Publications by authors named "Ayav C"

Interprofessional working must be approached within health promotion interventions using systematic methods to identify areas of suboptimal collaboration. We designed a qualitative study with a purposive sample of seven French therapeutic patient education programs. Semi-structured individual interviews were conducted with 14 healthcare providers and seven clinician leaders (coordinators) involved in patient education.

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Background: Therapeutic patient education interventions are influenced by contextual factors. Therefore, describing the context is crucial to understanding how it can affect therapeutic patient education interventions and contribute to outcomes. We aimed to identify the contextual features that may affect the outcome and sustainability of therapeutic patient education interventions from a healthcare professional perspective.

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Article Synopsis
  • The study investigates the impact of continuing or discontinuing immunosuppressive therapy (IT) after kidney allograft failure (KAF) on HLA-sensitization and patient mortality.
  • It analyzes data from the French national registry, including 121 patients who returned to dialysis post-KAF, comparing those who continued IT with those who stopped it.
  • Results indicate that continuing IT tends to lead to lower HLA-sensitization rates without increasing mortality risk among patients.
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  • The REIN (French Renal Epidemiology and Information Network) marks its 20th anniversary by highlighting key contributions from the national ESKD (End-Stage Kidney Disease) register.
  • The information system used by REIN supports data management throughout its life cycle, featuring dedicated tools for both dialysis and transplantation accessible online.
  • Enhanced data quality control measures and various reporting tools, including a geographic information system, are also integral components of the REIN information system.
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Article Synopsis
  • The REIN registry, celebrating its 20th anniversary, has significantly contributed to the understanding of ESKD (End-Stage Kidney Disease) in France and has integrated into the broader network of European registries.
  • It has participated in various international research projects funded by the European Commission, highlighting its impactful role in renal epidemiology.
  • Additionally, the expertise of REIN and the Agency of Biomedicine has been sought for developing registries of replacement therapies, and the program has attracted foreign students for collaboration and training.
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Article Synopsis
  • The REIN (French Renal Epidemiology and Information Network) celebrated its 20th anniversary by summarizing its contributions to monitoring end-stage kidney disease (ESKD) in France.
  • The health crisis highlighted the registry's adaptability, allowing it to quickly track and report the number of dialysis patients infected with SARS-Cov-2 starting from March 30, 2020.
  • REIN has proven to be a crucial tool for decision support and health monitoring, showcasing its strategic importance during times of crisis.
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On the occasion of the 20th anniversary of the REIN (French Renal Epidemiology and Information Network), a summary work on the contributions of the national French ESKD register was carried out. On the issue of patients’ perspectives, the following key messages were retained. As shown by the SONG (Standardised Outcomes in Nephrology) initiative, the criteria for judging the dialysis treatment that patients and care-givers prefer are not those that are traditionally found in published studies.

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Background: The pre-dialysis care trajectory impact on post-dialysis outcomes is poorly known. This study assessed survival, access to kidney transplant waiting list and to transplantation after dialysis initiation by taking into account the patients' pre-dialysis care consumption (inpatient and outpatient) and the conditions of dialysis start: initiation context (emergency or planned) and vascular access type (catheter or fistula).

Methods: Adults who started dialysis in France in 2015 were included.

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Objectives: The transition from chronic kidney disease (CKD) to kidney failure requiring kidney replacement therapy (KRT; i.e., dialysis or transplantation) to sustain life is a stressful event for patients.

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We investigated the shape of the relationship between longitudinal uric acid (UA) and the hazard of kidney failure and death in chronic kidney disease (CKD) patients, and attempted to identify thresholds associated with increased hazards. We included CKD stage 3-5 patients from the CKD-REIN cohort with one serum UA measurement at cohort entry. We used cause-specific multivariate Cox models including a spline function of current values of UA (cUA), estimated from a separate linear mixed model.

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Background: Chronic kidney disease (CKD) is associated with cognitive impairment in general population. We assessed the association between kidney and cognitive functions in patients with CKD and the influence of cardiovascular (CV) risk factors, and depression on this association.

Methods: The CKD-Renal Epidemiology and Information Network cohort included 3033 patients with CKD stages 3-4, followed for 5 years.

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Background And Objectives: Late stages of CKD are characterized by significant symptom burden. This study aimed to identify subgroups within the 5-year trajectories of symptom evolution in patients with CKD and to describe associated patient characteristics and outcomes.

Design, Setting, Participants, & Measurements: Among 2787 participants (66% men) with eGFR <60 ml/min per 1.

