Medication Appropriateness Research Articles

Medication Appropriateness, Polypharmacy, and Drug-Drug Interactions in Ambulatory Elderly Patients with Cardiovascular Diseases at Tikur Anbessa Specialized Hospital, Ethiopia.

BackgroundAppropriate prescribing is often challenging in geriatric patients due to age-related pharmacokinetic and pharmacodynamic alterations. Elderly patients with cardiovascular diseases are frequently prescribed multiple medications. Hence, it is imperative to investigate medication appropriateness, polypharmacy, and drug-drug interactions in these groups of patients.ObjectiveTo assess medication appropriateness using the 2019 American Geriatric Society Beers and Medication Appropriateness Index criteria, polypharmacy and drug-drug interactions among elderly ambulatory patients with cardiovascular diseases at Tikur Anbessa Specialized Hospital.MethodsA hospital-based retrospective cross-sectional study was conducted among 384 elderly (60 years and older) ambulatory patients with cardiovascular diseases between May 01-August 30, 2021. Data was collected from the patient’s medical record using a data abstraction tool. The data were entered and analyzed using the SPSS program. Descriptive and logistic regression models were used to present the findings.ResultsThe most frequent diagnosis was hypertension (78.4%) followed by ischemic heart disease (31.3%). Averagely, 4.4 ± 2 medications were prescribed per patient. More than half of (53.1%) the patients received polypharmacy. According to Beer’s and medication appropriateness index criteria, over one-third (28.1%) and the majority (95.1%) of the patients were prescribed potentially inappropriate medications, respectively. In addition, 53.1% and 90.1% of patients had polypharmacy, and were exposed to potential drug-drug interactions ranging from mild to major interactions, respectively. Further, polypharmacy was significantly associated with inappropriate medication prescribing.ConclusionThe study found that more than half of the patients got one or more potentially inappropriate medications in both criteria. The medication appropriateness index tool identified more potentially inappropriate medication than the Beers criteria. In addition, more than half of the patients got polypharmacy and had potential drug-drug interactions. Further, polypharmacy was significantly associated with inappropriate medication prescriptions. These findings highlight the need for interventions to improve appropriate prescribing practice among elderly patients.

Potentially inappropriate prescribing in older adults with cancer receiving specialist palliative care: a retrospective analysis of medical records

Abstract Introduction Older adults (≥65 years) with cancer often have existing comorbidities requiring multiple medications (1). Optimising medications in palliative care requires clinicians to consider whether each medication is appropriate in relation to patients’ context, treatment goals and life expectancy. The reported prevalence of potentially inappropriate prescribing (PIP) in general palliative care settings ranges from 15 to 92% (2). However, the application of tools that are specific to populations with limited life expectancy has been lacking in previous research (2). Aim To describe and assess the appropriateness of prescribing practices for older adults with cancer in the last seven days of life in an inpatient palliative care setting. Methods This was a retrospective observational study of medical records for older adults (≥65 years) with cancer who received inpatient specialist palliative care services in a hospice setting in Ireland in the final week of life over a two-year period. Data were extracted relating to patient demographics and prescribed medications using an electronic pro-forma. Medication appropriateness was assessed using the following tools: STOPPFrail (Version 2; consists of 25 deprescribing criteria for use in frail older adults with limited life expectancy), the OncPal deprescribing guideline (consists of eight medication classes for deprescribing in palliative patients with cancer) and criteria for identifying Potentially Inappropriate Prescribing in older adults with Cancer receiving Palliative Care (PIP-CPC; consists of 24 criteria for identifying potentially inappropriate prescribing of medications for symptomatic relief in older adults with cancer). These tools were retrospectively applied to the extracted data by the lead researcher. Data were analysed (Stata, Version 15) using descriptive statistics, including means (standard deviation, SD), medians (inter-quartile range, IQR) and frequency and percentage. Results One hundred and eighty older adults with cancer were included in this study. The majority were male (60.6%) and the median age was 74 years (range 65-94 years). The most common primary cancer diagnoses affected the digestive organs (31.7%), respiratory and intrathoracic organs (18.8%) and male genital organs (10%). Almost all patients (94.5%) had at least one comorbid condition (median 3, IQR 2-5). The median number of medications increased from five (IQR 3-7) seven days before death, to 11 medications on the day of death (IQR 9-15). The most prevalent drug classes were opioids, antipsychotics, antispasmodics, benzodiazepines and paracetamol. More than half of patients had at least one PIP identified by the tools (n=97, 53.9%). The identified prevalence of PIP per tool in the patient cohort was: STOPPFrail V2 (20.6%), OncPal (12.7%), PIP-CPC (32.8%). However, several criteria could not be applied due to the absence of clinical information. Conclusion This study highlights that the number of medications prescribed to older adults with cancer increased as time to death approached, and that more than half of patients received at least one medication which was considered potentially inappropriate during their last week of life. The absence of electronic prescribing records and retrospective nature of the study limited the applicability of some criteria. Interventions are needed to optimise medication prescribing and use in palliative care settings. References (1) Sharma M, Loh KP, Nightingale G, Mohile SG, Holmes HM. Polypharmacy and potentially inappropriate medication use in geriatric oncology. J Geriatr Oncol. 2016;7(5):346-53. (2) Cadogan CA, Murphy M, Boland M, Bennett K, McLean S, Hughes C. Prescribing practices, patterns, and potential harms in patients receiving palliative care: A systematic scoping review. Expl Res Clinic Soc Pharm. 2021;1(3):100050.

