Why do family doctors prescribe potentially inappropriate medication to elderly patients?

Contexts and mechanisms relevant to General Practitioner (GP) based interventions to reduce adverse drug events (ADE) in community dwelling older adults: a rapid realist review

Background

Older adults in Ireland are at increased risk of adverse drug events (ADE) due, in part, to increasing rates of polypharmacy. Interventions to reduce ADE in community dwelling older adults (CDOA) have had limited success, therefore, new approaches are required.A realist review uses a different lens to examine why and how interventions were supposed to work rather than if, they worked. A rapid realist review (RRR) is a more focused and accelerated version.The aim of this RRR is to identify and examine the contexts and mechanisms that play a role in the outcomes relevant to reducing ADE in CDOA in the GP setting that could inform the development of interventions in Ireland.

Methods

Six candidate theories (CT) were developed, based on knowledge of the field and recent literature, in relation to how interventions are expected to work. These formed the search strategy. Eighty full texts from 633 abstracts were reviewed, of which 27 were included. Snowballing added a further five articles, relevant policy documents increased the total number to 45. Data were extracted relevant to the theories under iteratively developed sub-themes using NVivo software.

Results

Of the six theories, three theories, relating to GP engagement in interventions, relevance of health policy documents for older adults, and shared decision-making, provided data to guide future interventions to reduce ADEs for CDOA in an Irish setting. There was insufficient data for two theories, a third was rejected as existing barriers in the Irish setting made it impractical to use.

Conclusions

To improve the success of Irish GP based interventions to reduce ADEs for CDOA, interventions must be relevant and easily applied in practice, supported by national policy and be adequately resourced. Future research is required to test our theories within a newly developed intervention.

Regional variation of potentially inappropriate medication use and associated factors among older adults: A nationwide register study

BACKGROUND

Certain medications should be used with caution in older persons, which challenges rational prescribing. Potentially inappropriate medications (PIMs) are defined as medicines whose potential risk of harm typically outweighs the clinical benefits in geriatric population. Earlier studies have found regional differences in PIM use, but the factors underlying this phenomenon are unclear.

OBJECTIVE

To compare prescription PIM prevalence among Finnish hospital districts and determine which population characteristics and factors related to social and health care are associated with regional variation.

METHODS

This nationwide register study was based on the Prescription Centre data on all people aged ≥75 years in 2017-2019. Hospital district (n = 20) characteristics were drawn from the Finnish Institute for Health and Welfare's, Finnish Medical Association's, and Finnish Medicines Agency's publicly open data. PIMs were defined according to the Finnish Meds75+ database. A linear mixed-effect model was used to analyze potential associations of regional characteristics with PIM prevalence.

RESULTS

Prevalence of PIMs varied between 16.4% and 24.8% across regions. The highest prevalence was observed in the southern regions, while the lowest prevalence was on the west coast. Hospital district characteristics associated with higher PIM prevalence were higher share of population living alone, with excessive polypharmacy, or assessed using the Resident Assessment Instrument, shortage of general practitioners in municipal health centers, and low share of home care personnel. Waiting time in health care or share of population with morbidities were not associated with PIM use. Of the total variance in PIM prevalence, 86% was explained by group-level factors related to hospital districts. The regional variables explained 75% of this hospital-district-level variation.

CONCLUSIONS

PIM prevalence varied significantly across hospital districts. Findings suggest that higher PIM prevalence may be related to challenges in the continuity of care rather than differences in health care accessibility or share of the population with morbidities.

Understanding the medication safety challenges for patients with mental illness in primary care: a scoping review

BACKGROUND

Mental illness and medication safety are key priorities for healthcare systems around the world. Despite most patients with mental illness being treated exclusively in primary care, our understanding of medication safety challenges in this setting is fragmented.

METHOD

Six electronic databases were searched between January 2000-January 2023. Google Scholar and reference lists of relevant/included studies were also screened for studies. Included studies reported data on epidemiology, aetiology, or interventions related to medication safety for patients with mental illness in primary care. Medication safety challenges were defined using the drug-related problems (DRPs) categorisation.

RESULTS

Seventy-nine studies were included with 77 (97.5%) reporting on epidemiology, 25 (31.6%) on aetiology, and 18 (22.8%) evaluated an intervention. Studies most commonly (33/79, 41.8%) originated from the United States of America (USA) with the most investigated DRP being non-adherence (62/79, 78.5%). General practice was the most common study setting (31/79, 39.2%) and patients with depression were a common focus (48/79, 60.8%). Aetiological data was presented as either causal (15/25, 60.0%) or as risk factors (10/25, 40.0%). Prescriber-related risk factors/causes were reported in 8/25 (32.0%) studies and patient-related risk factors/causes in 23/25 (92.0%) studies. Interventions to improve adherence rates (11/18, 61.1%) were the most evaluated. Specialist pharmacists provided the majority of interventions (10/18, 55.6%) with eight of these studies involving a medication review/monitoring service. All 18 interventions reported positive improvements on some medication safety outcomes but 6/18 reported little difference between groups for certain medication safety measures.

CONCLUSION

Patients with mental illness are at risk of a variety of DRPs in primary care. However, to date, available research exploring DRPs has focused attention on non-adherence and potential prescribing safety issues in older patients with dementia. Our findings highlight the need for further research on the causes of preventable medication incidents and targeted interventions to improve medication safety for patients with mental illness in primary care.

Potentially Inappropriate Medication Use in Community-Dwelling Older Adults Living with Dementia

Background: The Beers Criteria identifies potentially inappropriate medications (PIMs) that should be avoided in older adults living with dementia. Objective: The aim of this study was to provide estimates of the prevalence and persistence of PIM use among community-dwelling older adults living with dementia in 2011-2017. Methods: Medicare claims data were used to create an analytic dataset spanning from 2011 to 2017. The analysis included community-dwelling Medicare fee-for-service beneficiaries aged 65 and older who were enrolled in Medicare Part D plans, had diagnosis for dementia, and were alive for at least one calendar year. Dementia status was determined using Medicare Chronic Conditions Date Warehouse (CCW) Chronic Condition categories and Charlson Comorbidity Index. PIM use was defined as 2 or more prescription fills with at least 90 days of total days-supply in a calendar year. Descriptive statistics were used to report the prevalence and persistence of PIM use. Results: Of 1.6 million person-year observations included in the sample, 32.7% used one or more PIMs during a calendar year in 2011-2017. Breakdown by drug classes showed that 14.9% of the sample used anticholinergics, 14.0% used benzodiazepines, and 11.0% used antipsychotics. Conditional on any use, mean annual days-supply for all PIMs was 270.6 days (SD = 102.7). The mean annual days-supply for antipsychotic use was 302.7 days (SD = 131.2). Conclusion: Significant proportion of community-dwelling older adults with dementia used one or more PIMs, often for extended periods of time. The antipsychotic use in the community-dwelling older adults with dementia remains as a significant problem.

A GP's clinical reasoning in the context of multimorbidity: beyond the perception of an intuitive approach

INTRODUCTION

GP's clinical reasoning processes in the context of patients suffering from multimorbidity are often a process which remains implicit. Therefore, the goal of this case study analysis is to gain a better understanding of the processes at play in the management of patients suffering from multimorbidity.

METHODS

A case study analysis, using a qualitative thematic analysis was conducted. This case follows a 54-year-old woman who has been under the care of her GP for almost 10 years and suffers from a number of chronic conditions. The clinical reasoning of an experienced GP who can explicitly unfold his processes was chosen for this case analysis.

RESULTS

Four main themes emerged from this case analysis: The different roles that GPs have to manage; the GP's cognitive flexibility and continual adaptation of their clinical reasoning processes, the patient's empowerment, and the challenges related to the collaboration with specialists and healthcare professionals.

CONCLUSION

This could help GPs gain a clearer understanding of their clinical reasoning processes and motivate them to communicate their findings with others during clinical supervision or teaching. Furthermore, this may emphasize the importance of valuing the role of the primary care physician in the management of multimorbid patients.

