TD criteria developed from this study in the national drug utilization review system in Korea.

[There is an inconsistency between quality demands for medication reconciliation and the clinical reality]

The purpose of medication reconciliation in the Danish Quality Model is "to ensure that patients receive the correct drugs at admission …". This should be done by matching the patient's medication history with the prescribed medications to eliminate unintended inconsistencies. It lies in the procedure that the deficiencies in the medication history will be maintained by virtue of procedure. It is recommended to consider strategies and research for identifying effective processes to ensure the purpose.

[The hospital guidelines for medication reconciliation are not precis]

Medication reconciliation has proved difficult to implement in practice. Medication reconciliation is a requirement in the Danish Healthcare Quality Programme. The purpose is to ensure that the patient receives the correct medicine. The guidelines for medication reconciliation in the Danish Quality Model are clearly reflected in the actual guidelines for medication reconciliation at hospitals in Denmark. However, it does not match the complexity of the clinical reality. If the distance between the clinical reality and the actual planned action becomes too large, problems might occur with the implementation of planned actions.

[Successful collaboration between community pharmacies and general practitioners on reviews and comparisons of home medication]

The study developed and tested collaboration models for home medication reviews (HMR) between community pharmacies and general practitioner (GP)s. Three pairs (each comprising one pharmacist and one GP) developed a collaboration agreement on the patient group, content and place for HMR, responsibilities, continuation etc. The collaboration models were evaluated by the pairs and by a project group. The models were very different - adjusted to the GP's and the pharmacist's individual wishes. The entering of collaboration agreements is a good platform for effective cooperation between the pharmacist and the GP and leads to successful HMRs. We recommend that others develop collaboration models too.

Society for Healthcare Epidemiology of America; Infectious Diseases Society of America; Pediatric Infectious Diseases Society. Policy statement on antimicrobial stewardship by the Society for Healthcare Epidemiology of America (SHEA), the Infectious Diseases Society of America (IDSA), and the Pediatric Infectious Diseases Society (PIDS). Infect Control Hosp Epidemiol. 2012;33:322-327. [PMID: 22418625 DOI: 10.1086/665010]

Antimicrobial resistance has emerged as a significant healthcare quality and patient safety issue in the twenty-first century that, combined with a rapidly dwindling antimicrobial armamentarium, has resulted in a critical threat to the public health of the United States. Antimicrobial stewardship programs optimize antimicrobial use to achieve the best clinical outcomes while minimizing adverse events and limiting selective pressures that drive the emergence of resistance and may also reduce excessive costs attributable to suboptimal antimicrobial use. Therefore, antimicrobial stewardship must be a fiduciary responsibility for all healthcare institutions across the continuum of care. This position statement of the Society for Healthcare Epidemiology of America, the Infectious Diseases Society of America, and the Pediatric Infectious Diseases Society of America outlines recommendations for the mandatory implementation of antimicrobial stewardship throughout health care, suggests process and outcome measures to monitor these interventions, and addresses deficiencies in education and research in this field as well as the lack of accurate data on antimicrobial use in the United States.

Applying "children defined daily dose" to assess appropriate dose in pediatrics

OBJECTIVE

Inappropriate drug dosage is a serious problem in pediatrics, mainly due to the lack of clinical evidence in children, suitable preparation formulation, and standardized methods for dose adjustment. A method for evaluating and monitoring appropriate dosage in pediatrics is urgently needed. The drug utilization index (DUI) based on the Anatomical Therapeutic Chemical/Defined Daily Dose (ATC/DDD) has been widely used in the assessment of appropriate dosage in adults. We explored possible methods for assessing appropriate dosage in children.

METHODS

Based on our previous studies, we discuss cDUI in the assessment of appropriate dosage in children as follows: the meaning of cDDD, the establishment of a standardized system, and the classified evaluation of dosage in pediatrics.

RESULTS

Although the definition of cDDD draws on the concept of defined daily dose (DDD), the meaning of cDDD is different from that of the latter. Specifically, the purpose of cDDD is to evaluate appropriate pediatric dose, while DDD is a unit of measurement. cDDD could be used to assess dose rationality for common and serious pediatric diseases, and would be refined over time. A single cDDD should be assigned per drug and indication and given per drug and route of administration. The influence of age, weight, diagnosis, and administration route on the dosage should be considered. Classified evaluation should be used and weight should be given to the above mentioned factors in order to evaluate the appropriate dose objectively and comprehensively.

