Publications by authors named "Chapron A"

Background: Diabetes self-management (DSM) helps people with diabetes to become actors in their disease. Deprived populations are particularly affected by diabetes and are less likely to have access to these programmes. DSM implementation in primary care, particularly in a multi-professional primary care practice (MPCP), is a valuable strategy to promote care access for these populations.

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  • The French Ministry of Health gives money each year for medical research projects, focusing more on primary care since 2013.
  • A study looked at 1,796 funded projects from 2013 to 2019 to find out how many were about primary care.
  • They found only 49 primary care projects, which is just 2.7% of all projects, and this number hasn’t changed much over the years.
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Background: Leptospirosis is a zoonotic disease. It is particularly prevalent in tropical countries and has major consequences for human and animal health. In Benin, the disease's epidemiology remains poorly understood, especially in livestock, for which data are lacking.

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Objectives: The trial aimed to compare the pain perceived by women during intrauterine device (IUD) insertion, with or without virtual reality (VR) therapy. Furthermore, anxiety during the insertions, pain after the insertions, and satisfaction with the insertions were compared.

Methods: The trial was designed as a prospective, bi-centric, randomized, open-label interventional trial.

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Background: In France, rural general practitioner (GP) numbers could reduce by 20% between 2006 and 2030 if no measures are taken to address primary care access difficulties. In countries such as Australia, the USA and Canada, intrinsic and extrinsic factors associated with GPs practising in rural areas include rural upbringing and rural training placements. However, the health systems and rural area definition differ between these countries and France making result extrapolation difficult.

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  • Chronic obstructive pulmonary disease (COPD) is often underdiagnosed worldwide, prompting a study to see if using GOLD questions could help identify new cases in primary care settings in France.
  • The study involved 47 general practitioners who enrolled 3,162 patients aged 40-80 over four months, examining the effectiveness of four different approaches, including standard care and various methods involving GOLD questions and COPD coordination.
  • Results showed that all new COPD cases (0.8%) were found in the intervention groups, with COPD coordination significantly improving detection rates, highlighting the need for effective strategies to find COPD cases in primary care globally.
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In France, most spirometries are performed by pneumologists. Spirometry is difficult to access due to the distance to medical office and long delays for appointments. This lack of accessibility contributes to the underdiagnosis of chronic obstructive pulmonary disease (COPD) among patients aged between 40 and 75 years.

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Background: Dose modification of renally secreted drugs in patients with chronic kidney disease (CKD) has relied on serum creatinine concentration as a biomarker to estimate glomerular filtration (GFR) under the assumption that filtration and secretion decline in parallel. A discrepancy between actual renal clearance and predicted renal clearance based on GFR alone is observed in severe CKD patients with tenofovir, a compound secreted by renal OAT1/3. Uremic solutes that inhibit OAT1/3 may play a role in this divergence.

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Aim: During an exercise-related sudden cardiac arrest, bystander automated external defibrillator use occurred in a median of 31%. The present study conducted in France evaluated the feasibility and impact of a brief intervention by general practitioners (GPs) to increase awareness about first aid/CPR training among amateur sportspeople.

Methods: In 2018, 49 French GPs proposed a brief intervention to all patients who attended a consultation in order to obtain a medical certificate attesting their fitness to participate in sports.

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Patients with chronic cough experience major alteration in their quality of life. Given its numerous etiologies and treatments, this disease is a complex entity. To help clinicians involved in patient management of patients, guidelines have been issued by a group of French experts.

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Background: The physician--patient relationship plays a critical role in the quality of primary care management. The generalised wearing of surgical masks in enclosed spaces - common during the COVID-19 pandemic -- could change the communication between patients and healthcare professionals.

Objectives: To assess how general practitioners (GPs) and patients feel about wearing masks during a consultation and its influences on physician--patient relationship.

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  • Prolonged exposure to agricultural activities, especially in dairy farming, is linked to a higher prevalence of asthma, with this study finding an 8.9% active asthma rate among 1203 dairy farmers.
  • Risk factors identified include a strong family history of allergy, personal history of eczema, and hay manipulation, while larger farm areas and handling treated seeds seemed to lower the risk.
  • The findings suggest that asthma among dairy farmers is slightly more common than in the general population, and adjusting work environments to limit exposure to airborne pollutants could help manage this issue.
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Clinical research in outpatient healthcare, particularly in general practice, which is the first line of contact with the population, is now a public health issue. However, this type of research has specific characteristics that differentiate it from clinical research conducted in a hospital setting and requires an adaptation of its conditions of practice: in terms of organisation, the development of research in outpatient healthcare relies on the appropriation of its fundamentals by the investigators, which implies their presentation, upstream, from the initial cycle, and the participation of practitioners in training modules adapted to research in primary care, such as those already organised by several GIRCI (Groupement Inter régional de la Recherche Clinique et de l'Innovation [French Interregional Clusters for Clinical Research and Innovation]). To compensate for the fragmented nature of their location, on the model of the EMRCs (équipes mobiles de recherche clinique [mobile clinical research teams]) in oncology, mobile research teams should enable general medical practices to participate in clinical trials.