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Background: Little is known about psychological issues in patients with chronic kidney disease (CKD) facing transition to kidney failure and the involvement of their family in decision-making about kidney replacement therapy (KRT). This study investigated patients' experience of their illness, their views on KRT choice and their perception of the influence of their relatives.

Methods: We conducted a qualitative study nested in the CKD-REIN prospective cohort study which included non-dialysis CKD patients from 40 nationally representative nephrology clinics.

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Background: Although the iatrogenic risk of kidney failure is infrequent with treatment for inflammatory bowel disease (IBD), the repercussions for the patient could be major. The aim of this study was to assess the incidence of kidney events in IBD and to examine the protective effect of kidney function monitoring. Methods: In the French National Health Insurance database, 94,363 patients had a diagnosis of IBD between January 2010 and December 2016.

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Background And Objectives: Dialysis patients have a high mortality risk after coronavirus disease 2019 (COVID-19) and an altered immunologic response to vaccines, but vaccine clinical effectiveness remains unknown in this population.

Design, Setting, Participants, & Measurements: Using Bayesian multivariable spatiotemporal models, we estimated the association between vaccine exposure and severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) severe infections (with hospital admission) in dialysis patients from simultaneous incidence in the general population. For dialysis patients, cases were reported within the French end-stage kidney disease REIN registry from March 11, 2020, to April 29, 2021, and vaccine exposure (first dose) was reported in weekly national surveys since January 2021.

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Background: Conservative care is increasingly considered an alternative to kidney replacement therapy for kidney failure management, mostly among the elderly. We investigated its status and the barriers to its implementation from patients' and providers' perspectives.

Methods: We analysed data from 1204 patients with advanced chronic kidney disease (CKD) [estimated glomerular filtration rate (eGFR) <30 mL/min/1.

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Objectives: Therapeutic patient education improves numerous health and psychological outcomes in patients with chronic diseases. However, little is known about what makes a therapeutic patient education intervention more effective than another one. This study aims to identify in healthcare professionals the perceived determinants of therapeutic patient education efficacy at the individual level.

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Objectives: Renin-angiotensin system inhibitors (RASi) are recommended for slowing chronic kidney disease (CKD) progression to kidney failure. Their effectiveness and tolerance as patients age remain uncertain because older patients have often been excluded from clinical trials.

Design: CKD-REIN cohort study.

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Background: Tailoring therapeutic education consists of adapting the intervention to patients' needs with the expectation that this individualization will improve the results of the intervention. Communication is the basis for any individualization process. To our knowledge, there is no guide or structured advice to help healthcare providers (HCPs) tailor patient education interventions.

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Background: Acute-on-chronic kidney disease (ACKD) is poorly understood and often overlooked. We studied its incidence, circumstances, determinants and outcomes in patients with CKD.

Methods: We used the Kidney Disease: Improving Global Outcomes criteria to identify all-stage acute kidney injury (AKI) events in 3033 nephrology outpatients with CKD Stages 3-5 participating in the CKD-Renal Epidemiology and Information Network cohort study (2013-20), and cause-specific Cox models to estimate hazard ratios [HRs; 95% confidence intervals (CIs)] of AKI-associated risk factors.

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Background: To be able to assess the impact of the bundled payment system on real-life management of patients with chronic kidney disease, an overview of patient-care management before its implementation is needed.

Patients And Methods: We describe patterns of nephrology care over 3 years in 2835 patients with moderate to severe chronic kidney disease, who were followed-up from 2013 to 2019 in the CKD-REIN cohort study. Compliance with health authority guidelines during this period is also studied.

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We assessed the risks of bleeding, acute kidney injury (AKI), and kidney failure associated with the prescription of antithrombotic agents (oral anticoagulants and/or antiplatelet agents) in patients with moderate-to-advanced chronic kidney disease (CKD). CKD-REIN is a prospective cohort of 3022 nephrology outpatients with CKD stages 2-5 at baseline. We used cause-specific Cox proportional hazard models to estimate hazard ratios (HRs) for bleeding (identified through hospitalizations), AKI, and kidney failure.

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Context And Objectives: Since 2001, the aim of the REIN registry has been to identify patients suffering from end-stage renal disease and benefiting from replacement therapy in France. The analysis of trajectories aims to evaluate the flow of patients between the different types of treatment in order to better understand and predict patient pathways. The objective of this study was to analyse the incoming and outgoing flows at 1 year of patients prevalent in the REIN registry on 12/31/2017.

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Despite national guidelines, medical practices and kidney transplant waiting list registration policies may differ from one dialysis/transplant unit to another. Benefit risk assessment variations, especially for elderly patients, have also been described. The aim of this study was to identify sources of variation in early kidney transplant waiting list registration in France.

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