CONCLUSIONS

Dosage regulation in pediatrics has an important role in improving medical quality and protecting the safety, effectiveness, and economy of medical therapy in children. The establishment of a cDUI system is a good try in pediatric dosage evaluation. Although there are still defects within this proposed system and methodology, the principle seems feasible.

Physicians' evaluation of clinical pharmacy revealed increased focus on quality improvement and cost savings

INTRODUCTION

The aims of the present study were to evaluate physicians' satisfaction with medication services delivered by a clinical pharmacist (CP); to investigate and document to which extent a CP could improve the medication quality and reduce medication costs at an intensive care unit (ICU); and to explore which types of tasks the CP was asked to perform.

MATERIAL AND METHODS

The project was conducted at an ICU from 1 February to 31 August 2008. The intervention consisted of certain tasks being performed by a CP. The intervention was evaluated on the basis of documentation of the intervention performed and on a questionnaire filled in by physicians at the end of the study.

RESULTS

The majority of the physicians reported that the CP's intervention had raised their attention to medication costs (70%) and medication quality (76%). This physician-reported impression correlated with the CP's intervention which improved medication quality and catalysed an annual estimated cost saving of at least DKK 330,000, which was achieved by targeting particular medication areas. The CP was asked to perform various medication-related tasks during the project period. Indeed, the physicians reported that they found the CP qualified to perform several medication-related tasks--and many physicians reported that they had benefitted from input regarding those tasks.

CONCLUSION

The intervention occasioned positive physician feedback on clinical pharmacy services and the study shows that the CP was perceived by the physicians as a valuable professional collaborator.

Frequency, types and severity of medication use-related problems among medical outpatients in Nigeria

OBJECTIVES

To determine the frequency, types and severity of medications use-related problems among medical outpatients in a tertiary care setting in southwestern Nigeria.

SETTING

Medical outpatient clinics of a 900-bed Teaching Hospital located in Ibadan, Southwestern Nigeria.

METHODS

A prospective cross-sectional medication use review was conducted by ten pharmacists for 400 randomly selected medical outpatients over a 4 week period at a 900-bed premier teaching hospital located in Ibadan, Nigeria. Severity assessment of medication use-related problems was done by 3 independent assessors with a modified severity index.

MAIN OUTCOME MEASURE

Frequency, types and severity of medication use-related problems identified through pharmacist-initiated medication use review.

RESULTS

Of the 400 randomly selected patients, 324 (81.0%) consented and were interviewed. One hundred and sixty-three (50.3%) of the cohort were males and 161 (49.7%) were females; with mean ages 51.5 ± 17.6 and 52.1 ± 17.4 years respectively. Median no. of drugs prescribed per patient per day was 4 (Minimum-Maximum, 1-7). About 27.5% were self medicating with orthodox (prescription-only and over-the-counter) and/or herbal medicines; and only 14.6% claimed disclosure to their physicians. The proportion of patients self medicating with orthodox medicines was significantly higher (P < 0.0001). Two hundred and twenty-six medication use-related problems were identified from 58.6% of patients, but the highest number (5) was identified among 2.6% of patients. The frequency of medication use-related problems appear strongly related to the number of medicines prescribed (r = 0.71, P = 0.006). The majority of medication use-related problems were ranked as potentially harmful [Inter-rater reliability coefficient: Gwet AC1: 0.7214 (P ≤ 0.001)]. Non-adherence (43.8%), problems associated with self medication (39.3%) and adverse drug reactions (15.6%) were the most frequent. Unauthorized drug holidays (46.5%) and stoppage of prescribed prescription-only medications for local herbs (29.3%) were the major consequences of non-adherence. Potentially harmful drug-disease interactions were the most frequent medication use-related problems arising from self medication (40.4%).

CONCLUSION

Potentially harmful medication use-related problems are frequently encountered among medical outpatients in Nigeria. The institutionalization of medication use review and the devolution of this task to pharmacists may prove beneficial in optimizing outcomes of medication use in Nigeria.

Strategic opportunities for effective optimal prescribing and medication management

BACKGROUND

Canadians receive over 422 million prescriptions and spend over $26 billion annually on drugs. Yet, we do not systematically capture information on whether the right drugs reach the right people with the intended benefits, while avoiding unintended harm. It is important to identify and understand the effectiveness of approaches used to improve prescribing and medication use.

OBJECTIVE

To discuss the medication-use system, identify factors affecting prescribing, and assess effectiveness of interventions.