Clinical pharmacist evaluation of medication inappropriateness in a geriatric hospital

Potentially inappropriate prescribing (PIP) in elderly patients is highly prevalent and is associated with an increased risk of adverse drug events, morbidity, and mortality. Accordingly, this study aimed to evaluate the PIP encountered in a geriatric setting and to highlight the role of the clinical pharmacists in this context. A retrospective observational study was conducted during March and April 2018 in an elderly daycare in Beirut area. Patients' files were screened to evaluate each patient's clinical status using a developed tool that included the Medication Appropriateness Index. Statistical analysis was performed using SPSS (version 20). The results were considered significant at P<0.05. The results showed a high incidence of hypertension, schizophrenia, and diabetes among the studied sample with percentages of 41.7%, 35.3%, and 26.6%, respectively. As for the PIP, drug therapy duration and cost were the most encountered problems followed by medication indication, dosage, and drug-drug interaction. Moreover, PIP increased with the number of prescribed medications (P<0.05). Proton pump inhibitors, low dose aspirin, and antidiabetic medications' users had a significantly higher Medication Appropriateness Index score as compared to non-users. As a conclusion, suboptimal care is proved in this study empowering the collaboration between clinical pharmacists and physicians in minimizing the PIPs in elderly daycares.

Structured Interventions to Optimize Polypharmacy in Psychiatric Treatment and Nursing Homes: A Systematic Review.

Polypharmacy is a common clinical issue. It increases in prevalence with older age and comorbidities of patients and has been recognized as a major cause for treatment complications. In psychiatry, polypharmacy is also commonly seen in younger patients and can lead to reduced treatment satisfaction and incompliance. A variety of structured polypharmacy interventions have been investigated. This systematic review provides a comprehensive overview of the field and identifies research gaps. We conducted a systematic review on structured interventions aimed at optimizing polypharmacy of psychotropic and somatic medication in psychiatric inpatient and outpatient settings as well as nursing homes. A search protocol was registered with PROSPERO (CRD42020187304). Data were synthesized narratively. Fifty-eight studies with a total of 30,554 participants met the inclusion criteria. Interventions were most commonly guided by self-developed or national guidelines, drug assessment scores, and lists of potentially inappropriate medications. Tools to identify underprescribing were less commonly used. Most frequently reported outcomes were quantitative drug-related measures; clinical outcomes such as falls, hospital admission, cognitive status, and neuropsychiatric symptom severity were reported less commonly. Reduction of polypharmacy and improvement of medication appropriateness were shown by most studies. Improvement of drug-related outcomes can be achieved by interventions such as individualized medication review and educational approaches in psychiatric settings and nursing homes. Changes in clinical outcomes, however, are often nonsubstantial and generally underreported. Patient selection and intervention procedures are highly heterogeneous. Future investigations should establish standards in intervention procedures, identify and assess patient-relevant outcome measures, and consider long-term follow-up assessments.