Beers criteria and potentially inappropriate medications in elderly: awareness, practice, knowledge and barriers among community pharmacists in Nigeria

Background

Potential inappropriate medications (PIMs) used in the elderly are an avoidable source of disease and death. Beers Criteria is among the commonly used measures that document PIMs. Community pharmacists’ knowledge on PIMs and existing criteria are essential to moderate the use of PIMs which would enhance overall health outcomes and costs. This study investigates awareness, knowledge, practice, and barriers of PIMs among community pharmacists in Ibadan, Nigeria.

Methods

A cross-sectional study was carried out on 109 community pharmacists with the use of a self-administered questionnaire. Nine clinical vignettes based on the 2019 Beers Criteria were used to evaluate PIMs knowledge. Practice behavior regarding elderly clients was evaluated using a 5-point Likert scale with six items. Data were summarized by descriptive and inferential statistics.

Results

Respondents who knew guidelines that listed specific PIMs were (49; 47.1%), and of these, (21; 42.9%) were aware of Beers Criteria. From all the respondents, only 45 (41.3%) demonstrated good knowledge of Beers Criteria, while 82 (75.2%) narrated good practice when dealing with elderly clients in terms of asking suitable questions and contemplating their ages while dispensing medications. Major barrier identified was lack of knowledge of Beers Criteria (80; 73.4%). Pharmacists who were aware of Beers Criteria statistically had better knowledge than others (p = 0.003).

Conclusion

Beers Criteria awareness among community pharmacists is sub-optimal in Ibadan, Nigeria. Although practice when dealing with elderly customers was satisfactory, the knowledge was unsatisfactory. This underscores the need to intensify the awareness and use of guidelines that document specific PIMs such as Beers Criteria among community pharmacists.

Potentially inappropriate medication use in the elderly: physicians' and hospital pharmacists knowledge, practice, confidence, and barriers

BACKGROUND

Inappropriate medication prescribing and dispensing by physicians and pharmacists is a preventable cause of morbidity and mortality in the elderly. Signifying the importance of healthcare professionals' knowledge of potentially inappropriate prescribing tools/ guidelines which would improve overall health outcomes. Beers Criteria is one of the most used guidelines that list specific potentially inappropriate medications (PIMs). This study aimed to investigate physicians' and hospital pharmacists' awareness, knowledge, practice, confidence, and barriers to the use of Beers criteria.

METHODS

A cross-sectional survey was carried out among 66 hospital pharmacists and 31 family medicine physicians working in a teaching hospital in Nigeria, between May and September 2021 using a self-administered questionnaire. Knowledge of PIMs was assessed using 11 clinical vignettes based on the 2019 Beers Criteria. Practice behavior towards elderly patients was assessed using a 5-item statement with a 5-point Likert scale. Perceived barriers to the appropriate use of Beers Criteria were assessed using a 15-item statement. Descriptive and inferential statistics were used to analyze the data.

RESULTS

A total of 66 hospital pharmacists and 31 family medicine physicians participated in the study. Only (24; 36.4%) pharmacists and (4; 12.9%) physicians knew guidelines that listed specific PIMs. In all (21; 31.8%) pharmacists and (11; 35.4%) physicians demonstrated good knowledge of Beers Criteria, while most pharmacists (55; 83.3%) and physicians (29; 93.5%) reported good practice when dealing with elderly patients in terms of asking relevant questions and considering their ages while dispensing medications. Knowledge scores were not significantly associated with hospital pharmacists' socio-demographics. Most of the physicians and pharmacists were confident in the care provided for geriatric patients. The majority (66; 100.0%) pharmacists and (28; 93.5%) physicians suggested training through seminar presentations as a measure to improve the use of Beers' criteria. Lack of time to counsel patients was a major barrier recounted by both physicians and pharmacists.

CONCLUSION

Healthcare professionals that participated in this study had satisfactory practice, although a gap in the knowledge of hospital pharmacists and family medicine physicians was noted. In addition to creating awareness among healthcare professionals and training on PIMs and Beers' criteria, a multidisciplinary approach to reduce potentially inappropriate prescribing and dispensing would greatly help reduce the incidence of potentially inappropriate medication use among elderly patients.

Contexts and mechanisms relevant to General Practitioner (GP) based interventions to reduce adverse drug events (ADE) in community dwelling older adults: a rapid realist review

Background: Older adults in Ireland are at increased risk of adverse drug events (ADE) due, in part, to increasing rates of polypharmacy. Interventions to reduce ADE in community dwelling older adults (CDOA) have had limited success, therefore, new approaches are required. A realist review uses a different lens to examine why and how interventions were supposed to work rather than if, they worked. A rapid realist review (RRR) is a more focused and accelerated version. The aim of this RRR is to identify and examine the contexts and mechanisms that play a role in the outcomes relevant to reducing ADE in CDOA in the GP setting that could inform the development of interventions in Ireland. Methods: Six candidate theories (CT) were developed, based on knowledge of the field and recent literature, in relation to how interventions are expected to work. These formed the search strategy. Eighty full texts from 633 abstracts were reviewed, of which 27 were included. Snowballing added a further five articles, relevant policy documents increased the total number to 45. Data were extracted relevant to the theories under iteratively developed sub-themes using NVivo software. Results: Of the six theories, three theories, relating to GP engagement in interventions, relevance of health policy documents for older adults, and shared decision-making, provided data to guide future interventions to reduce ADEs for CDOA in an Irish setting. There was insufficient data for two theories, a third was rejected as existing barriers in the Irish setting made it impractical to use. Conclusions: To improve the success of Irish GP based interventions to reduce ADEs for CDOA, interventions must be relevant and easily applied in practice, supported by national policy and be adequately resourced. Future research is required to test our theories within a newly developed intervention.

Deprescribing medicines in older people living with multimorbidity and polypharmacy: the TAILOR evidence synthesis

BACKGROUND

Tackling problematic polypharmacy requires tailoring the use of medicines to individual needs and circumstances. This may involve stopping medicines (deprescribing) but patients and clinicians report uncertainty on how best to do this. The TAILOR medication synthesis sought to help understand how best to support deprescribing in older people living with multimorbidity and polypharmacy.

OBJECTIVES

We identified two research questions: (1) what evidence exists to support the safe, effective and acceptable stopping of medication in this patient group, and (2) how, for whom and in what contexts can safe and effective tailoring of clinical decisions related to medication use work to produce desired outcomes? We thus described three objectives: (1) to undertake a robust scoping review of the literature on stopping medicines in this group to describe what is being done, where and for what effect; (2) to undertake a realist synthesis review to construct a programme theory that describes 'best practice' and helps explain the heterogeneity of deprescribing approaches; and (3) to translate findings into resources to support tailored prescribing in clinical practice.

DATA SOURCES

Experienced information specialists conducted comprehensive searches in MEDLINE, Cumulative Index to Nursing and Allied Health Literature, Web of Science, EMBASE, The Cochrane Library (Cochrane Database of Systematic Reviews, Cochrane Central Register of Controlled Trials), Joanna Briggs Institute Database of Systematic Reviews and Implementation Reports, Google (Google Inc., Mountain View, CA, USA) and Google Scholar (targeted searches).

REVIEW METHODS

The scoping review followed the five steps described by the Joanna Briggs Institute methodology for conducting a scoping review. The realist review followed the methodological and publication standards for realist reviews described by the Realist And Meta-narrative Evidence Syntheses: Evolving Standards (RAMESES) group. Patient and public involvement partners ensured that our analysis retained a patient-centred focus.