METHODS

A literature review was conducted using electronic databases, federal agencies', provincial health departments', health service delivery organizations' and Canadian health research organizations' websites, the Internet, and some hand searching. Interventions identified were categorized according to the Effective Practice and Organization of Care Group (EPOC) classification, with effectiveness based on the literature.

RESULTS

Factors affecting prescribing relate to the patient and society, medication, prescriber, practice environment and organization, available information and other external factors. Interventions reported as generally effective are multi-faceted interventions, academic detailing, and reminders. Interventions reported as sometimes effective are audit and feedback or physician profiling, local opinion leaders, drug utilization review, and local consensus guidelines. Passive dissemination of educational materials is deemed generally ineffective.

CONCLUSIONS

No single approach is appropriate for every prescribing problem, health professional prescriber practice or health care setting. Interventions to improve prescribing in community and institutional settings have variable effect sizes. Effectiveness is related to content, delivery mechanisms, intensity, intervention's context, and implementation environment. Even an intervention with a small effect size (< 10%) may yield important changes in drug use when applied on a population basis. Further research and evaluation is needed to determine how or why the interventions work and identify barriers to effective implementation.

Pharmacologically inappropriate prescriptions for elderly patients in general practice: How common? Baseline data from The Prescription Peer Academic Detailing (Rx-PAD) study

OBJECTIVE

To assess Norwegian general practitioners' (GPs') level of potentially harmful drug prescribing for elderly patients.

DESIGN

Prescription data for 12 months were retrospectively retrieved from the Norwegian Prescription Database (NorPD). Data were assessed in relation to 13 prescription quality indicators.

SETTING

General practice.

SUBJECTS

A total of 454 GPs attending continuous medical education (CME) groups in Southern Norway, 85,836 patients >or=70 years who received any prescription from the GPs during the study period.

MAIN OUTCOME MEASURES

Number of prescriptions assessed in relation to pharmacological inappropriateness based on a list of 13 explicit prescription quality indicators.

RESULTS

Some 18.4% of the patients (66% females with mean age 79.8 years, 34% males with mean age 78.7 years) received one or more inappropriate prescriptions from their GP. An NSAID in a potentially harmful combination with another drug (7%) and a long-acting benzodiazepine (4.6%) were the most frequent inappropriate prescriptions made. Doctor characteristics associated with more inappropriate prescribing practice were old age and working single-handed with many elderly patients.

CONCLUSION

The study reveals areas where GPs' prescribing practice for elderly patients can be improved and which can be targeted in educational interventions.

The quality of pharmacotherapy in older veterans discharged from the emergency department or urgent care clinic

OBJECTIVES

To determine the prevalence and type of suboptimal pharmacotherapy that older veterans discharged from the emergency department (ED) or urgent care clinic (UCC) receive and to examine factors associated with suboptimal pharmacotherapy in this population.

DESIGN

Retrospective, cohort study.

SETTING

An academically affiliated Department of Veterans' Affairs (VA) Medical Center.

PARTICIPANTS

Four hundred twenty-one veterans aged 65 and older who were prescribed a new medication at the time of discharge from the ED or UCC.

MEASUREMENTS

The primary dependent variable, suboptimal pharmacotherapy, was a composite measure defined as one or more drug-related problems, based on drugs-to-avoid criteria, drug-drug interactions, drug-disease interactions, and failure to satisfy an explicit quality indicator for prescribing or medication monitoring.

RESULTS

A total of 757 drugs were prescribed to the 421 patients at the time of discharge from the ED or UCC (mean number+/-standard deviation per patient 1.65+/-1.1). The most frequently prescribed medications were nonsteroidal antiinflammatory drugs (n=59), opioid analgesics (n=47), and fluoroquinolone antibiotics (n=46). Overall, 134 (31.8%) subjects were found to have suboptimal pharmacotherapy with regard to their discharge medications; 49 (11.6%) were prescribed a drug to avoid, 53 (12.6%) received a drug that introduced a new drug-drug interaction, 24 (5.7%) were given a drug that introduced a drug-disease interaction, and 74 (17.6%) did not have a quality indicator satisfied (61% of these evaluated prescribing and 39% evaluated medication monitoring). No consistent associations between patient or visit characteristics and suboptimal pharmacotherapy were identified in multivariable models.