Assessment of the Appropriateness of Prescriptions in a Geriatric Outpatient Clinic

Appropriateness of the geriatric outpatients' medications needs special attention due to risks of falls, fractures, depression, hospital admissions and mortality. This study aimed to identify current practice on medication usage by using the 2nd version of "Screening Tool of Older People's Potentially Inappropriate Prescriptions" and "Screening Tool to Alert Doctors to Right Treatment" criteria and affecting factors for the Turkish population. This cross-sectional study was conducted between September 2015 and May 2016 at a university research and training hospital's geriatric outpatient clinic. Patients aged ≥65 years and had ≥5 different prescribed medications (considered as polypharmacy) were recruited. The main outcome measure was the frequency of inappropriate medications identified by clinical pharmacist in the outpatient clinic according to the 2nd version of the criterion sets. A total of 700 patients (440 female) were included in this study. According to the results, 316 patients (45.1%) with at least one potentially inappropriate medication and 668 patients (98.3%) with at least one potential prescription omission were detected. Potentially inappropriate medications were associated with the number of medications used per patient [odds ratio (OR): 1.20 p<0.001], living alone (OR: 4.12 p=0.02), and having congestive heart failure (OR: 2.41 p<0.001). Twenty-two (27.5%) out of 80 criteria and 4 (11.8%) out of 34 criteria did not apply to the study population. Detecting inappropriate medications to maintain treatment effectiveness is necessary to provide the optimum therapy. Despite the awareness of polypharmacy in outpatient clinics it is still one of the important causes of inappropriate prescription followed by vaccination rate. Therefore, with the contribution of clinical pharmacist using these available criteria is important, moreover modification of these criteria according to the local needs to be considered to achieve better outcomes.

Comparison of the prevalence and nature of potentially inappropriate medication use in geriatric outpatients between tertiary and community healthcare settings: a multicenter cross-sectional study.

Background Geriatric outpatients with polypharmacy have a high risk of potentially inappropriate medication (PIM) use. Aim To identify differences in both prevalence and patterns of PIMs and drug-related problems (DRPs) in older outpatients who visited the tertiary hospitals (THs) and community health centers (CHCs) and analyze associated factors. Method A prospective cross-sectional study was conducted in five THs and five CHCs from September 2018 to November 2019 in Beijing, China. Data were collected from outpatients aged ≥ 65years with chronic diseases and polypharmacy. PIMs were evaluated using the 2015 and 2019 Beers Criteria and the Screening Tool of Older Persons' Prescriptions (STOPP) criteria. DRPs were classified using the Helper-Strand DRP Classification. The prevalence and types of PIMs and DRPs were compared, and relevant factors were analyzed. Results The prevalence of PIMs based on the 2015 Beers Criteria was higher in patients from the THs, while PIMs based on the 2019 Beers Criteria did not show a significant difference. PIM prevalence based on STOPP Criteria and DRPs was higher in patients from CHCs. Visiting CHCs was an independent factor of PIMs based on the 2015 Beers Criteria (OR 0.774, 95% CI 0.604-0.992) and the STOPP Criteria (OR 2.427, 95% CI 1.883-3.128), and DRPs (OR 3.612, 95% CI 2.682-4.865). Conclusion Differences in PIM and DRP might be due to the patients and settings. Specific measures to improve the appropriateness of medications in both settings should be used.

Older Patient and Surrogate Attitudes Toward Deprescribing During the Transition From Acute to Post-Acute Care.

Attitudes toward deprescribing among hospitalized older patients transitioning to post-acute care in the United States are less known. This study describes older patients' and their surrogate's attitudes using all items of the Patient Attitudes Toward Deprescribing (PATD) questionnaire and compares perceived pill burden to the actual count of total daily pills and potentially inappropriate medications (PIMs). Overall, 93% of participants were willing to deprescribe if their physician agreed. Compared to patients, surrogates had 64% reduced odds (95% CI: 0.18-0.74) of believing that all of the care recipient's medications were necessary and 61% reduced odds (95% CI: 0.17-0.88) of attributing cost as a factor in deprescribing. Perceptions of medication burden were associated with patients' total daily pills (median 16) and PIMS (median 7), yet 61% agreed that all their medicines were necessary. Patients and surrogates typically express a willingness to deprescribe but have differing perceptions of medication appropriateness.