RESULTS

Our scoping review identified 9528 abstracts: 8847 were removed at screening and 662 were removed at full-text review. This left 20 studies (published between 2009 and 2020) that examined the effectiveness, safety and acceptability of deprescribing in adults (aged ≥ 50 years) with polypharmacy (five or more prescribed medications) and multimorbidity (two or more conditions). Our analysis revealed that deprescribing under research conditions mapped well to expert guidance on the steps needed for good clinical practice. Our findings offer evidence-informed support to clinicians regarding the safety, clinician acceptability and potential effectiveness of clinical decision-making that demonstrates a structured approach to deprescribing decisions. Our realist review identified 2602 studies with 119 included in the final analysis. The analysis outlined 34 context-mechanism-outcome configurations describing the knowledge work of tailored prescribing under eight headings related to organisational, health-care professional and patient factors, and interventions to improve deprescribing. We conclude that robust tailored deprescribing requires attention to providing an enabling infrastructure, access to data, tailored explanations and trust.

LIMITATIONS

Strict application of our definition of multimorbidity during the scoping review may have had an impact on the relevance of the review to clinical practice. The realist review was limited by the data (evidence) available.

CONCLUSIONS

Our combined reviews recognise deprescribing as a complex intervention and provide support for the safety of structured approaches to deprescribing, but also highlight the need to integrate patient-centred and contextual factors into best practice models.

FUTURE WORK

The TAILOR study has informed new funded research tackling deprescribing in sleep management, and professional education. Further research is being developed to implement tailored prescribing into routine primary care practice.

STUDY REGISTRATION

This study is registered as PROSPERO CRD42018107544 and PROSPERO CRD42018104176.

FUNDING

This project was funded by the National Institute for Health and Care Research (NIHR) Health Technology Assessment programme and will be published in full in Health Technology Assessment; Vol. 26, No. 32. See the NIHR Journals Library website for further project information.

Medication use problems among older adults at a primary care: A narrative of literature review

Appropriate medication use is one of the most significant challenges among the older population. Although medication use problems are well documented at the secondary and tertiary health care level, the evidence at the primary care level of OECD region is limited. A narrative review of existing literature was conducted through a nonsystematic search for original articles through electronic search databases, Ovid Medline, Google Scholar from 2001 to 2021, and a combination of citation references. Medication use problems are prevalent in older adults at the primary care level. The main issues of medication use identified were as follows; nonadherence, adverse drug events, accessibility, polypharmacy, inappropriate medications, belief about medications, lack of knowledge and awareness, and lack of deprescribing. In addition, the current review has identified the possibilities of the problems: many medications, forgetfulness, lack of deprescribing, lack of communication, poor understanding, and limited awareness of inappropriate medications. This review found that various medication use problems subclusters were identified to impact the health care need among older adults. Therefore, effective interventions targeting these issues need to be developed to reduce medication use problems among older adults at a primary care level.

Clinical characteristics and outcomes of polypharmacy in chronic obstructive pulmonary disease patients: A cross-sectional study from Crete, Greece

OBJECTIVES

Polypharmacy and multimorbidity in chronic obstructive pulmonary disease (COPD) are highly prevalent, with potential associations with worse COPD outcomes. The aim of this study was to identify the clinical characteristics and outcomes of polypharmacy, investigate the relationship of polypharmacy with health status and exacerbations and assess the prevalence of inappropriate medication (PIM), risk of adverse drug reactions (ADRs) and drug-to-drug interactions in COPD patients.

METHODS

A total of 245 COPD patients were enrolled from primary care in Crete, Greece. Patients completed a questionnaire and the COPD Assessment Test (CAT). Multimorbidity was defined as having two or more comorbidities and polypharmacy was defined as taking five or more drugs per day.

RESULTS

Most of COPD patients (77.0%) and the majority (83.6%) of elderly (≥65 years) had multimorbidity, while polypharmacy was evident in 55.2% of all patients and 62.4% in elderly. After adjustments for age, gender and pack-years, polypharmacy was associated with CAT ≥ 10, multimorbidity, several cardiometabolic diseases, cancer and depression-anxiety and prostate disorders (all p values > 0.05). PIMs were found in 9.6% of subjects aged ≥65 years and were mainly mental health medication. Due to coadministration of medications, 22.3% of the population were at cumulative risk for falls, 17% for constipation and 12.8% for cardiovascular events. Finally, 15 pairs of drug-to-drug interactions were identified in 11.5% of patients.

CONCLUSION

Our data suggest that polypharmacy is highly prevalent and associated with worse health status and prescription risks in COPD patients. These findings potentially introduce an additional challenge on effective management of these patients.

Multimorbidity and clinical reasoning through the eyes of GPs: a qualitative study

Objectives

Despite the high prevalence of patients suffering from multimorbidity, the clinical reasoning processes involved during the longitudinal management are still sparse.

This study aimed to investigate what are the different characteristics of the clinical reasoning process clinicians use with patients suffering from multimorbidity, and to what extent this clinical reasoning differs from diagnostic reasoning.

Design

Given the exploratory nature of this study and the difficulty general practitioners (GPs) have in expressing their reasoning, a qualitative methodology was therefore, chosen. The Clinical reasoning Model described by Charlin et al was used as a framework to describe the multifaceted processes of the clinical reasoning.

Setting

Semistructured interviews were conducted with nine GPs working in an ambulatory setting in June to September 2018, in Geneva, Switzerland.

Participants

Participants were GPs who came from public hospital or private practice. The interviews were transcribed verbatim and a thematic analysis was conducted.

Results

The results highlighted how some cognitive processes seem to be more specific to the management reasoning.

Thus, the main goal is not to reach a diagnosis, but rather to consider several possibilities in order to maintain a balance between the evidence-based care options, patient’s priorities and maintaining quality of life. The initial representation of the current problem seems to be more related to the importance of establishing links between the different pre-existing diseases, identifying opportunities for actions and trying to integrate the new elements from the patient’s context, rather than identifying the signs and symptoms that can lead to generating new clinical hypotheses. The multiplicity of options to resolve problems is often perceived as difficult by GPs. Furthermore, longitudinal management does not allow them to achieve a final resolution of problems and that requires continuous review and an ongoing prioritisation process.

Conclusion

This study contributes to a better understanding of the clinical reasoning processes of GPs in the longitudinal management of patients suffering from multimorbidity. Through a practical and accessible model, this qualitative study offers new perspectives for identifying the components of management reasoning. These results open the path to new research projects.

Understanding GPs' clinical reasoning processes involved in managing patients suffering from multimorbidity: A systematic review of qualitative and quantitative research

BACKGROUND

Most consultations in primary care involve patients suffering from multimorbidity. Nevertheless, few studies exist on the clinical reasoning processes of general practitioners (GPs) during the follow-up of these patients. The aim of this systematic review is to summarise published evidence on how GPs reason and make decisions when managing patients with multimorbidity in the long term.

METHODS

A search of the relevant literature from Medline, Embase, PsycINFO, and ERIC databases was conducted in June 2019. The search terms were selected from five domains: primary care, clinical reasoning, chronic disease, multimorbidity, and issues of multimorbidity. Qualitative, quantitative, and mixed-methods studies published in English and French were included. Quality assessment was performed using the Mixed Methods Appraisal Tool.

RESULTS

A total of 2 165 abstracts and 362 full-text articles were assessed. Thirty-two studies met the inclusion criteria. Results showcased that GPs' clinical reasoning during the long-term management of multimorbidity is about setting intermediate goals of care in an ongoing process that adapts to the patients' constant evolution and contributes to preserve their quality of life. In the absence of guidelines adapted to multimorbidity, there is no single correct plan, but competing priorities and unavoidable uncertainties. Thus, GPs have to consider and weigh multiple factors simultaneously. In the context of multimorbidity, GPs describe their reasoning as essentially intuitive and seem to perceive it as less accurate. These clinical reasoning processes are nevertheless more analytical as they might think and rooted in deep knowledge of the individual patient.

CONCLUSIONS

Although the challenges GPs are facing in the long-term follow-up of patients suffering from multimorbidity are increasingly known, the literature currently offers limited information about GPs' clinical reasoning processes at play. GPs tend to underestimate the complexity and richness of their clinical reasoning, which may negatively impact their practice and their teaching.