CONCLUSION

A substantial number of older adults discharged from the ED or UCC may be at risk for adverse events due to suboptimal prescribing and inadequate medication monitoring. Further study is needed to examine the relationship between suboptimal pharmacotherapy and adverse clinical outcomes.

Changes in the state operations manual: implications for consultant pharmacy practice

Long-term care facilities are subject to annual reviews by surveyors, who must follow regulations issued by the Centers for Medicare and Medicaid Services. Recent revisions to the State Operations Manual, which provides guidance to the surveyors about how to conduct the review, signal important changes in the way consultant pharmacists will be held accountable for medication use in these facilities.

Avaliação da qualidade das prescrições de antimicrobianos dispensadas em unidades públicas de saúde de Belo Horizonte, Minas Gerais, Brasil, 2002

O uso abusivo de antimicrobianos constitui um grave problema de saúde pública e tem suscitado discussões acerca da racionalidade de sua utilização. O objetivo deste trabalho foi investigar a prescrição de antimicrobianos de uso sistêmico em unidades de atenção primária da Gerência de Saúde Centro Sul da Secretaria Municipal de Saúde de Belo Horizonte, Minas Gerais, Brasil. Trata-se de um estudo transversal de avaliação das prescrições atendidas durante o mês março de 2002, utilizando-se indicadores da Organização Mundial da Saúde e do uso de antimicrobianos. Constatou-se que cerca de 20% das receitas continham pelo menos um antimicrobiano de uso sistêmico. A amoxicilina foi o antibacteriano mais prescrito, seguido pela benzilpenicilina benzatina. Observaram-se índices de presença de dados técnicos (dose, intervalo entre doses, via de administração e tempo de tratamento) nas prescrições variando de 23,6% a 99,6%. Em cerca de 10% das receitas, não havia definição do tempo de tratamento e houve uma grande variabilidade na duração deste. Este estudo evidenciou a necessidade de implementação de medidas informativas e normativas que visem a melhorar a qualidade da prescrição de antimicrobianos no nível ambulatorial.

Evaluating Sample Medications in Primary Care: A Practice-Based Research Network Study

BACKGROUND

No reports have objectively evaluated safety of samples in primary care practices. A study was conducted to determine adherence to the Institute for Safe Medication Practices (ISMP) recommendations for safe distribution of medication samples to minimize medication errors.

METHODS

In 2004, 17 urban and rural primary care practices participated in a two-phase observational study: (1) a site visit to collect inventory data and perform assessment of medication sample dispensing procedures and (2) a survey questionnaire for providers and patients upon sample medication provision.

RESULTS

No practices were compliant with all seven ISMP recommendations. Twelve of 17 practices had policies for sample medication dispensing, and 7 had policies for labeling. Sample medication use was evaluated for 585 office visits and 27 patient surveys. Fifty-eight sample medications were dispensed during 55 of 585 patient visits. Common reasons for using sample medications included availability and need for a short-term trial for a chronic medication. Verbal communication only was provided most of the time for patient education regarding appropriate sample medication use and side effects.

DISCUSSION

Primary care practices in this research network did not follow safe and appropriate sample medication dispensing procedures as outlined by ISMP. Both labeling and patient instructions were inadequate and may increase the risk for medication errors.

Assessing potentially inappropriate prescribing in the elderly Veterans Affairs population using the HEDIS 2006 quality measure

BACKGROUND

Studies have found that 20% to 25% of older patients receive drugs identified as inappropriate by the 1997 Beers criteria. After the addition of 22 new drugs to the 2003 Beers criteria, the National Committee on Quality Assurance convened an expert consensus panel to identify which drugs from the 2003 Beers criteria should always be avoided in the elderly. The resulting list of drugs to avoid was added to the 2006 Health Plan Employer Data and Information Set (HEDIS) to measure the quality of prescribing for the elderly.

OBJECTIVE

To use HEDIS 2006 criteria to determine the rate of potentially inappropriate prescribing in the elderly (PIPE) and to determine if patient risk factors are similar to those found using Beers criteria.

METHODS

This cross-sectional database study identified older patients receiving drugs included in the HEDIS 2006 criteria using national data from the Veterans Health Administration. Patients aged 65 years or older on October 1, 1999, with at least 2 outpatient visit days during fiscal year 2000, ending September 30, or outpatient visits in fiscal years 1999 and 2000 were included (N=1,096,361). Multivariable logistic regression analyses stratified by gender identified patient characteristics associated with increased risk of HEDIS 2006 drug exposure. Since oral estrogens were considered appropriate at the time of this study, they were excluded from the list of HEDIS 2006 drugs.