Improving appropriate use of anticoagulants in hospitalised patients: A pharmacist-led Check of Medication Appropriateness intervention.

Inappropriate anticoagulant use increases the risk of bleeding and thrombotic events. We implemented clinical decision rules to promote judicious medication use, as part of the 'Check of Medication Appropriateness' (CMA). The CMA is a pharmacist-led review service, targeting potentially inappropriate prescriptions (PIPs). In this analysis, we aimed to evaluate the impact of the CMA on anticoagulant prescribing. The number of anticoagulant-related PIPs was evaluated before and after implementation of the intervention in a quasi-experimental interrupted time series analysis. The pre-implementation cohort received usual care. The anticoagulant-focused CMA, comprising 13 clinical rules pertaining to anticoagulation therapies, was implemented in the post-implementation cohort. Segmented regression analysis was used to assess the impact of the intervention on the number of residual PIPs. A residual PIP was defined as a PIP which persisted up to 48 hours after the CMA intervention. Total number of recommendations and acceptance rate were documented for the 2-year post-implementation period. Pre-implementation, we observed 501 PIPs in 466 inpatients on 36 days, with a median proportion of 78.5% (range: 46.2%-100%) residual PIPs per day. Post-implementation, 538 PIPs were detected in 485 patients over the same number of days. The CMA intervention reduced the median proportion to 18.2% (range: 0-100%) per day. The effect coincided with an immediate relative reduction of 70% (95%CI 0.19-0.46) in anticoagulant-related residual PIPs. Post-implementation, 2778 recommendations were provided and 75.1% were accepted. Our CMA approach significantly reduced anticoagulant-related PIPs. Implementing a pharmacist-led intervention, based on clinical rules, may support safer prescribing of anticoagulants.

Types of screening tools used to identify potential inappropriate medication in the geriatric

Inappropriate intake of medications can increase the risk of many morbidities and mortality among the geriatric population. Therefore, assessment of drug underuse, overuse, and inappropriate use has been an area of interest across the different investigations, and according to which, different screening tools were developed to identify these problems and enhance the quality of care to these patients. In the present study, we aim comprehensively discuss the different types of currently reported screening tools that can identify potentially inappropriate medication in the geriatric population. Studies show that assess, review, minimize, optimize, reassess (ARMOR), and medication appropriateness index (MAI) tools are the most commonly reported for this purpose to appropriately evaluate drug administration practices. However, they are time-consuming and need adequately trained personnel, which might not be available within the different settings. Accordingly, we suggest that more than one tool should be used, as we have reviewed all the advantages and disadvantages of the modality within the current study, to adequately facilitate and make the process of evaluation easy and enhance the quality of care for the geriatric population.

Influence of Clinical Pharmacist's Interventions on Clinical Outcomes of Patients With Pneumonia in the Emergency Department of Tertiary Care Healthcare Setting

Abstract The aims of the study were to evaluate the services of emergency medicine pharmacists in patient care and to assess the need to implement clinical pharmacy practice in emergency department. This study analyzed English language articles, which were identified and studied according to the inclusion criteria. The articles were identified from different databases from 1982 to 2020. Two hundred fifty articles were primarily searched for inclusion criteria and a preferred reporting items for systematic reviews and meta-analyses diagram was created to describe qualitative analysis. Quality assessment of the studies was done using the strengthening the reporting of observational studies in epidemiology checklist. A total of 9 studies were quality assessed and included for evidence synthesis. Four studies showed a significant reduction in readmission rate P &lt; 0.0001 with an odds ratio (OR) of 1.6341 for the patients with the pharmacist care group. Patient's in-hospital mortality and appropriateness of medications had an OR of 3.2196 (P = 0.0353) and 0.1444 (P = 0.0001), respectively. The pooled OR (n = 1026) in 4 studies was 1.4534 (95% confidence interval = 0.2844–0.7292) in antibiotic guidelines for pharmacist interventions. In addition, evidence showed a statistically significant reduction in hospital revisits (P &lt; 0.00001, OR = 2.05, 95% confidence interval = 1.76–2.39) with the pharmacist in the emergency department compared with no pharmacist. The meta-analysis concluded that clinical pharmacy interventions in the ambulatory setting had a positive impact on clinical outcomes related to disease management, medication optimization, ensuring patient safety, and providing quality of care. Studies identified did not evaluate the impact of pharmacists on cost-effectiveness, which is a useful direction for future study.