Evaluation of older persons' medications: a critical incident technique study exploring healthcare professionals' experiences and actions

Background

Older persons with polypharmacy are at increased risk of harm from medications. Therefore, it is important that physicians and nurses, together with the persons, evaluate medications to avoid hazardous polypharmacy. It remains unclear how healthcare professionals experience such evaluations. This study aimed to explore physicians’ and nurses’ experiences from evaluations of older persons’ medications, and their related actions to manage concerns related to the evaluations.

Method

Individual interview data from 29 physicians and nurses were collected and analysed according to the critical incident technique.

Results

The medication evaluation for older persons was influenced by the working conditions (e.g. healthcare professionals’ clinical knowledge, experiences, and situational conditions) and working in partnership (e.g. cooperating around and with the older person). Actions taken to manage these evaluations were related to working with a plan (e.g. performing day-to-day work and planning for continued treatment) and collaborative problem-solving (e.g. finding a solution, involving the older person, and communicating with colleagues).

Conclusion

Working conditions and cooperation with colleagues, the older persons and their formal or informal caregivers, emerged as important factors related to the medication evaluation. By adjusting their performance to variations in these conditions, healthcare professionals contributed to the resilience of the healthcare system by its capacity to prevent, notice and mitigate medication problems. Based on these findings, we hypothesize that a joint plan for continued treatment could facilitate such resilience, if it articulates what to observe, when to act, who should act and what actions to take in case of deviations from what is expected.

Supplementary Information

The online version contains supplementary material available at 10.1186/s12913-021-06518-w.

Physician and patient-related factors associated with inappropriate prescribing to older patients within primary care: a cross-sectional study in Brazil

BACKGROUND

Physician and patient-related characteristics can influence prescription of medications to older patients within primary healthcare. Use of Brazilian criteria may indicate the real prevalence of prescription of potentially inappropriate medications to this population.

OBJECTIVES

To evaluate prescription of potentially inappropriate medications to older patients within primary care and identify patient-related and prescribing physician-related factors.

DESIGN AND SETTING

This cross-sectional study was conducted in 22 public primary care facilities in Brazil, among older people (≥ 60 years) who were waiting for medical consultations.

METHODS

Interviews were conducted before and after the medical consultations. If the patient received a medical prescription at the consultation, all the drugs prescribed and the physician's medical council registration number were recorded. Prevalence ratios were estimated to ascertain the magnitude of prescription of potentially inappropriate medications, along with patient and physician-related factors associated with such prescription.

RESULTS

In total, 417 older patients were included; 45.3% had received ≥ 1 potentially inappropriate medication, and 86.8% out of 53 physicians involved had prescribed ≥ 1 potentially inappropriate medication. The strongest patient-related factor associated with higher prevalence of prescription of potentially inappropriate medications was polypharmacy. Among physician-related factors, the number of patients attended, number of prescriptions and length of medical practice < 10 years were positively associated with prescription of potentially inappropriate medications.

CONCLUSIONS

High prevalence of prescription of potentially inappropriate medications was observed. Physician-related characteristics can influence prescription of medications to older people within primary healthcare. This suggests that there is a need for interventions among all physicians, especially younger physicians.

Impact of Age, Multimorbidity and Frailty on the Prescription of Preventive Antiplatelet Therapy in Older Population

Platelet aggregation inhibitors (PAI) have widely proven their efficiency for the prevention of ischemic cardiovascular events. We aimed to describe PAI prescription in an elderly multimorbid population and to determine the factors that influence their prescription, including the impact of age, comorbidities and frailty, evaluated through a comprehensive geriatric assessment. This cross-sectional study included all patients admitted to the acute geriatric department of a university hospital from November 2016 to January 2017. We included 304 consecutive hospitalized patients aged 88.7 ± 5.5 years. One third of the population was treated with PAI. A total of 133 (43.8%) patients had a history of cardiovascular disease, 77 of whom were on PAI. For 16 patients, no indication was identified. The prescription or the absence of PAI were consistent with medical history in 61.8% of patients. In the multivariate analysis, among the 187 patients with an indication for PAI, neither age (odds ratio (OR) = 1.00; 95% confidence interval (CI): [0.91-1.08], per year of age), nor comorbidities (OR = 0.97; 95% CI: [0.75-1.26], per point of Charlson comorbidity index), nor cognitive disorders (OR = 0.98; 95% CI [0.91-1.06] per point of Mini Mental State Examination), nor malnutrition (OR = 1.07; 95% CI [0.96-1.18], per g/L of albumin) were significantly associated with the therapeutic decision. PAI were less prescribed in primary prevention situations, in patients taking anticoagulants and in patients with a history of bleeding. In conclusion, a third of our older comorbid population of inpatients was taking PAI. PAI prescription was consistent with medical history for 61.8% of patients. Age, multimorbidity and frailty do not appear to have a significant influence on therapeutic decision-making. Further research is needed to confirm such a persistence of cardiovascular preventive strategies in frail older patients from other settings and to assess whether these strategies are associated with a clinical benefit in this specific population.

Potentially inappropriate medications in older patients based on Beers criteria: a cross-sectional study of a family medicine practice in Saudi Arabia

BACKGROUND

The use of potentially inappropriate medications (PIMs) is an important issue in older patients who are at risk of adverse drug events.

AIM

To determine the prevalence of PIM use, according to Beers criteria, among an older population (aged ≥65 years) in a large family medicine setting, and to identify the associated risks.

DESIGN & SETTING

A prospective cross-sectional study of patients aged ≥65 years was conducted from June 2017 to June 2018 at the Family and Community Medicine (FCM) clinics of King Saud Medical City (KSMC) in Riyadh, Saudi Arabia.

METHOD

This cross-sectional study included patients aged ≥65 years who were seen at new appointments or followed-up at the FCM clinics of KSMC in Riyadh, Saudi Arabia. Data were collected by extensive face-to-face interviews and from the patients' medical records.

RESULTS

A total of 270 older patients aged 72.41 ±6.23 years (mean ±standard deviation [SD]) were included in the present study. The prevalence of PIMs was 60.7% (n = 164). Multivariate analyses identified three independent variables associated with PIMs: incremental age per 5 years (odds ratio [OR] 1.47, 95% confidence intervals [CI] = 1.15 to 1.88; P = 0.002), female sex (OR 1.95, 95% CI = 1.10 to 3.42; P = 0.021), and polypharmacy (OR 8.21, 95% CI = 4.58 to 14.7; P<0.001). The most common PIMs used were 39.4% related to proton pump inhibitors (PPI), 25.2% to diuretics (other than spironolactone), 10.6% to non-steroidal anti-inflammatory drugs (NSAIDs), and 8.7% to aspirin use.

CONCLUSION

This study showed high prevalence of PIMs. Increasing age, female sex, and polypharmacy were found to be significant risk factors for PIM use. The frequency of morbidities was not significantly different among patients with PIMs compared to those without PIMs, except for hypertension and osteoarthritis, which were more common in the PIMs group. The present study reinforces the importance of comprehensive medication management and reviews.

De-implementing Inhaled Corticosteroids to Improve Care and Safety in COPD Treatment: Primary Care Providers' Perspectives

BACKGROUND

Chronic obstructive pulmonary disease (COPD) is among the most common medical diagnoses among Veterans. More than 50% of Veterans diagnosed with mild-to-moderate COPD are prescribed inhaled corticosteroids despite recommendations for use restricted to patients with frequent exacerbations.

OBJECTIVE

We explored primary care providers' experiences prescribing inhaled corticosteroids among patients with mild-to-moderate COPD as part of a quality improvement initiative.

DESIGN

We used a sequential mixed-methods evaluation approach to understand factors influencing primary care providers' inhaled corticosteroid prescribing for patients with mild-to-moderate COPD. Participants were recruited to participate in qualitative interviews and structured surveys.

PARTICIPANTS

We used a purposive sample of primary care providers from 13 primary care clinics affiliated with two urban Veteran Health Administration healthcare systems.

MAIN MEASURES

Interviews were transcribed and analyzed using content analysis. Qualitative findings informed a subsequent survey. Surveys were administered through REDCap and analyzed descriptively. Key qualitative and quantitative findings were compared.