RESULTS

Overall, 19.6% of older veterans were exposed to HEDIS 2006 drugs. 23.3% of older veteran women and 19.2% of older veteran men. The most commonly prescribed HEDIS 2006 drugs were antihistamines (received by 9.0% of men and 10.7% of women), opioid analgesics (received by 4.6% of men and 5.8% of women), and skeletal muscle relaxants (received by 4.3% of men and 5.3% of women). Propoxyphene was the most commonly used HEDIS 2006 drug, received by 4.5% of men and 5.7% of women, followed by diphenhydramine, received by 3.5% of men and 4.7% of women, and hydroxyzine, received by 3.2% of both men and women. Patients receiving 10 or more medications of any type were at greatest risk of exposure. Men were 8.2 times more likely to receive at least 1 HEDIS 2006 drug than those taking 1 to 3 drugs of any type (95% confidence interval [CI], 8.0-8.4), while women were 9.6 times more likely (95% CI, 8.2-11.2).

CONCLUSIONS

Even though we included a slightly different list of drugs to avoid, results for the HEDIS 2006 measure were similar to those of the 1997 Beers criteria. The HEDIS 2006 drugs are commonly prescribed, and there is a distinct need for direct evidence linking HEDIS 2006 PIPE exposure to adverse patient outcomes. To reduce PIPE, it seems necessary to provide additional evidence for clinicians through the conducting of a well-designed study to assess patient outcomes associated with PIPE exposure as defined by the HEDIS criteria.

Rational use of medicines--an important issue in pharmaceutical policy

In this article the authors deal with issues of drug utilisation from a clinical and policy perspective. They address the difficulties of managing drug therapy on a population level, which is known among professionals, as the problem of rational use of medicines. Various definitions and interpretations are presented and compared. This is followed by a presentation of the concerns associated with pharmaceutical marketing from a policy perspective, including the fear that the dominance of information produced by industry may lead to irrational drug use. Next, the authors review the tools for policy making including educational, managerial, and regulatory interventions. The (often overlapping) concepts of medicines management, clinical pharmacy and pharmaceutical care are then discussed to show how professionals, sometimes in collaboration with policymakers, have tackled the problem of nonrational use of medicines. The authors address the question as to whether the rational use of medicines a universal concept, whether it can be and whether it should be? They argue that, as with most concepts, the rational use of medicines must always be viewed in context. They conclude that pharmacy needs to adapt its way of thinking to include the issue of context. They point out that clinical pharmacists today already adapt their decisons to each patient and patient group. Policy-makers are encouraged to adopt a similar approach because populations as well as particular market situations vary and therefore policy solutions cannot be considered universal.

Drug utilization review across jurisdictions – a reality or still a distant dream?

OBJECTIVE

There is a perception that many drug usage evaluations do not widely influence prescribing behaviour. The aim of this study was to critically evaluate recent journal articles which fit the Medline definition for Drug Utilization Review (DUR) and which also cover multiple healthcare sites.

METHODS

PubMed (National Library of Medicine, NLM) (2003, 2004) was searched using the MeSH topic 'drug utilization'. Retrieved studies were evaluated to ascertain those describing a DUR (measuring drug use against specific criteria). These were subdivided according to whether the DUR was conducted at one site or across many. The multi-centre DURs were critically reviewed, including evaluating whether all phases of a quality cycle were completed and determining aspects of design such as whether the study was prospective or retrospective, any interventions conducted and provision of feedback.

RESULTS

A total of 646 unique articles were retrieved. Of these, 495 (77%) did not meet the definition for DUR, while 151 (23%) articles did. Thirty-five (5%) described English language multi-centre DURs; ethics approval was obtained in ten of these and 18 were carried out retrospectively. In all 35 studies some comparator or standard was used, but only eight conducted an intervention and only three provided feedback to the prescribers.

CONCLUSION

Most DURs were not conducted across a number of centres. Of the recent published multi-centre DURs most presented only an initial audit and did not complete the quality cycle with feedback, intervention and re-audit. To widely influence prescribing behaviour, the full cycle is required with involvement of as many sites as possible to achieve improvements across many jurisdictions.

The validity of explicit indicators of prescribing appropriateness

OBJECTIVE

To assess, from the perspective of UK hospital doctors, the content validity and operational validity of a set of 14 previously developed explicit indicators of the appropriateness of long-term prescribing started during a hospital admission.