Influence of a ward-based pharmacist on the medication quality of geriatric inpatients: a before\u2013after study

Background Despite several international studies demonstrating that ward-based pharmacists improve medication quality, ward pharmacists are not generally established in German hospitals. Aim We assessed the effect of a ward-based clinical pharmacist on the medication quality of geriatric inpatients in a German university hospital. Method The before-after study with a historic control group was conducted on the geriatric ward. During the control phase, patients received standard care without the involvement of a pharmacist. The intervention consisted of a clinical pharmacist providing pharmaceutical care from admission to discharge. Medication quality was measured on admission and discharge using the Medication Appropriateness Index (MAI). A linear regression analysis was conducted to calculate the influence of the intervention on the MAI. Results Patients in the intervention group (n = 152, mean 83 years) were older and took more drugs at admission compared to the control group (n = 159, 81 years). For both groups, the MAI per patient improved significantly from admission to discharge. Although the intervention did not influence the summated MAI score per patient, the intervention significantly reduced the MAI criteria Dosage (p = 0.006), Correct Directions (p = 0.016) and Practical Directions (p = 0.004) as well as the proportion of overall inappropriate MAI ratings (at least 1 of 9 criteria inappropriate) (p = 0.015). Conclusion Although medication quality was already high in the control group, a ward-based clinical pharmacist could contribute meaningfully to the medication quality on an acute geriatric ward.

Cost-effectiveness of check of medication appropriateness: methodological approach.

Background Adverse drug events following inappropriate prescribing in the hospital cause a substantial and avoidable medical and economic burden to hospitals, payers and patients alike. A clinical rule-based, pharmacist-led medication-review service, the 'Check of Medication Appropriateness' (CMA) was implemented in the University Hospitals Leuven. The CMA is shown to be effective in reducing potentially inappropriate prescriptions. Aim This study investigated whether this centralised clinical pharmacy service is cost-effective. Method We performed a cost-effectiveness analysis of three clinical rules of the CMA, targeting adverse drug events at three levels of severity: A) persistent opioid-induced constipation, B) ketorolac-induced gastrointestinal bleeding and C) drug-induced Torsade de Pointes. A decision tree was developed for each clinical rule. Both intervention costs as well as total costs associated with the occurrence of an adverse drug event were considered. The outcomes were reported in the form of an incremental cost-effectiveness ratio, expressed as an incremental cost per adverse drug event avoided. Results Applying clinical rules to avoid persistent opioid-induced constipation and ketorolac-induced gastrointestinal bleeding were cost-saving. Implementation of a medication check to avoid drug-induced Torsade de Pointes costed €8,846 per Torsade de Pointes avoided. Conclusion Our study provides strong indications that the CMA is worth its investment for clinical rules targeting (very) common adverse drug events, that can be avoided with limited expenses. Further research is required to assess the full CMA. The proposed model may be useful to perform cost-effectiveness analyses of other centralised clinical pharmacy services targeting inappropriate prescribing, at the level of individual adverse drug events.

The impact of medication reconciliation and review in patients using oral chemotherapy.

