[Impact of an intervention on the practice of venous thromboprophylaxis recommendations in a geriatric setting.] / Intervention sur la pratique des recommandations de thromboprophylaxie veineuse.

The practice of prevention of venous thromboembolic disease in hospitalized elderly patients does not comply with published recommendations, in 30% of cases. The objective of this study was to evaluate the impact of recalling the recommendations on the venous thromboprophylaxis.

Acceptability of oral liquid pharmaceutical products in older adults: palatability and swallowability issues.

BACKGROUND: In institutional care, oral liquid pharmaceutical products are widely prescribed for older patients, especially for those with swallowing disorders. As medicines acceptability is a key factor for compliance in the older population, this study investigated the acceptability of oral liquid pharmaceutical products in this targeted population. METHODS: An observational, multicenter, prospective study was conducted in eight geriatric hospitals and eight nursing homes in France. Observers reported several behaviours/events describing the many aspects of acceptability for various pharmaceutical products' uses in patients aged 65 and older. Acceptability scores of oral liquid pharmaceutical products were obtained using an acceptability reference framework (CAST - ClinSearch Acceptability Score Test®): a 3D-map summarizing the different users' behaviors, with two clusters defining the positively and negatively accepted profiles materialized by the green and red zones, respectively. RESULTS: Among 1288 patients included in the core study and supporting the acceptability reference framework, 340 assessments were related to the administration of an oral liquid pharmaceutical product. The mean age of these patients was 87 (Range [66-104y]; SD = 6.7), 68% were women and 16% had swallowing disorders. Globally, the oral liquid pharmaceutical products were classified as "positively accepted," the barycenter of the 340 assessments, along with the entire confidence ellipses surrounding it, were positioned on the green zone of the map. Sub-populations presenting a different acceptability profile have also been identified. For patients with swallowing disorders, the oral liquid pharmaceutical products were classified as "negatively accepted," the barycenter of the 53 assessments along with 87% of its confidence ellipses were associated with this profile. A gender difference was observed for unflavored oral liquids. In women, they were classified "negatively accepted," the barycenter of the 68 assessments with 75% of its confidence ellipses were located in the red zone, while they were classified "positively accepted" in men. CONCLUSION: This study showed that oral liquid pharmaceutical products are a suboptimal alternative to solid oral dosage forms in patients with swallowing disorders. To ensure an optimal acceptability, prescribers should also consider the presence of a taste-masker in these oral liquids. As highlighted herein, palatability remains crucial in older populations, especially for women.

[Assessment of medication prescribing in a geriatric follow-up care and rehabilitation]. / Évaluation de la prescription médicamenteuse dans un service de SSR gériatrique.

The aim of the study was to analyse the prescriptions and identify the factors associated with inappropriate prescribing (IP) and polypharmacy. Polypharmacy and IP concerned 80% of the 54 patients included in the study upon admission, and 78% upon discharge without a statistically significant reduction. A critical analysis of prescriptions would help to reduce inappropriate prescribing and polypharmacy in elderly patients.

A Decision Support Tool Facilitating Medicine Design for Optimal Acceptability in The Older Population.

PURPOSE: Medicine acceptability, which is of the utmost importance for vulnerable patients' adherence, is driven by both user and product characteristics. Herein, a novel multivariate approach integrating the many aspects of acceptability is used to discriminate positively and negatively accepted medicines in the older population. METHODS: An observational study was carried out in eight hospitals and eight nursing homes to collect a large set of real-life data on medicines uses in older patients (≥65 years). Mapping and clustering explored these multiple observational measures and summarised the main information into an intelligible reference framework. Resampling statistics were used to validate the model's reliability. RESULTS: A three-dimensional map and two clusters defining acceptability profiles, as positive or negative, emerged from the 1079 evaluations. Factors of interest (medicines, user features…) were positioned on the map at the barycentre of their evaluations and assigned to an acceptability profile. Focusing on patients' ability to swallow, we have highlighted the tool's efficacy in demonstrating the impact of user features on medicine acceptability. CONCLUSIONS: This multivariate approach provides a relevant judgement criterion for this multi-dimensional concept. Facilitating the choice of the most appropriate dosage form to achieve optimal acceptability in a targeted population, this tool is of real potential to improve clinical decisions.

[Physicians and advance directives in geriatric setting]. / Les médecins et les directives anticipées dans un centre hospitalier gériatrique.

Advance directives (AD) are not sufficiently applied in geriatric setting despite their widespread dissemination since the publication of Claeys-Leonetti law. The aim of this study was to analyze geriatricians' knowledge of the concept of AD and to evaluate their practices in the process of patient information and AD collection.

Predicting Frailty and Geriatric Interventions in Older Cancer Patients: Performance of Two Screening Tools for Seven Frailty Definitions-ELCAPA Cohort.