KEY RESULTS

Participants reported they were unaware of current evidence and recommendations for prescribing inhaled corticosteroids; for example, 46% of providers reported they were unaware of risks of pneumonia. Providers reported they are generally unable to keep up with the current literature due to the broad scope of primary care practice. We also found primary care providers may be reluctant to change inherited prescriptions, even if they thought inhaled corticosteroid therapy might not be appropriate.

CONCLUSIONS

Inhaled corticosteroid prescribing in this patient population is partly due to primary care providers' lack of knowledge about the potential harms and availability of alternative therapies. Our findings suggest that efforts to expand access by increasing the number of prescribing providers a patient potentially sees could make it more difficult to de-implement harmful prescriptions. Our findings also corroborate prior findings that awareness of current evidence-based guidelines is likely an important part of medical overuse.

Prescription of pain medication among older cancer patients with and without an intellectual disability: a national register study

Background

The longevity for people with intellectual disability (ID) has significantly increased in developed countries during the past decades. Consequently, the incidence of cancer is expected to increase in this group. The aim of the present study was to investigate the prescription of pain medication in older cancer patients with intellectual disability (ID) compared to older patients in the general population, surviving or living with a cancer diagnosis.

Methods

This Swedish national registry-based study, included people with ID aged 55 years or older in 2012, and alive at the end of that year (ID cohort, n = 7936). For comparisons, we used a referent cohort, one-to-one matched with the general population by year of birth and sex (gPop cohort, n = 7936). People with at least one diagnosis of cancer during 2002–2012 were identified using the Swedish National Patient Register, resulting in 555 cancer patients with ID and 877 cancer patients from the general population. These two cohorts of cancer patients were compared with respect to prescription of pain medication for the period 2006–2012. Outcome data were aggregated so that each patient was categorized as either having or not having at least one prescription of each investigated drug group during the study period, and relative risks (RRs) for prescription were estimated for prescription in the ID cohort vs the gPop cohort.

Results

Cancer patients with ID were less likely than cancer patients in the gPop cohort to have at least one prescription of COX inhibitors (RR 0.61) and weak opioids (RR 0.63). They were, however, more likely to be prescribed paracetamol (RR 1.16), antidepressants (RR 2.09), anxiolytics (RR 2.84), and “other hypnotics, sedatives, and neuroleptics” (RR 1.39). No statistically significant differences between the two cohorts were found for strong opioids, antiepileptics, tricyclic antidepressants, or hypnotics and sedatives.

Conclusion

In the studied cohort of older people surviving or living with cancer, prescriptions for pain-treatment was less common in patients with ID compared to the general population. These results may suggest that pain is not sufficiently treated among cancer patients with ID, a situation that most likely would compromise the quality of life in this group.

[Telemedicine and drug iatrogenesis in nursing homes]

Inappropriate drug prescribing is an avoidable cause of adverse drug events, sources of an increase in morbimortality, excess spending and a decrease in quality of life. Many actions exist to improve prescribing quality and to secure the medication circuit in nursing homes. As part of the deployment of telemedicine, the benefit of a medico-pharmaceutical tele-expertise system for medication is evident.

Use of prescription drugs in the older adult population-a nationwide pharmacoepidemiological study

PURPOSE

Multi-morbidity and polypharmacy are common among older people. It is essential to provide a better understanding of the complexity of prescription drug use among older adults to optimise rational pharmacotherapy. Population-based utilisation data in this age group is limited. Using the Danish nationwide health registries, we aimed to characterise drug use among Danish individuals ≥ 60 years.

METHODS

This is a descriptive population-based study assessing drug prescription patterns in 2015 in the full Danish population aged ≥ 60 years. The use of specific therapeutic subgroups and chemical subgroups and its dependence on age were described using descriptive statistics. Profiles of drug combination patterns were evaluated using latent class analysis.

RESULTS

We included 1,424,775 residents (median age 70 years, 53% women). Of all the older adults, 89% filled at least one prescription during 2015. The median number of drug groups used was five per person. The most used single drug groups were paracetamol and analogues (34%), statins (33%) and platelet aggregation inhibitors (24%). Eighteen drug profiles with different drug combination patterns were identified. One drug profile with expected use of zero drugs and 11 drug profiles expected to receive more than five different therapeutic subgroup drugs were identified.

CONCLUSION

The use of drugs is extensive both at the population level and increasing with age at an individual level. Separating the population into different homogenous groups related to drug use resulted in 18 different drug profiles, of which 11 drug profiles received on average more than five different therapeutic subgroup drugs.

Home Care Workers’ Judgment of Acute Conditions in Home Care Patients: A Retrospective Cohort Study

Home care workers are likely to detect acute conditions in home care patients. Obtaining data about home care workers’ detection of acute conditions is essential for improving the present quality of home care. This study investigates how home care workers approach the acute conditions of their patients. A retrospective cohort study was conducted with all home care patients who received services from home care workers in Unnan City, Shimane, Japan. The primary outcome was the frequency of acute conditions occurring in home care patients. We used logistic regression to model the acute conditions of the patients based on their age, gender, dependent condition, home-care-worker visit frequency, isolation, and number of chronic diseases. Of 445 participants, 74 had acute conditions (16.6%). The most common among the acute conditions was fever. There were no statistically significant relationships found between admission and the independent variables. The results of the logistic regression model demonstrated that visit frequency and isolation were statistically significant (odds ratio [OR] = 1.24, 95% confidence interval [CI] = [1.08, 1.43], p < .001; OR = 1.95, 95% CI = [1.09, 3.09], p = .001). This research shows that home care workers may be able to identify the early stages of acute diseases in their patients. The improvement of their detection skills may contribute to better health care for home care patients. The application of support systems such as information and communication technologies can promote the identification of acute conditions.

Physician's Knowledge of Appropriate Prescribing for the Elderly-A Survey Among Family and Internal Medicine Physicians in Nigeria

Background: Prescription and use of inappropriate medications have been identified as a major cause of morbidity among the elderly. Several screening tools have been developed to identify inappropriate medications prescribed for elderly patients. There is dearth of information about the knowledge of Nigerian physicians regarding these screening tools and appropriate prescribing for the elderly in general. The primary objective of this study was to assess the knowledge of Nigerian physicians about these screening tools and appropriate prescribing of medications for the elderly.

Methods: The study was a cross-sectional questionnaire-based study conducted among physicians working in Family Medicine and Internal Medicine departments of four tertiary health care facilities in Nigeria. The questionnaire consisted of sections on general characteristics of respondents and their knowledge of four selected screening tools for inappropriate medications in the elderly. Ten clinical vignettes representing different therapeutic areas (using the best option type questions) about medicine use in the elderly were included with a score of 1 and 0 for correct and wrong answers, respectively. The knowledge of respondents was classified as (total score, over 10): poor (score, < 5), average (score, 5-6), and good (score, 7-10).

Results: One hundred and five physicians returned completed questionnaires. Twenty percent of respondents knew about Beers criteria, whereas 15.6% were familiar with the STOPP criteria. Majority (83; 84.7%) of the respondents were confident of their ability to prescribeappropriately for elderly patients. The mean knowledge score was 5.3 ± 2.0 with 32 (30.5%), 41 (39%), and 32 (30.5%) having low, average, and good scores, respectively. The association between the knowledge score, duration of practice, and seniority was statistically significant (OR, 3.6, p = .004 and OR, 3; p = .012), respectively.

Conclusion: There are significant gaps in the knowledge of Nigerian physicians about screening tools for inappropriate medications. There is a need for stakeholders involved in the care of elderly Nigerian patients to develop new strategies to improve services being offered. These may include introduction of modules on appropriate prescribing in the curriculum of undergraduate and postgraduate medical education and the routine use of some screening tools for inappropriate medications in daily clinical practice.

Health care professionals' attitudes towards deprescribing in older patients with limited life expectancy: A systematic review

AIMS

The aim of this systematic review was to explore health care professionals' attitudes towards deprescribing in older people with limited life expectancy.