Verifying and reviewing a patients medication list can detect and reduce drug related problems (DRPs). However little is known about its effects in patients using oral chemotherapy. The aim of this study was to evaluate the impact of these interventions and the adapted Medication Appropriateness Index (aMAI) as a tool to carry out a medication review. A case-control study was carried out. The hospital pharmacist performed a medication reconciliation and medication review, using the aMAI tool, in 54 patients starting oral chemotherapy. Discrepancies, DRP's and associated pharmaceutical interventions were reported via the electronic patient record (EPR). After one month, the acceptance rate was measured and the aMAI score recalculated. Kappa statistics were used to test intra- and interrater reliability. The medication list in the EPR was incomplete in 74,1% of patients with an average of 2.4 errors per patient. After medication review, the aMAI score decreased significantly from 7.2 to 5.4 (SD = 4,7; p <0.001), indicating an improvement in the appropriateness of the drugs patients were taking. Acceptance rates were 41,4% and 53,2% for advices resulting from medication reconciliation and medication review respectively. Kappa values of 0.90 and 0.70 respectively indicate good intra- and interrater reliability. The study shows that medication reconciliation can identify and address discrepancies. Furthermore, medication review seems to ensure that drug treatment better meets patient needs. The aMAI was a reliable tool. Future research will have to determine the clinical relevance of these interventions.

Polypharmacy among Geriatric People: Community Pharmacy based study in Bhaktapur district, Nepal

Background and Objectives: Polypharmacy among geriatric group is a major problem. Risk of an adverse effect increases exponentially with number of drugs used, partly because multiple drug therapy reflects the presence of many disease. The aim of this study was to assess the polypharmacy among geriatric people visiting community pharmacy of Bhaktapur district. Material and Methods: A prospective cross sectional study was conducted among 114 geriatric people (&gt;60Years). The data collected from patients included: Socio-demographic details as age, gender, comorbid diseases, medication history. In this study, polypharmacy was considered as having &gt; 5 medications per prescription. Medication appropriateness for patient was analyzed by applying, screening tool to alert to right treatment (START) and screening tool of older person’s prescription (STOPP) criteria. Results: Out of 114 geriatric patients 57.9% were male and 42.1% were female. Number of drugs prescribed to the patients were 634 with an average of 5.56 drugs per person. Cardiovascular drugs accounted for most (33.4%) followed by gastrointestinal tract drugs (11.5%), anti-diabetic drugs (10.89%). Over the counter drugs (OTC) were more common among geriatric, mainly proton pump inhibitor and non-steroid anti-inflammatory drugs. Depending upon the number of drugs, five and more than five drugs were consumed by single patients (n=73). Poly pharmacy can be seen among 64.03% geriatric patients. Potentially inappropriate medications were prescribed to 54 patients, overprescribing to38.5% and omission to 8.7% depending upon screening tool to alert to right treatment (START) and screening tool of older person’s prescription (STOPP) START. Conclusions: In this study polypharmacy was more common among geriatric group. Geriatric group were receiving around 64.03% polypharmacy, 47.3% inappropriate prescription and 33.3% using over the counter drugs.

Does targeted medication therapy management increase cognitive reserve? Results from the INtervention for Cognitive Reserve Enhancement in delaying the onset of Alzheimer’s Symptomatic Expression (INCREASE) study

AbstractBackgroundThe INCREASE study is based on the hypothesis that targeted reductions in inappropriate medication use will bolster cognitive reserve (CR) in individuals at risk for Alzheimer’s Disease (AD), delaying the onset of clinical symptoms, and reducing the prevalence and duration of symptomatic disease.MethodWe conducted a 12‐month, randomized controlled trial to: (1) evaluate the impact of a medication therapy management (MTM) intervention in reducing unnecessary and inappropriate medication use in community‐dwelling, non‐demented older adults, (2) determine the impact of preclinical amyloid burden on CR deficits and decline to evaluate efficacy of delaying symptomatic disease progression in preclinical AD (pAD). Primary outcome measures included pre‐ to post‐intervention measures of: (1) medication use ( Medication Appropriateness Index, MAI); 2) CR Change Score (CRCS) defined as the difference in the scopolamine‐challenged vs unchallenged neurocognitive scores (Trail Making Tests A and B; California Verbal Learning Test, CVLT) . For the second aim, we used baseline determination of total brain relative standardized uptake values for amyloid β‐ positron emission tomography to examine the relative impact of pAD pathology on CRCS at baseline and over time in the placebo group, as well as the interplay of pAD pathology with inappropriate medication use at baseline and optimization of medication use after one year.ResultWe randomized 90 community‐dwelling participants (N=104 screened for eligibility). Mean (SD) age at enrollment was 73.9 (6.0), with N=57 (63%) female, and N=10 (10%) non‐white participants. At baseline, participants reported using a mean (SD) of 12.72 (4.87) medications, with 2.37 (1.29) potentially inappropriate (Beers 2015 criteria). In preliminary analyses, participants with pAD (N=29) had lower baseline CR for tests of executive function (mean (SD) change score ‐0.17 (1.37) and ‐0.13 (1.10) [p=0.90] for pAD and non‐pAD respectively) and total learning (‐0.85 (0.84) and ‐0.29 (0.83) [p=0.01]). At the time of abstract submission, we anticipate that data collection will be finalized by March 31, 2021 and we are planning to present main study results during AAIC 2021.ConclusionThe results of the INCREASE study will provide insights on the impact of optimizing medication use to bolster CR, as well as the interaction with preclinical amyloid burden.