Screening tools have been developed to identify patients warranting a complete geriatric assessment (GA). However, GA lacks standardization and does not capture important aspects of geriatric oncology practice. We measured and compared the diagnostic performance of screening tools G8 and modified G8 according to multiple clinically relevant reference standards. We included 1136 cancer patients ≥ 70 years old referred for GA (ELCAPA cohort; median age, 80 years; males, 52%; main locations: digestive (36.3%), breast (16%), and urinary tract (14.8%); metastases, 43.5%). Area under the receiver operating characteristic curve (AUROC) estimates were compared between both tools against: (1) the detection of ≥1 or (2) ≥2 GA impairments, (3) the prescription of ≥1 geriatric intervention and the identification of an unfit profile according to (4) a latent class typology, expert-based classifications from (5) Balducci, (6) the International Society of Geriatric Oncology task force (SIOG), or using (7) a GA frailty index according to the Rockwood accumulation of deficits principle. AUROC values were ≥0.80 for both tools under all tested definitions. They were statistically significantly higher for the modified G8 for six reference standards: ≥1 GA impairment (0.93 vs. 0.89), ≥2 GA impairments (0.90 vs. 0.87), ≥1 geriatric intervention (0.85 vs. 0.81), unfit according to Balducci (0.86 vs. 0.80) and SIOG classifications (0.88 vs. 0.83), and according to the GA frailty index (0.86 vs. 0.84). Our findings demonstrate the robustness of both screening tools against different reference standards, with evidence of better diagnostic performance of the modified G8.

Genomic sequencing of SARS-CoV-2 in Rwanda reveals the importance of incoming travelers on lineage diversity.

COVID-19 transmission rates are often linked to locally circulating strains of SARS-CoV-2. Here we describe 203 SARS-CoV-2 whole genome sequences analyzed from strains circulating in Rwanda from May 2020 to February 2021. In particular, we report a shift in variant distribution towards the emerging sub-lineage A.23.1 that is currently dominating. Furthermore, we report the detection of the first Rwandan cases of the B.1.1.7 and B.1.351 variants of concern among incoming travelers tested at Kigali International Airport. To assess the importance of viral introductions from neighboring countries and local transmission, we exploit available individual travel history metadata to inform spatio-temporal phylogeographic inference, enabling us to take into account infections from unsampled locations. We uncover an important role of neighboring countries in seeding introductions into Rwanda, including those from which no genomic sequences were available. Our results highlight the importance of systematic genomic surveillance and regional collaborations for a durable response towards combating COVID-19.

Ethics committees for biomedical research in some African emerging countries: which establishment for which independence? A comparison with the USA and Canada.

CONTEXT: The conduct of medical research led by Northern countries in developing countries raises ethical questions. The assessment of research protocols has to be twofold, with a first reading in the country of origin and a second one in the country where the research takes place. This reading should benefit from an independent local ethical review of protocols. Consequently, ethics committees for medical research are evolving in Africa. OBJECTIVE: To investigate the process of establishing ethics committees and their independence. METHOD: Descriptive study of 25 African countries and two North American countries. Data were recorded by questionnaire and interviews. Two visits of ethics committee meetings were conducted on the ground: over a period of 3 months in Kigali (Rwanda) and 2 months in Washington DC (USA). RESULTS: 22 countries participated in this study, 20 from Africa and two from North America. The response rate was 80%. 75% of local African committees developed into national ethics committees. During the last 5 years, these national committees have grown on a structural level. The circumstances of creation and the general context of underdevelopment remain the major challenges in Africa. Their independence could not be ensured without continuous training and efficient funding mechanisms. Institutional ethics committees are well established in USA and in Canada, whereas ethics committees in North America are weakened by the institutional affiliation of their members. CONCLUSION: The process of establishing ethics committees could affect their functioning and compromise their independence in some African countries and in North America.

Promoting patients' rights at the end of life in a geriatric setting in France: The healthcare professionals' level of knowledge about surrogate decision-makers and advance directives.

OBJECTIVE: To assess levels of knowledge about patients' rights, surrogate decision-makers, and advance directives among healthcare professionals at three hospitals in France. METHODS: A multicenter, cross-sectional study in three geriatric hospitals in the Paris area (France) in 2015. The participants' level of knowledge was assessed via an 18-item self-questionnaire on surrogate decision-makers, advance directives, and end-of-life decision-making. The characteristics associated with a good level of knowledge were assessed using logistic regression. RESULTS: Among the 301 healthcare professionals (median ± standard deviation age: 40.4 ± 10.2 years; women: 73.4 %), only 15.0 % (95 % confidence interval (CI): [19.7-29.5]) correctly answered at least 75 % of the questions on patients' rights. Respectively 24.6 % [19.7-29.5], 36.5 % [31.1-42.0] and 37.5 % [32.0-43.0] had sufficient knowledge regarding "surrogate decision-maker", "advance directives", and "decision-making at the end of life". In a multivariable analysis, the only factor significantly associated with a good level of knowledge about end-of-life policy was employment in a university hospital, with a non-significant trend for status as a physician. CONCLUSIONS: Our survey of staff working in geriatric care units highlighted the poor overall level of knowledge about healthcare surrogates and advance directives; the results suggest that additional training in these concepts is required. PRACTICE IMPLICATIONS: Continuing education of healthcare professionals on advance directives and surrogate decision-maker should be promoted to ensure rights of elderly patients at the end of life.