METHOD

A combination of data extraction from medical records and qualitative interviews with a maximum variability sample of hospital doctors.

PARTICIPANTS

The indicators were applied to 132 new prescriptions, intended for long-term use, prescribed for 61 patients; 36 doctors, of various grades, were purposively selected for interview.

RESULTS

Appropriate prescribing was viewed as prescribing that was indicated, necessary, evidence based (using a broad meaning of 'evidence') and of acceptable cost and risk-benefit ratio. These concepts applied to individual drugs for individual patients, rather than at a more general, public health level. Where drugs had failed an indicator, rationales were explored. Often, it was missing data in the medical notes that had resulted in the drug failing the indicator.

CONCLUSIONS

The 14 indicators were considered to have content validity, reflecting all aspects of appropriate prescribing discussed by the doctors. Their operational validity was less clear-cut, due to the lack of necessary data in the medical notes. This has implications for the use of explicit indicators for assessing prescribing appropriateness, as these hospital doctors did not consider that the data required for objective, systematic assessment of prescribing would ever be recorded in hospital medical notes.

A study of the management of erectile dysfunction in general practice

BACKGROUND AND OBJECTIVES

The Department of Health issued guidelines for the NHS treatment of erectile dysfunction (ED) with phosphodiesterase type 5 inhibitors (PDE 5 inhibitors) in 1999. There has been an increasing trend in the prescribing of PDE 5 inhibitors within Bebington and West Wirral Primary Care Trust (PCT) over the 3-year period from February 2001 to January 2004. The objective of the study was to investigate implementation of Government guidelines on prescribing of PDE 5 inhibitors for ED and the cost of prescribing outside these guidelines.

METHODS

Practice data were collected for all patients prescribed a PDE 5 inhibitor in 16 surgeries within Bebington and West Wirral Primary Care Trust, from November 2002 to December 2003. The data were evaluated with respect to adherence to UK Government guidelines. Analysis was made on the cost to the PCT with respect to treatment provided outside the guidelines.

RESULTS AND DISCUSSION

Prescribing for 78% of patients was within Government guidelines. With respect to frequency of prescribing, 89% of patients in the PCT received less than or equal to the recommended frequency of one tablet per week. The percentage range for practices was 67-100%. The cost to the PCT for PDE 5 inhibitor treatment provided outside the guidelines was 19,060 pounds sterling over the period of study.

CONCLUSION

Prescribers generally follow Government guidelines, however, stricter adherence to guidelines could result in more efficient use of National Health Service resources.

The application of prescribing indicators to a primary care prescription database in Ireland

OBJECTIVE

To develop appropriate prescribing indicators and apply these to Irish prescription data.

METHODS

A postal survey of 145 randomly selected general practitioners working within the Eastern Health Board region of the State-supported General Medical Services scheme in Ireland regarding the applicability of selected prescribing indicators was carried out. Such indicators were then applied to aggregate prescription data.

RESULTS

Prescribing indicators based on agents of questionable efficacy/poor quality prescribing and those based on good prescribing practice were thought to make suitable indicators. Low rates of prescribing were noted for indicators based on drugs of limited efficacy, e.g. cerebral and peripheral vasodilators (rate 3.1 per 1,000 prescriptions), whilst indicators based on drugs associated with good prescribing practice were associated with higher prescribing rates, e.g. the prescription of aspirin in patients receiving nitrate therapy(rate 7.13 per 1,000 patients). However, a low rate of generic prescribing (4.6%) was found amongst general practitioners in the study. The largest variability in prescribing was seen with the prescribing of peripheral and cerebral vasodilators (75th/25th centile=5.6) and the prescription of long-acting sulphonylureas (75th/25th centile=66.6).

CONCLUSIONS

Quality indicators based on aggregate prescribing provide valuable information on prescribing standards and should be developed with the close involvement of prescribers.

Impact of a web-based antimicrobial approval system on broad-spectrum cephalosporin use at a teaching hospital

OBJECTIVE

To achieve sustained improvement in use of cefotaxime and ceftriaxone (CEFX) in a major teaching hospital, as measured against national antibiotic guidelines.

DESIGN AND SETTING

Pre- and post-intervention survey of CEFX use in the Royal Melbourne Hospital, a tertiary hospital in Melbourne, Victoria.