Polypharmacy Management in the Older Adults: A Scoping Review of Available Interventions.

Background: Polypharmacy paves the way for non-adherence, adverse drug reactions, negative health outcomes, increased use of healthcare services and rising costs. Since it is most prevalent in the older adults, there is an urgent need for introducing effective strategies to prevent and manage the problem in this age group. Purpose: To perform a scoping review critically analysing the available literature referring to the issue of polypharmacy management in the older adults and provide narrative summary. Data sources: Articles published between January 2010–March 2018 indexed in CINHAL, EMBASE and PubMed addressing polypharmacy management in the older adults. Results: Our search identified 49 papers. Among the identified interventions, the most often recommended ones involved various types of drug reviews based on either implicit or explicit criteria. Implicit criteria-based approaches are used infrequently due to their subjectivity, and limited implementability. Most of the publications advocate the use of explicit criteria, such as e.g. STOPP/START, Beers and Medication Appropriateness Index (MAI). However, their applicability is also limited due to long lists of potentially inappropriate medications covered. To overcome this obstacle, such instruments are often embedded in computerised clinical decision support systems. Conclusion: Multiple approaches towards polypharmacy management are advised in current literature. They vary in terms of their complexity, applicability and usability, and no “gold standard” is identifiable. For practical reasons, explicit criteria-based drug reviews seem to be advisable. Having in mind that in general, polypharmacy management in the older adults is underused, both individual stakeholders, as well as policymakers should strengthen their efforts to promote these activities more strongly.

173 SYSTEMATIC REVIEW-BASED FINDINGS TO GUIDE THE DEVELOPMENT AND REPORTING OF CONSENSUS-BASED CRITERIA FOR INAPPROPRIATE PRESCRIBING IN OLDER ADULTS

Abstract Background Formal consensus development methods are widely employed to develop inappropriate medication assessment criteria for older adults. However, standards for conducting and reporting these methods are lacking. This study aims to summarise findings on consensus attainment across published explicit criteria. Methods A systematic literature review of criteria for assessing inappropriate medications in older adults was conducted in PubMed, CINAHL, EMBASE and Scopus (1991 to 2020). Search terms pertained to the concepts of inappropriate prescribing, criteria development/validation, and older patients (aged 65 years or more). Articles were included for the current subanalysis if they represented a consensus based explicit list, assessing appropriateness of medications in older adults. Results From 73 tools identified in the systematic review, 58 tools (79%) had been developed and/or validated by formal consensus methods. 51 criteria sets were reported as having been developed using Delphi (n = 30) and modified Delphi (n = 21) methods. However, most (29/30) of the reported Delphi methodologies had actually been modified by introducing an initial literature-based questionnaire. The criteria for achieving consensus between experts were pre-specified for 42 criteria sets, while the remainder did not report or prespecify consensus definitions. Where available, consensus definitions varied considerably. Arbitrary levels of proximity to a central tendency (e.g. mean +/− 95% confidence interval, median +/− interquartile range) defined consensus in 22 criteria. Seven more criteria followed the RAND/UCLA consensus definition (i.e. three-point region containing the median) (1). Only one set addressed consistency of agreement between rounds. Likert scales or categories for ranking ranged from three-point to 100-point scales. Conclusion The development and reporting of formal consensus-based criteria varies substantially, particularly in distinguishing between Delphi methods and their modifications. This highlights the need for standards for conducting and reporting consensus attainment. 1. Fitch K, Bernstein SJ, Aguilar MD, et al. The RAND/UCLA Appropriateness Method User’s Manual: RAND Corporation, 2001.

