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Introduction: A new generation of hemodialysis (HD) membranes called medium cut-off (MCO) membranes possesses enhanced capacities for middle molecule clearance, which have been associated with adverse outcomes in this population. These improvements could potentially positively impact patient-reported outcomes (PROs)., Objective: The objective of this study was to evaluate the impact of MCO membranes on PROs in a cohort of HD patients in Colombia., Methods: This was a prospective, multicenter, observational cohort study of 992 patients from 12 renal clinics in Colombia who were switched from high-flux HD to MCO therapy and observed for 12 months. Changes in Kidney Disease Quality of Life 36-Item Short Form Survey (KDQoL-SF36) domains, Dialysis Symptom Index (DSI), and restless legs syndrome (RLS) 12 months after switching to MCO membranes were compared with time on high-flux membranes. Repeated measures of ANOVA were used to evaluate changes in KDQoL-SF36 scores; severity scoring was used to assess DSI changes over time; Cochran's Q test was used to evaluate changes in frequency of diagnostic criteria of RLS., Results: During 12 months of follow-up, 3 of 5 KDQoL-SF36 domains improved compared with baseline: symptoms (p < 0.0001), effects of kidney disease (p < 0.0001), and burden of kidney disease (p < 0.001). The proportion of patients diagnosed with RLS significantly decreased from 22.1% at baseline to 10% at 12 months (p < 0.0001). No significant differences in the number of symptoms (DSI, p = 0.1) were observed, although their severity decreased (p = 0.009)., Conclusions: In conventional HD patients, the expanded clearance of large middle molecules with MCO-HD membranes was associated with higher health-related quality of life scores and a decrease in the prevalence of RLS., (© 2020 The Author(s)Published by S. Karger AG, Basel.)

Background: Recognition of the discrepancy between the research priorities of patients and health professionals has prompted efforts to involve patients as active contributors in research activities, including scientific conferences. However, there is limited evidence about the experience, challenges, and impacts of patient involvement to inform best practice. This study aims to describe patient and health professional perspectives on patient involvement at the Congress of the International Society for Peritoneal Dialysis (ISPD)., Methods: Semi-structured interviews were conducted with 14 patients/caregivers and 15 health professionals from six countries who attended ISPD. Interviews were recorded and transcribed verbatim, and transcripts were analyzed thematically., Results: We identified four themes: protecting and enhancing scientific learning (grounding science in stories, sharing and inspiring new perspectives, distilling the key messages of research presentations, striking a balance between accommodating patients and presenting the science); democratizing access to research (redistributing power, challenging the traditional ownership of knowledge, cultivating self-management through demystifying research); inadequate support for patient/caregiver delegates (lacking purposeful inclusion, challenges in interpreting research findings, soliciting medical advice, difficulty negotiating venue and program, limited financial assistance in attending); and amplifying impact beyond the room (sparking innovation in practice, giving patients and families hope for the future)., Conclusions: Patient involvement at the ISPD Congress clarified the applicability of research to patient care and self-management, democratized science, and strengthened the potential impact of research. More structured support for patients to help them purposefully articulate their experience in relation to session objectives may enhance their contribution and their own learning experience.