INTERVENTION

Web-based antimicrobial approval system linked to national antibiotic guidelines was developed by a multidisciplinary team and implemented in March 2001.

MAIN OUTCOME MEASURES

Change in rate of CEFX use (defined daily doses [DDDs] per 1000 acute occupied bed days) over 8 months pre- and 15 months post-intervention; concordance of indication for CEFX with national antibiotic guidelines pre- and post-intervention.

RESULTS

CEFX use decreased from a mean of 38.3 DDDs/1000 bed days pre-intervention to 15.9, 18.7 and 21.2 DDDs/1000 bed days at 1, 4 and 15 months post-intervention. Concordance with national antibiotic guidelines rose from 25% of courses pre-intervention to 51% within 5 months post-intervention (P < 0.002). Gentamicin use also increased, from a mean of 30.0 to 48.3 DDDs/1000 bed days (P = 0.0001).

CONCLUSION

The web-based antimicrobial approval system achieved a sustained reduction in CEFX use over 15 months as well as increased prescribing concordance with antibiotic guidelines. It has potential for linking to electronic prescribing and for wider use for other drugs, as well as for research into the epidemiology of antibiotic use.

Deciding not to measure performance: the case of acute otitis media

BACKGROUND

No Health Plan Employer Data and Information Set (HEDIS) performance measures evaluate health plans for possible overuse or inappropriate use of antibiotics. Acute otitis media (AOM), or infection of the middle ear, is one of the most common infections in children. The antibiotic resistance of the bacteria that cause AOM and the general overuse and inappropriate use of antibiotics for this condition are taking center stage as a major public health threat. An effort was undertaken to develop a new HEDIS performance measure that evaluates appropriate antibiotic use in children with AOM.

THE MEASURE DEVELOPMENT PROCESS

The measure development process has three major phases: the initial development phase, the field-testing and analysis phase, and the measure refinement phase. With AOM, the measure development process could not proceed beyond the first phase for reasons that are be discussed in detail.

CONCLUSIONS

Additional difficulties beyond feasibility issues may arise in developing a quality of care performance measure. The measure development process discussed in this article failed primarily because of issues related to relevance as well as the scientific soundness of the proposed measures. If the evidence base related to the diagnosis and management of a particular condition is sparse, no standard can be developed against which to measure performance, and the criterion of scientific soundness cannot be met. This is the case with AOM. Unfortunately, the evidence base will likely remain inadequate to support the development of such a measure in the future.

Changes in prescribed drug doses after market introduction

PURPOSE

The establishment of recommended dosing regimens has always been a difficult aspect of drug development. This paper examines the extent to which postmarketing prescribing deviates from initially recommended dosing regimens. We used the World Health Organization's (WHO) periodically updated compilation of the 'Defined Daily Dose' (DDD) to reflect prevailing patterns of prescribing in national markets. The aim of this study was to evaluate DDD changes over time (1982-2000) and to identify possible determinants of these changes.

METHODS

Data on DDD changes were obtained from the WHO's Oslo Collaborating Centre. We performed a case-control analysis in which we compared drugs with (cases) and without (controls) postmarketing changes in DDD on possible determinants associated with DDD change.

RESULTS

We found 115 instances of a change of DDD in the period 1982-2000 (45 (39.1%) increases and 70 (60.9%) decreases). Antibiotics showed the greatest number of changes in DDD: predominantly increases in the 1980s, while the 1990s were dominated by decreases in DDD of mostly cardiovascular drugs.

CONCLUSION

Changes in DDD reflect the outcome of a melange of forces, including misconceptions of dose requirements during pre-market development of drug and postmarketing changes in pharmacotherapeutic knowledge, clinical concepts, economic forces, and, in the case of anti-infective agents, changing patterns of resistance/sensitivity of target microorganisms to the anti-infective agent(s) in question.

Strategies to contain the emergence of antimicrobial resistance: a systematic review of effectiveness and cost-effectiveness

OBJECTIVES

To conduct a systematic review of the literature to describe and critically appraise studies reporting on the cost and/or effectiveness of interventions proposed to control the emergence of antimicrobial resistance (AMR).