Independent nurse medication provision: A mixed method study assessing impact on patients' experience, processes, and costs in sexual health clinics.

Local services in the United Kingdom National Health Service enable autonomous provision of medication by nurses, supporting individual nurses to gain prescribing qualifications or by introducing local patient group directions. To compare nurse prescribing and patient group directions about clinic processes, patients' experiences, and costs from the perspectives of providers, nurses, and patients. Mixed methods, comparative case study in five urban sexual health services in the United Kingdom. Data were collected from nurse prescribers, patient group direction users and their patients July 2015 to December 2016. Nurse questionnaires explored training (funding and methods). Nurses recorded consultation durations and support from other professionals in clinical diaries. Patient notes were reviewed to explore medication provision, appropriateness and safety; errors were judged by an expert panel. Patients completed satisfaction questionnaires about consultations and information about medications. Twenty-eight nurse prescribers and 67 patient group directions users took part; records of 1682 consultations were reviewed, with 1357 medications prescribed and 98.5% therapeutically appropriate. Most medication decisions were deemed safe (96.0% nurse prescribers, 98.7% patient group directions, Fisher's Exact Test p=.55). Errors were predominantly minor (55.6% nurse prescribers, 62.4% patient group directions) and related to documentation omissions (78.0%); no patients were harmed. Consultation durations and unplanned re-consultations were similar for both groups. Nurse prescribers sought assistance from colleagues less frequently (chi-squared=46.748, df=1, p<.001) but spent longer discussing cases. Nurse prescribing training required more resources from providers and nurses, compared with patient group directions. Nurse prescribers were on higher salary bands. Patient satisfaction was high in both groups (>96%). Nurse medication provision by both nurse prescribers and patient group direction users is safe and associated with high patient satisfaction; effects on clinic processes and costs are similar. Undertaking the prescribing qualification involves independent study but may bring longer-term career progression to nurses.

The effectiveness of Check of Medication Appropriateness for antimicrobial stewardship: an interrupted time series analysis.

Inappropriate prescribing of antimicrobials in hospitals contributes to the emergence of resistance and adverse drug events. To support antimicrobial stewardship (AMS), clinical decision rules focusing on antimicrobial therapy were implemented in the 'Check of Medication Appropriateness' (CMA). The CMA is a hospital-wide pharmacist-led medication review service consisting of a clinical rule-based screening for potentially inappropriate prescriptions (PIPs). We aimed to investigate the impact of the CMA on antimicrobial prescribing. An interrupted time series study was performed at the University Hospitals Leuven. The pre-implementation cohort was exposed to standard-of-care AMS. Afterwards, an AMS-focused CMA comprising 41 specific clinical rules, targeting six AMS objectives, was implemented in the post-implementation period. A regression model was used to assess the impact of the intervention on the number of AMS-related residual PIPs between both periods. The total number of recommendations and acceptance rate was recorded for the 2 year post-implementation period. Pre-implementation, a median proportion of 75% (range: 33%-100%) residual PIPs per day was observed. After the CMA intervention, the proportion was reduced to 8% (range: 0%-33%) per day. Use of clinical rules resulted in an immediate relative reduction of 86.70% (P < 0.0001) in AMS-related residual PIPs. No significant underlying time trends were observed during the study period. Post-implementation, 2790 recommendations were provided of which 81.32% were accepted. We proved that the CMA approach reduced the number of AMS-related residual PIPs in a highly significant and sustained manner, with the potential to further expand the service to other AMS objectives.

Stratifying patients for polypharmacy interventions: The case for a new biomarker?

Stratifying patients for polypharmacy interventions: The case for a new biomarker?