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Introduction: Hypnotherapy is increasingly used in general medicine in France to manage health problems such as insomnia. There is some evidence to support the efficacy of hypnosis in treating insomnia but this evidence is based on methodologies of various strengths. This review aims to explore the methodological elements employed in hypnotherapy research to manage insomnia.

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Opioid overdose, dependence, and addiction are a major public health crisis. Patients with chronic kidney disease (CKD) are at high risk of opioid overdose, therefore novel methods that provide accurate prediction of renal clearance (CL) and systemic disposition of opioids in CKD patients can facilitate the optimization of therapeutic regimens. The present study aimed to predict renal clearance and systemic disposition of morphine and its active metabolite morphine-6-glucuronide (M6G) in CKD patients using a vascularized human proximal tubule microphysiological system (VPT-MPS) coupled with a parent-metabolite full body physiologically-based pharmacokinetic (PBPK) model.

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Objective: The aim of the study was to determine the trend of first blood prostate-specific antigen (PSA) test prescription in France between 2011 and 2017, based on the assumption that prostate cancer (PCa) screening is expected to decline over the years.

Method: Using a representative sample of the French population from the French Health Insurance database, we identified 50-52-year-old men without PCa and without any blood PSA test in the five years before 2011, 2014 and 2017 (January 1-December 31 of each year). For each of these three years, the primary outcome was the first reimbursement of a blood PSA test.

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Developmental changes that occur throughout childhood have long been known to impact drug disposition. However, pharmacokinetic studies in the paediatric population have historically been limited due to ethical concerns arising from incorporating children into clinical trials. As such, much of the early work in the field of developmental pharmacology was reliant on difficult-to-interpret in vitro and in vivo animal studies.

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Background: Targeted Therapies (TT) are among the therapeutic innovations for cancer treatment in outpatient settings. TT-related Adverse Events (AEs) are a source of loss of opportunity for patients if their management is inappropriate.

Objectives: The objective of this study was to describe the AE frequency and severity as reported by patients with cancer who received TT in ambulatory settings.

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Introduction: Established in France since 2018, the Student Health Service aims to train students to become actors in health education.

Methods And Results: A teaching system lasting the equivalent of six weeks full-time has been set up in the third year of medical school in Rennes. The aim is for students to develop the skills needed to carry out interventions based on a project approach, with a variety of audiences, on priority public health themes.

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Background: Diabetes self-management education (DSME) is an effective intervention for patients with type 2 diabetes mellitus (T2DM); nevertheless, patient participation in this type of programme is low. Implementation of DSME programmes in primary care practices by the local multi-professional team is a potential strategy to improve access to DSME for T2DM patients. The aim of this study was to identify perceived facilitators and barriers by patients to participation in local DSME delivered by primary care professionals in France.

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A vascularized human proximal tubule model in a dual-channel microphysiological system (VPT-MPS) was developed, representing an advance over previous, single-cell-type kidney microphysiological systems. Human proximal tubule epithelial cells (PTECs) and human umbilical vein endothelial cells (HUVECs) were cocultured in side-by-side channels. Over 24 h of coculturing, PTECs maintained polarized expression of Na/K ATPase, tight junctions (ZO-1), and OAT1.

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Our ability to predict the impact of mutations on traits relevant for disease and evolution remains severely limited by the dependence of their effects on the genetic background and environment. Even when molecular interactions between genes are known, it is unclear how these translate to organism-level interactions between alleles. We therefore characterized the interplay of genetic and environmental dependencies in determining fitness by quantifying ~4000 fitness interactions between expression variants of two metabolic genes, starting from various environmentally modulated expression levels.

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Objectives: People at risk of chronic obstructive pulmonary disease (COPD) can benefit from appropriate medical management before severe symptoms appear. This study assesses the value of the COPD Assessment Test (CAT) questionnaire for screening dairy farmers, who tend to be slow or reluctant to seek health care.

Methods: During the time period 2012-2017, 2089 randomly selected dairy farmers in Brittany (France) were invited to complete self-administered questionnaires (including the CAT) and to undergo an occupational health check-up using an electronic mini-spirometer and conventional spirometry.

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