METHODS

A systematic literature search was conducted from inception to December 2017 using MEDLINE, EMBASE and CINAHL. Studies were included if they specifically concerned older people (≥65 years) with limited life expectancy, including those residing in any type of aged care facility, or were based on representative patient profiles. Results were analyzed inspired by the Joanna Briggs Institute's method for synthesis of qualitative data. Studies were characterized using a checklist for reporting of qualitative research.

RESULTS

Eight studies were included. Six studies explored health care professionals' views on deprescribing in general, and two studies focused specifically on psychotropic agents. All eight studies explored the views of physicians, mostly general practitioners, while three studies also considered other health care professionals. Four themes related to health care professionals' attitudes towards deprescribing were identified: (i) patient and relative involvement; (ii) the importance of teamwork; (iii) health care professionals' self-assurance and skills; and (iv) the impact of organizational factors. Within each of these themes, 3-4 subthemes were identified and analysed.

CONCLUSIONS

Our results suggest that health care professionals' decisions to engage in deprescribing activities with older people with limited life expectancy depend on multiple factors which are highly interdependent. Consequently, there is an urgent need for more research on how to approach deprescribing in clinical practice within this population.

Perspective of elderly patients on chronic use of potentially inappropriate medication - Results of the qualitative CIM-TRIAD study

Although potentially inappropriate medication (PIM) is associated with risk of harm due to adverse effects, it is frequently prescribed for elderly patients. The aim of this qualitative multi-center study was to gain insight into contextual factors that might lead to chronic PIM use. We conducted semi-structured interviews with elderly patients with or without chronic PIM use (patient interviews: n = 52). Patients were between 86 and 96 years old. The participants were recruited from the AgeCoDe study. Interviews were audiotaped and transcribed verbatim. The transcripts of the interviews were analysed using qualitative content analysis. Deductive and inductive categories were determined. We found contextual factors related to the patient and related to patient-general practitioner (GP) communication that might lead to chronic PIM use (i.e., positive features of PIM, maintaining characteristics of medication intake, barriers to deprescribe PIM, external actors supporting PIM intake, system-related factors). Besides certain health-related behaviours (e.g., own obligation to report to GP) and medication-related attitudes and knowledge (e.g., awareness of side effects and interaction of medicines), patient-GP-interactions that were characterised by mutual agreements on drugs (e.g., concerning dosage or discontinuation of a drug) might be advantageous to reduce the probability of chronic PIM use. The results might assist in the development of guidelines and educational programs aiming to reduce PIM use in the elderly.

The interplay of context factors in hypnotic and sedative prescription in primary and secondary care-a qualitative study

Purpose

Non-medical or contextual factors strongly influence physicians’ prescribing behavior and may explain why drugs, such as benzodiazepines and Z-drugs, are still frequently prescribed in spite of well-known adverse effects. This study aimed to explore which contextual factors influence the prescription of hypnotics and sedatives and to compare their role in primary and secondary care.

Methods

Understanding medical practices as games with specific rules and strategies and performed in a largely habitual, not fully conscious manner, we asked a maximum variation sample of 12 hospital doctors and 12 general practitioners (GPs) about their use of hypnotics and sedatives. The interviews were analyzed by qualitative content analysis.

Results

Hospital doctors’ and GPs’ use of hypnotics and sedatives was influenced by a variety of contextual factors, such as the demand of different patient groups, aims of management, time resources, or the role of nurses and peers. Negotiating patient demands, complying with administrative regulations, and finding acceptable solutions for patients were the main challenges, which characterized the game of drug use in primary care. Maintaining the workflow in the hospital and finding a way to satisfy both nurses and patients were the main challenges in secondary care.

Conclusions

Even if doctors try to act rationally, they cannot escape the interplay of contextual factors such as handling patient needs, complying with administrative regulations, and managing time resources. Doctors should balance these factors as if they were challenges in a complex game and reflect upon their own practices.

Electronic supplementary material

The online version of this article (10.1007/s00228-018-2555-9) contains supplementary material, which is available to authorized users.

Variations in drug-related problems detected by multidisciplinary teams in Norwegian nursing homes and home nursing care

OBJECTIVE

Traditionally, nursing homes have been associated with suboptimal drug therapy and drug-related problems (DRPs). In contrast, less is known about drug safety in homecare. The aim of this study was to describe and compare DRPs in older persons across two care settings: nursing homes and home nursing care.

DESIGN

Cross-sectional study using descriptive and inferential statistics.

SETTING

Nursing homes (n = 5) and home nursing care units (n = 8) across nine municipalities in the middle of Norway.

PARTICIPANTS

Multidisciplinary medication reviews for 61 nursing home residents and 93 patients receiving home nursing care performed over the 2013-2014 period, were mapped and examined (N = 154).

MAIN OUTCOME MEASURES

DRPs classified by a Norwegian Classification Tool.

RESULTS

In all, 740 DRPs were detected in the total sample, 227 in nursing homes and 513 in home nursing care. DRPs were significantly higher among patients receiving home-based care (Mean =5.5) compared to patients in nursing homes (Mean =3.7, p = 0.002). Among the problem categories, the need for additional drug was most frequent in nursing homes (p = 0.001), while documentation discrepancies reached the highest numbers in patients receiving home nursing care (p = 0.000). Additionally, patients in home nursing care had more problems concerning adverse reactions (p = 0.060); however, this was not statistically significant. Differences in DRP categories leading to changes in the patients' medication lists were also discovered.

CONCLUSIONS

The frequency of unclear documentation and adverse reactions found in the homecare setting is alarming. This is an important issue given the trend in aged care towards caring people in their own homes. Further research is warranted to explore how different care settings may influence the safety of pharmacotherapy for older persons. Key Points Drug related problems are a significant cause of concern among patients receiving home nursing care as well as for patients living in nursing homes. The findings of this study showed that: •Significantly more DRPs were detected among patients receiving home nursing care than patients living in nursing homes. •While patients living in nursing homes were often undermedicated, documentation discrepancies were more frequent in home nursing care. •DRP categories leading to changes on the medication lists differed between the settings.

"Appropriateness and adequacy of antibiotic prescription for upper respiratory tract infections in ambulatory health care centers in Ecuador"

Background

Upper respiratory tract infections are the leading cause of misuse of antibiotics, a problem that leads to unnecessary adverse events and antibiotic resistance. Antibiotic prescription in Ecuador was analyzed in order to evaluate the state of antibiotic prescribing for upper respiratory tract infections. Both the appropriateness and adequacy of prescribing was evaluated. Appropriateness represents the percentage of prescriptions that are indicated; adequacy refers to the percentage of patients requiring antibiotics who are treated.

Methods

The aim of the study is to analyze the appropriateness and adequacy of antibiotic prescription for upper respiratory tract infections in the Ambulatory Health Centers of the Ministry of Public Health of Ecuador. This is a cross-sectional study of patients from one Health Center of the Ministry of Public Health in the District 17D03 in Ecuador during 2015 with upper respiratory tract infection as a primary diagnosis.

Results

We included a total of 1393 patients in the analysis. Out of the 1393 patients identified, 523 were prescribed antibiotics, constituting an antibiotic prescription rate of 37.5%, and 51 required antibiotics, reflecting a real need of antibiotics of 3.7%. Appropriateness: Of these 523 patients who were treated, 51 required an antibiotic, resulting in an appropriate antibiotic prescription rate of 9.75%. Adequacy: When analyzing each individual case, 33 of these 51 patients received an antibiotic, constituting an adequate prescription rate of 64.7%.

Conclusions

The results of our study report a 90.25% of inappropriate prescription. The antibiotic prescription, appropriate prescription, and adequate prescription rates show the need for implementation of strategies in order to reduce them. Related aspects regarding prescriber’s behavior and the patient’s expectations should be analyzed.

Electronic supplementary material

The online version of this article (10.1186/s40360-018-0237-y) contains supplementary material, which is available to authorized users.

