Evangelidis, N; Tong, A; Manns, B; Hemmelgarn, B; Wheeler, D; Tugwell, P; Crowe, S; ... Craig, J; + view all Evangelidis, N; Tong, A; Manns, B; Hemmelgarn, B; Wheeler, D; Tugwell, P; Crowe, S; Harris, T; Van Biesen, W; Winkelmayer, W; Sautenet, B; O'Donaghue, D; Tam-Tham, H; Youssouf, S; Mandayam, S; Ju, A; Hawley, C; Pollock, C; Harris, D; Johnson, D; Rifkin, D; Tentori, F; Agar, J; Polkinghorne, K; Gallagher, M; Kerr, P; Mcdonald, S; Howell, M; Craig, J; - view fewer (2016) Developing a Set of Core Outcomes for Trials in Haemodialysis: An International Delphi Survey. In: (Proceedings) The 15th Asian Pacific Congress of Nephrology (APCN) and 52nd ANZSN ASM, 17–21 September 2016, Perth Convention and Exhibition Centre, Western Australia. (pp. p. 119). Wiley-Blackwell

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Abstract

AIM: To generate a consensus-based, prioritized list of core outcomes for trials in haemodialysis. BACKGROUND: Survival and quality of life for patients on haemodialysis remain poor despite substantial research efforts. Existing trials often report surrogate outcomes that may not be relevant to patients and clinicians. A core outcome set that reflects stakeholder priorities would improve the relevance, efficiency, and comparability of haemodialysis trials. METHODS: In an online Delphi survey, participants rated the importance of outcomes using a 9-point Likert scale. In Round 2 and 3, participants reviewed the scores and comments of other respondents and re-rated the outcomes. For each outcome, we calculated the median, mean, and proportion rating 7-9 (“critically important”). RESULTS: 1,181 participants (202 [17%] patients/caregivers, 979 health professionals) from 73 countries completed Round 1 and 838 (150 [18%] patients/caregivers) completed Round 3 (71% response rate). Outcomes achieving consensus as high priorities across both groups were: vascular access complications, cardiovascular disease, mortality, dialysis adequacy and fatigue. Patients/caregivers rated four outcomes higher than health professionals: ability to travel (mean difference 0.9), dialysis-free time (0.5), dialysis adequacy (0.3), and washed out after dialysis (0.2). Health professionals rated 11 outcomes higher: mortality (1.0), hospitalization (1.0), drop in blood pressure (1.0), vascular access complications (0.9), depression (0.9), cardiovascular disease (0.8), target weight (0.7), infection (0.4), potassium (0.4), ability to work (0.3), and pain (0.3). CONCLUSIONS: The top stakeholder prioritized outcomes were vascular access problems, cardiovascular disease, mortality, dialysis adequacy and fatigue. Patients/caregivers gave higher priority to lifestyle-related outcomes than health professionals. This prioritized set of outcomes can inform the establishment of a core outcome set, to improve the value of trial evidence to support decision-making for people on haemodialysis.

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