International quotidian dialysis registry: Annual report 2010
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The International Quotidian Dialysis Registry (IQDR) is a global initiative designed to study practices and outcomes associated with the use of hemodialysis (HD) regimens of increased frequency and/or duration. The IQDR grew out of the initiative that lead to the randomized prospective studies of nocturnal HD and short hours daily dialysis vs. conventional thrice weekly HD that are conducted by the Frequent Hemodialysis Network sponsored by the National Institutes of Health. These 2 separate studies are drawing to a close and the first results are expected to be reported later this year. These studies use surrogate outcomes for their primary endpoints as they are not powered to look at outcomes of mortality and hospitalization. The IQDR attempts to aggregate long-term follow-up data from centers utilizing alternative HD regimens worldwide and will have adequate statistical power to examine those important outcomes. To date, the IQDR has enrolled patients from Canada, the United States, Australia, New Zealand, and France and has linked with commercial databases and national registries. This sixth annual report of the IQDR describes: (1) An update on the governance structure; (2) The recommendations made at the first general meetings of the IQDR Scientific Committee and Advisory Board; (3) The status of those recommendations; (4) A summary of current data sources and participating registries; (5) The status of recruitment to date; (6) The creation of a specific Canadian IQDR data set and; (7) The current research agenda.
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