Informal caregivers' perspectives on health of and (potentially inappropriate) medication for (relatively) independent oldest-old people - a qualitative interview study

BACKGROUND

Oldest-old persons frequently receive potentially inappropriate medication. Medication use takes place under the patients' informal caregivers' influence. We explored informal caregivers' perspectives on medication of (relatively) independent oldest-old persons to identify starting points for safer medication prescription/handling.

METHODS

In this exploratory qualitative interview study we interviewed 45 informal caregivers of 45 oldest-old persons (23 with potentially inappropriate medication/22 without potentially inappropriate medication). Interviews were recorded, transcribed and content analyzed (deductive/inductive coding).

RESULTS

Interviewees had little knowledge about/influence on oldest-old persons' medication, but declared to monitor oldest-old persons' needs for assistance. They were unaware of the concept of potentially inappropriate medication but sometimes sensitive to substance dependency. Most informal caregivers were satisfied with the oldest-old persons' medication and viewed medication as increasing the patients' quality of life. Inadequate communication was found between informal caregivers and general practitioners.

CONCLUSIONS

Influence of informal caregivers on (relatively) independent oldest-old persons' medication seems low. Stakeholders need to be aware that there is a transitional period where independency of oldest-old persons decreases and support needs increase which may be missed by (in-)formal caregivers or concealed by oldest-old persons. Monitoring patients' medication competencies; measures supporting communication between informal caregivers and health care professionals; provision of educational and support resources for informal caregivers and the acceptance of oldest-old persons' increasing assistance needs may increase medication safety.

German healthcare professionals' perspective on implementing recommendations about polypharmacy in general practice: a qualitative study

BACKGROUND

Key recommendations for the management of patients with polypharmacy are structured medication counselling (SMC), medication lists and systematic medication reviews.

OBJECTIVE

The aim of this study was to identify determinants (hindering and facilitating factors) for the implementation of the recommendations in general practice.

METHODS

This study was linked to a tailored intervention aimed at improving the implementation of the recommendations in German general practice. Interviews and focus groups with different healthcare professionals were carried out in the design phase and after delivery of the intervention. The material from both data collections was analysed separately in a content analytical approach resulting in two sets of categories. For this study, the subcategories of both sets were assigned to the Tailoring Interventions for Chronic Diseases (TICD) checklist, a comprehensive framework of determinants of practice.

RESULTS

Interviews with 24 general practitioners (GPs), 4 other medical specialists, 1 pharmacist, 3 nurses and 6 medical assistants as well as 2 mixed focus groups with 17 professionals were conducted. We identified 93 determinants: 29 referred to medication counselling, 21 to the use of medication lists, 20 to medications reviews and 23 to all recommendations. The determinants were related to all 7 main domains and to 25 of the 57 subdomains on the TICD checklist including guideline factors, patient factors, individual healthcare professional factors, social, political and legal factors, incentives and resources, and capacity for organizational change.

CONCLUSION

While many interventions to improve polypharmacy focus on the provision of pharmacological knowledge, a much wider range of domains need to be addressed, such as communication skills, patient involvement and practice organization.

Patient- and health care-related factors associated with initiation of potentially inappropriate medication in community-dwelling older persons

Potentially inappropriate medications (PIMs) in older persons are defined as medications of which the potential harms outweigh their benefits. The purpose of this study was to determine how initiation of PIMs accumulate in community-dwelling persons aged 65-74 and ≥75 years, and which patient- and health care-related factors are associated with PIM initiation over time. Data of this study were gathered from population-based registers by a 10% random sample of persons (n = 28 497) aged ≥65 years with no prior PIMs within a 2-year period preceding the index date (1 January 2002), and the study individuals were followed until 2013. The Finnish Prescription Register was linked using a personal identity code to register on inpatient care and causes of deaths and socio-economic data. In this study, 10 698 (37.5%) persons initiated PIMs during the study period. Female gender was associated with PIM initiation in 65-74-year-olds, but not in ≥75-year-olds. In 65-74-year-olds, the risk of PIM initiation increased with the higher income, whereas in ≥75-year-olds, the association between PIM initiation and the high income was not significant. The prescribing physician explained 9%-16% of the variation in the probability of PIM initiation. In conclusion, there were age-related differences in the factors associated with PIM initiation in relation to gender and socio-economic status. Overall, patient-related factors explained a large proportion of variation of PIM initiation, but there were also differences in PIM prescribing among physicians. However, physician-related variance of PIM initiations decreased during the 12-year follow-up.

Compatibility of medication with PRISCUS criteria and identification of drug interactions in a large cohort of patients with COPD

Patients with COPD are often of advanced age and have a high number of medications due to their lung disease and comorbidities. Thus they are at risk for unwanted effects from drugs, either due to age or due to interactions between drugs. These issues are not clarified. We therefore assessed the number of medications and potential adverse effects in a large cohort of patients with COPD. The analysis was performed in 2741 patients of the German COPD cohort COSYCONET, using baseline data (visit 1) and follow-up data after about 1.5 years (visit 3). Spirometric GOLD grades 1-4 were found in 8/35/32/9% of patients and GOLD groups ABCD in 7/25/4/48% of patients, while the remaining patients (n = 450, 16.4%) could not be classified according to GOLD criteria. The compatibility of medication with age was evaluated via the PRISCUS list, drug interactions via the AiD clinic system, whereby only drug combinations occurring in at least 10 patients were considered (nine unwanted interactions, one wanted interaction). The median numbers of medications were 5 or more in all patient categories, among them 3 or more non-respiratory medications. In the total population there were 153 patients (10.2%) aged ≥65 years who had any medication of the PRISCUS list with intermediate or low risk. Serious adverse combinations of drugs according to AiD occurred in 114 patients (4.2%), while the number of unwanted but only potentially clinically relevant combinations was 175 (6.4%). The number of wanted combinations was 219 (8.0%). These numbers did not markedly change when restricting the analysis to patients of GOLD grades 1-4. Moreover, the results were similar for visit 1 and visit 3. We conclude that in a large cohort of COPD patients about 10% of patients aged at least 65 years had medications that could interfere with their age and that the proportions of patients with either unwanted or wanted drug interactions were both in the range of 8-10%. These results suggest that problems arising from the high number of medications were not very frequent in the COPD cohort analysed.

Patient-perceived barriers and facilitators to the implementation of a medication review in primary care: a qualitative thematic analysis

BACKGROUND

Although polypharmacy can cause adverse health outcomes, patients often know little about their medication. A regularly conducted medication review (MR) can help provide an overview of a patient's medication, and benefit patients by enhancing their knowledge of their drugs. As little is known about patient attitudes towards MRs in primary care, the objective of this study was to gain insight into patient-perceived barriers and facilitators to the implementation of an MR.

METHODS

We conducted a qualitative study with a convenience sample of 31 patients (age ≥ 60 years, ≥3 chronic diseases, taking ≥5 drugs/d); in Hesse, Germany, in February 2016. We conducted two focus groups and, in order to ensure the participation of elderly patients with reduced mobility, 16 telephone interviews. Both relied on a semi-structured interview guide dealing with the following subjects: patients' experience of polypharmacy, general design of MRs, potential barriers and facilitators to implementation etc. Interviews were audio-recorded, transcribed verbatim, and analysed by two researchers using thematic analysis.

RESULTS

Patients' average age was 74 years (range 62-88 years). We identified barriers and facilitators for four main topics regarding the implementation of MRs in primary care: patient participation, GP-led MRs, pharmacist-led MRs, and the involvement of healthcare assistants in MRs. Barriers to patient participation concerned patient autonomy, while facilitators involved patient awareness of medication-related problems. Barriers to GP-led MRs concerned GP's lack of resources while facilitators related to the trusting relationship between patient and GP. Pharmacist-led MRs might be hindered by a lack of patients' confidence in pharmacists' expertise, but facilitated by pharmacies' digital records of the patients' medications. Regarding the involvement of healthcare assistants in MRs, a potential barrier was patients' uncertainty regarding the extent of their training. Patients could, however, imagine GPs delegating some aspects of MRs to them.