Sex Differences in Medicine Acceptability: A New Factor to Be Considered in Medicine Formulation.

Palatability is a recognized driver of medicine acceptability in pediatrics but deemed less relevant in older populations due to sensory decline. Preliminary findings from an observational study implicated palatability problems with one Alzheimer's medicine. Among 1517 observer reports combining multiple measures on medicines uses in patients aged over 64, we focused on two original formulations of memantine (Ebixa®, tablets (n = 25) and oral solution (n = 60)). Evaluations were scored with an acceptability reference framework (CAST), the rodent Brief Access Taste Aversion (BATA) model tested aversiveness. Focusing on women treated with Ebixa® (n = 54), the oral formulation sub-group was classified as "negatively accepted", while the coated tablet was associated with the "positively accepted" cluster. In men, both formulations belonged to the "positively accepted" profile. Using BATA, the original oral solution was categorized as highly aversive/untolerated while solutions of excipients only were well tolerated. Furthermore, the number of licks was significantly lower in female than in male rats. These results revealed that medicine palatability remains important for acceptability in older populations. Moreover, converging results from humans and animal models highlighted that palatability profiles can significantly vary between the sexes. These drivers should be closely considered during drug development to enhance acceptability in this population.

Prophylaxis of Venous Thromboembolism in Geriatric Settings: A Cluster-Randomized Multicomponent Interventional Trial.

OBJECTIVES: To evaluate the efficacy of an intervention on the practice of venous thromboembolism prevention. DESIGN: A multicenter, prospective, controlled, cluster-randomized, multifaceted intervention trial consisting of educational lectures, posters, and pocket cards reminding physicians of the guidelines for thromboprophylaxis use. SETTINGS: Twelve geriatric departments with 1861 beds total, of which 202, 803, and 856 in acute care, post-acute care, and long-term care wards, respectively. PARTICIPANTS: Patients hospitalized between January 1 and May 31, 2015, in participating departments. MEASUREMENTS: The primary endpoint was the overall adequacy of thromboprophylaxis prescription at the patient level, defined as a composite endpoint consisting of indication, regimen, and duration of treatment. Geriatric departments were divided into an intervention group (6 departments) and control group (6 departments). The preintervention period was 1 month to provide baseline practice levels, the intervention period 2 months, and the postintervention period 1 month in acute care and post-acute care wards or 2 months in long-term care wards. Multivariable regression was used to analyze factors associated with the composite outcome. RESULTS: We included 2962 patients (1426 preintervention and 1536 postintervention), with median age 85 [79;90] years. For the overall 18.9% rate of inadequate thromboprophylaxis, 11.1% was attributable to underuse and 7.9% overuse. Intervention effects were more apparent in post-acute and long-term care wards although not significantly [odds ratio 1.44 (95% confidence interval 0.78;2.66), P = .241; and 1.44 (0.68, 3.06), P = .345]. Adequacy rates significantly improved in the postintervention period for the intervention group overall (from 78.9% to 83.4%; P = .027) and in post-acute care (from 75.4% to 86.3%; P = .004) and long-term care (from 87.0% to 91.7%; P = .050) wards, with no significant trend observed in the control group. CONCLUSIONS/IMPLICATIONS: This study failed to demonstrate improvement in prophylaxis adequacy with our intervention. However, the intervention seemed to improve practices in post-acute and long-term care but not acute care wards.

[Use and misuse of intravenous drug administration in a department of internal medicine]. / Usage et mésusage de la voie intraveineuse pour l'administration de médicaments en médecine interne.

AIM: Numerous intravenously-administered medications are also available in equally effective oral forms. To assess the number of avoidable intravenous infusions, we retrospectively analyzed consecutive infusions prescribed in a department of internal medicine. METHODS: Between November and December 2004, we analyzed all patients who received at least one intravenous drug during hospitalization. Intravenous administration was considered unavoidable when prescribed for no more than 2 days in a patient unstable at admission, when oral administration or feeding was impossible, or when the drug was not available in oral form. RESULTS: During the study period 133 patients were admitted to the department. In all, 65 infusions were prescribed, 30% of which lasted more than 2 days for no medical reason. Four intravenous antibiotics were prescribed in patients when their antibiotic susceptibility tests indicated that another oral antibiotic could easily be given. Infusions for 16 other patients continued longer than 48 hours, although the oral route was not contraindicated in these patients and the medication was available in oral form. CONCLUSION: Systematic analysis of the daily prescriptions may be helpful in preventing or shortening use of intravenous medications and thereby decreasing iatrogenic infections and injuries, length of hospitalization, and costs.

[Evolution of patients' rights at the end of life]. / Évolution des droits de patients en fin de vie.

Since the early 1999, palliative cares were legally allowed in France. The rights of end of life'patients have been reinforced by the Kouchner law in 2002 and by the Leonetti law in 2005. During the last decade, several critical conditions of end of life showed the weaknesses of the Leonetti law however different assessments of this law recently carried out by officials, revealed that healthcare providers and general population were unfamiliar with this law. Before adopting new legislation, there is a huge need to promote palliative care and to train healthcare providers and general population to manage the last moments of end of life.