{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,9,23]],"date-time":"2025-09-23T13:46:00Z","timestamp":1758635160384,"version":"3.37.3"},"reference-count":38,"publisher":"Oxford University Press (OUP)","issue":"8","license":[{"start":{"date-parts":[[2020,12,26]],"date-time":"2020-12-26T00:00:00Z","timestamp":1608940800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"funder":[{"name":"Bone and Mineral Research Unit"},{"name":"European Renal Association\u2013European Dialysis and Transplant Association"},{"DOI":"10.13039\/501100004587","name":"Instituto de Salud Carlos III","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100004587","id-type":"DOI","asserted-by":"publisher"}]},{"name":"ISCIII Retic REDinREN","award":["RD06\/0016\/1013","RD12\/0021\/0023","RD16\/0009\/0017"],"award-info":[{"award-number":["RD06\/0016\/1013","RD12\/0021\/0023","RD16\/0009\/0017"]}]},{"DOI":"10.13039\/501100004587","name":"ISCIII","doi-asserted-by":"publisher","award":["ICI14\/00107","PI17\/00384","PI20\/00633"],"award-info":[{"award-number":["ICI14\/00107","PI17\/00384","PI20\/00633"]}],"id":[{"id":"10.13039\/501100004587","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100008530","name":"Fondo Europeo de Desarrollo Regional","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100008530","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2021,7,29]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:sec>\n                  <jats:title>Background<\/jats:title>\n                  <jats:p>Besides advances in haemodialysis (HD), mortality rates are still high. The effect of the different types of HD membranes on survival is still a controversial issue. The aim of this COSMOS (Current management Of Secondary hyperparathyroidism: a Multicentre Observational Study) analysis was to survey, in HD patients, the relationship between the use of conventional low- or high-flux membranes and all-cause and cardiovascular mortality.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Methods<\/jats:title>\n                  <jats:p>COSMOS is a multicentre, open-cohort, 3-year prospective study, designed to evaluate mineral and bone disorders in the European HD population. The present analysis included 5138 HD patients from 20 European countries, 3502 randomly selected at baseline (68.2%), plus 1636 new patients with &amp;lt;1\u2009year on HD (31.8%) recruited to replace patients who died, were transplanted, switched to peritoneal dialysis or lost to follow-up by other reasons. Cox-regression analysis with time-dependent variables, propensity score matching and the use of an instrumental variable (facility-level analysis) were used.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Results<\/jats:title>\n                  <jats:p>After adjustments using three different multivariate models, patients treated with high-flux membranes showed a lower all-cause and cardiovascular mortality risks {hazard ratio (HR) = 0.76 [95% confidence interval (CI) 0.61\u20130.96] and HR = 0.61 (95% CI 0.42\u20130.87), respectively}, that remained significant after matching by propensity score for all-cause mortality (HR = 0.69, 95% CI 0.52\u20130.93). However, a facility-level analysis showed no association between the case-mix-adjusted facility percentage of patients dialysed with high-flux membranes and all-cause and cardiovascular mortality.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Conclusions<\/jats:title>\n                  <jats:p>High-flux dialysis was associated with a lower relative risk of all-cause and cardiovascular mortality. However, dialysis facilities using these dialysis membranes to a greater extent did not show better survival.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1093\/ckj\/sfaa233","type":"journal-article","created":{"date-parts":[[2020,11,4]],"date-time":"2020-11-04T12:11:21Z","timestamp":1604491881000},"page":"1915-1923","source":"Crossref","is-referenced-by-count":6,"title":["Survival with low- and high-flux dialysis"],"prefix":"10.1093","volume":"14","author":[{"given":"Emilio","family":"S\u00e1nchez-\u00c1lvarez","sequence":"first","affiliation":[{"name":"Department of Nephrology, Hospital Universitario de Cabue\u00f1es, REDinREN del ISCIII, Gij\u00f3n, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Minerva","family":"Rodr\u00edguez-Garc\u00eda","sequence":"additional","affiliation":[{"name":"Department of Nephrology, REDinREN del ISCIII, Hospital Universitario Central de Asturias, Oviedo, 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B","family":"Cannata-And\u00eda","sequence":"additional","affiliation":[{"name":"Bone and Mineral Research Unit, Instituto de Investigaci\u00f3n Sanitaria del Principado de Asturias (ISPA), REDinREN del ISCIII, Hospital Universitario Central de Asturias, Universidad de Oviedo, Oviedo, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3455-1778","authenticated-orcid":false,"given":"Jos\u00e9 L","family":"Fern\u00e1ndez-Mart\u00edn","sequence":"additional","affiliation":[{"name":"Department of Nephrology and Dialysis, Sestre Milosrdnice University Hospital, Zagreb, Croatia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"name":"the COSMOS group","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jos\u00e9 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