CONCLUSIONS

Our study suggests that patients regard MRs as beneficial and expect indications for their medicines to be checked, and possible interactions to be identified. To foster the implementation of MRs in primary care, it is important to consider barriers and facilitators to the four identified topics.

Optimizing medication use in elderly people in primary care: Impact of STOPP criteria on inappropriate prescriptions

BACKGROUND

STOPP (Screening Tool of Older Person's Prescriptions) criteria have been used in acute care and nursing home settings as a screening tool to assess Potentially Inappropriate Medication (PIM) for elderly people. Furthermore, this tool could help General Practitioners (GPs) to lower PIM frequency in primary care.

OBJECTIVE

The aim of the study was to measure the impact of STOPP criteria applied by the GP on prescriptions during a primary care consultation.

SETTING, SUBJECTS AND METHOD

Twenty GPs were involved and trained to use STOPP criteria. GPs were asked to use STOPP criteria for elderly patients (>75years old) who were taking at least five different drugs, seen over a two-month period. The rate of PIM according to STOPP criteria was measured before and after training. Prescription quality was compared using the Medication Appropriateness Index (MAI) score.

RESULTS

Overall, 172 prescriptions were analyzed. A total of 170 PIM were identified according to STOPP criteria before the intervention. Fifty-seven percent of the population (n=98 patients) had at least one PIM. GP's intervention decreased the number of PIM according to STOPP criteria to 106 and was beneficial for 44.9% of the patients (n=44). The mean MAI score of all medications and PIM decreased by 14.3% (p<0.001) and 39.1% (p<0.001) respectively.

DISCUSSION CONCLUSIONS

Application of STOPP criteria by GPs is an effective tool to decrease PIM and MAI score in primary care. The generalization of the use of STOPP criteria during GP consultation should be fostered.

Prescription of potentially inappropriate medications among older people with intellectual disability: a register study

BACKGROUND

Older people have a greater disease burden and are more likely than younger to be prescribed medications. They are also more sensitive to adverse effects. With this in mind, a range of medications have been suggested inappropriate in this population. People with intellectual disability (ID) have a higher disease burden than the general population, putting them at even greater risk of prescription of such medications. The aim of this study was to describe prescription of potentially inappropriate medications among older people with ID in relation to prescriptions among their age peers in the general population.

METHODS

We established an administrative cohort of people with ID (ID cohort; n = 7936), using a Swedish national register. A referent cohort from the general population (gPop) was matched one-to-one by sex and year of birth. Data regarding prescription of potentially inappropriate medications were collected from the Swedish prescribed drug register for the years 2006-2012.

RESULTS

People with ID were more likely than the general population to be prescribed medications with anticholinergic effects, intermediate- or long-acting benzodiazepines, and antipsychotics at least once during the study period, and also had more number of years with prescription. Except for benzodiazepines, those in the ID cohort with at least one prescription had larger amounts prescribed than those in the gPop cohort. People in the ID cohort were less likely than the general population to be prescribed non-steroidal anti-inflammatory drugs (NSAIDs). Among those with at least one prescription of NSAIDs, those in the ID cohort had prescriptions during fewer years and in lower amounts than those in the gPop cohort.

CONCLUSIONS

Although prescription of potentially inappropriate medications overall is more common among people with ID than in the general population, the opposite pattern is found for medications for pain management. This may be a result of pain being under-recognized and under-treated in this population. Thus, there is a need for training as well as increased knowledge and awareness among care and health care professionals regarding signs of adverse effects and the need of continuous evaluation of treatment in this vulnerable group.

Outcome prioritisation tool for medication review in older patients with multimorbidity: a pilot study in general practice

Background

Several methods have been developed to conduct and support medication reviews in older persons with multimorbidity. Assessing the patient’s priorities for achieving specific health outcomes can guide the medication review process. Little is known about the impact of conducting such assessments.

Aim

This pilot study aimed to determine proposed and observed medication changes when using an outcome prioritisation tool (OPT) during a medication review in general practice.

Design and setting

Participants were older patients with multimorbidity (aged ≥69 years) with polypharmacy (five or more chronic medications) from the practices of 14 GPs.

Method

Patients were asked to prioritise four universal health outcomes — remaining alive, maintaining independence, reducing pain, and reducing other symptoms — using an OPT. GPs used this prioritisation to review the medication and to propose and discuss medication changes with the patient. The outcomes included the proposed medication change as documented by the GP, and the observed medication change in the electronic health record at follow-up. Descriptive analyses were conducted to determine medication changes according to the prioritised health outcomes.

Results

A total of 59 patients using 486 medications prioritised the four health outcomes. GPs proposed 34 changes of medication, mainly stopping, for 20 patients. At follow-up, 14 medication changes were observed for 10 patients. The stopping of medication (mostly preventive) was particularly observed in patients who prioritised ‘reducing other symptoms’ as most important.

Conclusion

Using an OPT leads mainly to the stopping of medication. Medication changes appeared to be easiest for patients who prioritised ‘reducing other symptoms’ as most important.

Polypharmacy in Zoological Medicine

Polypharmacy is a term that describes the inappropriate, concurrent use of multiple drugs in an individual patient. Zoological medicine practitioners must take approved agents (veterinary or human) and extrapolate their use to non-approved species often with little species-specific pharmacological evidence to support their decisions. When considering polypharmacy, even less information exists concerning multi-drug pharmacokinetics, pharmacodynamics, or potential drug-drug interactions in non-domestic species. Unfortunately, captive, zoological species are susceptible, just like their domestic counterparts, to chronic diseases and co-morbidities that may lead to the usage of multiple drugs. Polypharmacy is a recognized and important issue in human medicine, as well as an emerging issue for veterinarians; thus, this paper will discuss the novel, potential risks of polypharmacy in zoological medicine. Hopefully, this discussion will help bring the attention of veterinarians to this issue and serve as an interesting discussion topic for pharmacologists in general.

General practitioners' views on (long-term) prescription and use of problematic and potentially inappropriate medication for oldest-old patients-A qualitative interview study with GPs (CIM-TRIAD study)

Background

Potentially inappropriate medication (PIM) is defined as medication with uncertain therapeutic effects and/or potential adverse drug reactions outweighing the clinical benefits. The prescription rate of PIM for oldest-old patients is high despite the existence of lists of PIM (e.g. the PRISCUS list) and efforts to raise awareness. This study aims at identifying general practitioners’ views on PIM and aspects affecting the (long-term) use of PIM.

Methods

As part of the CIM-TRIAD study, we conducted semi-structured, qualitative interviews with 47 general practitioners, discussing 25 patients with and 22 without PIM (according to the PRISCUS list). The interview guideline included generic and patient-specific questions. Interviews were digitally recorded and transcribed verbatim. We content analyzed the interviews using deductive and inductive category development.

Results

The majority of the general practitioners were not aware of the PRISCUS list. Agents deemed potentially inappropriate from the general practitioners’ point of view and the PRISCUS list are not completely superimposable. General practitioners named their criteria to identify appropriate medication for elderly patients (e.g. renal function, cognitive state) and emphasized the importance of monitoring.

We identified prescription- (e.g. benzodiazepines on alternative private prescription), medication- (e.g. subjective perception that PIM has no alternative), general practitioner- (e.g. general practitioner relies on specialists), patient- (e.g. “demanding high-user”, positive subjective benefit-risk-ratio) and system-related aspects (e.g. specialists lacking holistic view, interface problems) related to the (long term) use of PIM.

Conclusions

While the PRISCUS list does not seem to play a decisive role in general practice, general practitioners are well aware of risks associated with PIM. Our study identifies some starting points for a safer handling of PIM, e.g. stronger dissemination of the PRISCUS list, better compensation of medication reviews, “positive lists”, adequate patient information, multifaceted interventions and improved communication between general practitioners and specialists.

Electronic supplementary material

The online version of this article (doi:10.1186/s12875-017-0595-3) contains supplementary material, which is available to authorized users.