METHODS

The search for relevant studies encompassed consultation with world experts in AMR, and electronic bibliographic database search of: Medline (1960-2000); ISI (1981-2000); EMBASE (1988-2000); Grey Literature (1999-2000); Database of Reviews of Effectiveness (DARE) and the NHS Health Economic Evaluation Database (HEED) at York University's Centre for Reviews and Dissemination (CRD) (numerous years); OPAC (1975-2000); and the Cochrane Library Online (1990-2000). Only studies that concerned the effectiveness or cost-effectiveness of measures specifically designed to contain the emergence of AMR were reviewed. Standardised data extraction sheets, based on existing checklists for effectiveness and cost-effectiveness, were used to assess the validity of each study using the 'risk of bias criteria' suggested in the Cochrane Handbook. Only studies categorised as being at low or moderate risk of bias were reported fully. The reliability of the data review process was monitored by comparison of several, random, independent assessments by all authors. The mix of study methods (i.e. including studies based on non-randomised controlled trials) meant that formal meta-analysis was not possible, and thus a qualitative review was performed.

RESULTS

In total, 43 studies were reviewed, with 21 classed as being at moderate or low risk of bias and therefore reported in the paper. These studies covered policies on: restricting the use of antimicrobials (five studies, suggesting that restriction policies can alter prescriber behaviour, although with limited evidence of subsequent effect on AMR); prescriber education, feedback and use of guidelines (six studies, with no clear conclusion); combination therapies (seven studies, showing the potential to lower drug-specific resistance, although for an indeterminate time period); vaccination (three studies showing cost/effectiveness). Most of these studies were: from the developed world, principally the USA; hospital-based, with few community level interventions; and concerned with effectiveness, not cost-effectiveness.

CONCLUSIONS

Overall, there is an absence of good evidence concerning what is effective, and especially cost-effective, in reducing the emergence of AMR. However, in addition to more research concerning these forms of intervention, the paper highlights four specific areas for further investigation: validating intermediate or surrogate outcome measures to enable better use to be made of the literature on intermediate measures; development and evaluation of 'macro' strategies; research into specific aspects of AMR in developing countries; and empirical and methodological research concerning the economic evaluation of interventions.

Do the research goal and databases match? A checklist for a systematic approach

To test the appropriateness of a given database for specific research questions, we designed a checklist starting with the definition of an ideal database. This ideal database contains all relevant data on patients, providers and services. It is safe and accessible, input is always accurate, continuity is guaranteed and linkage with other information is easy. Of course no such database exists. Still these features are often taken for granted, but highly influenced by organizational processes in healthcare and prioritization. Starting with the characteristics of an ideal database, one can systematically list the required aspects for research goals and compare these with the available systems. This checklist is used to address important aspects of administrative database research and ethical issues. The increasing possibility to misuse sensitive data needs to be discussed by researchers, administrators, individuals and society. This checklist can also be valuable to others to design or interpret studies based on claims databases.

Target drug programs and medication use evaluation

Target drug programs and medication use evaluations are activities that are undertaken to improve the correct use of drugs. These programs should focus on inappropriate drug use, drug use problems, optimizing use of drugs, and improving the level of patient care. To monitor the effects of the programs, several types of outcomes have been evaluated, such as economic and financial, clinical quality, quality of life, patient satisfaction, and collaborative practice. The methodology to classify and monitor drug use incorporates the classification system developed by the World Health Organization, which takes into account each drug's anatomic, therapeutic, and chemical classification. In order to avoid focusing only on drugs and drug costs in these programs, and to allow for monitoring the impact of the programs on clinical practice, linking drug data to patient data is stressed. Target drug programs improve the appropriate use of drugs, and by doing so, contribute to safe and rational use of drugs in society.

Effect of systematic review of medication by general practitioner on drug consumption among nursing-home residents

BACKGROUND

nursing-home patients usually have many medical problems and often take many drugs. They are therefore at risk from drug side effects and interactions.

AIMS

to evaluate the impact of a visit by a general practitioner and a comprehensive repeat prescribing review on the consumption of inappropriate drugs in nursing homes.

METHOD

two general practitioners made one comprehensive visit to four randomly selected nursing homes. In each home we discussed all patients in detail with a senior member of staff. We reviewed the prescribing record of each patient and stopped items if we considered them inappropriately prescribed or unnecessary.

RESULTS

repeat prescriptions were altered in 65% of patients: 51% had an item stopped and 26% had an item changed to a cheaper alternative or the dose reduced. There was a reduction in the mean number of repeat prescriptions prescribed.

CONCLUSIONS

a single visit by a general practitioner to a nursing home and a comprehensive repeat prescribing review can lead to a reduction in the number of items prescribed and to substantial savings for the health service. Further rigorous, cost-effectiveness studies are needed.