{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,8]],"date-time":"2026-10-08T20:49:25Z","timestamp":1791492565618,"version":"4.3.4"},"reference-count":35,"publisher":"Oxford University Press (OUP)","issue":"5","license":[{"start":{"date-parts":[[2026,9,22]],"date-time":"2026-09-22T00:00:00Z","timestamp":1790035200000},"content-version":"vor","delay-in-days":21,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001711","name":"Swiss National Science Foundation","doi-asserted-by":"publisher","award":["33CS30_148474"],"award-info":[{"award-number":["33CS30_148474"]}],"id":[{"id":"10.13039\/501100001711","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001711","name":"Swiss National Science Foundation","doi-asserted-by":"publisher","award":["33CS30_177520"],"award-info":[{"award-number":["33CS30_177520"]}],"id":[{"id":"10.13039\/501100001711","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001711","name":"Swiss National Science Foundation","doi-asserted-by":"publisher","award":["32473B_176178"],"award-info":[{"award-number":["32473B_176178"]}],"id":[{"id":"10.13039\/501100001711","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001711","name":"Swiss National Science Foundation","doi-asserted-by":"publisher","award":["32003B_197524"],"award-info":[{"award-number":["32003B_197524"]}],"id":[{"id":"10.13039\/501100001711","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100004362","name":"Swiss Heart Foundation","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100004362","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100007555","name":"Foundation for Cardiovascular Research Basel","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100007555","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100008375","name":"University of Basel","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100008375","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2026,9,2]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Aims<\/jats:title>\n                    <jats:p>Differences between cystatin C-based and creatinine-based glomerular filtration rate estimations (eGFRdiff) have been associated with adverse outcomes. We aimed to investigate the prevalence of eGFRdiff and its association with clinical outcomes and brain lesions in patients with atrial fibrillation (AF).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods and results<\/jats:title>\n                    <jats:p>We analysed 3804 patients with AF enrolled in two prospective, multicentre cohort studies. The eGFRdiff was calculated by \u2018cystatin C-based eGFR\u2014creatinine-based eGFR\u2019. Patients were stratified into three groups: eGFRdiff &amp;gt;10, \u221210 to 10, and &amp;lt;\u221210 mL\/min\/1.73\u202fm\u00b2. Associations with high-sensitivity troponin T (hs-TnT), NT-proBNP, major adverse cardiovascular (CV) events (stroke\/systemic embolism, myocardial infarction and CV death), first heart failure (HF) hospitalization, and magnetic resonance imaging (MRI)-detected brain lesions were assessed. The mean age was 71 years, 28% were female, and 49% had paroxysmal AF. An eGFRdiff of &amp;gt;10, \u221210 to 10, and &amp;lt;\u221210 mL\/min\/1.73 m2 was present in 17.7%, 71.7%, and 10.6% of the patients, respectively. Incidence rates per 100 patient-years increased across these groups for major CV events (MACEs: 1.7, 3.9, 6.8) and HF hospitalization (1.2, 3.5, 6.1). Similarly, the prevalence of MRI-detected brain infarcts (28%, 39%, 42%) and moderate-to-severe white matter hyperintensities (38%, 55%, 63%) increased with greater eGFRdiff. The levels of hs-TnT and NT-proBNP were inversely correlated with eGFRdiff. In multivariable-adjusted linear models, lower eGFRdiff was associated with MACE (P = 0.006) and HF hospitalization (P = 0.015).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>A substantial proportion of patients with AF exhibit clinically relevant eGFRdiff. More negative eGFR difference was associated with elevated cardiac biomarkers, greater burden of ischaemic brain lesions, and increased risk of CV events and HF hospitalization.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>ClinicalTrials.gov Identifier<\/jats:title>\n                    <jats:p>NCT02105844<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1093\/ehjopen\/oeag145","type":"journal-article","created":{"date-parts":[[2026,9,21]],"date-time":"2026-09-21T11:07:36Z","timestamp":1789988856000},"source":"Crossref","is-referenced-by-count":1,"title":["Impact of differences in kidney function estimation by creatinine compared to cystatin C on clinical outcomes in patients with atrial fibrillation"],"prefix":"10.1093","volume":"6","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-4367-2363","authenticated-orcid":false,"given":"Philipp","family":"Krisai","sequence":"first","affiliation":[{"name":"Cardiology\/Electrophysiology Division, Department of Medicine, University Hospital Basel , Petersgraben 4, 4031 Basel ,","place":["Switzerland"]},{"name":"Cardiovascular Research Institute Basel, University Hospital Basel, University of Basel , Spitalstrasse 2, 4056 Basel ,","place":["Switzerland"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0001-9346-5311","authenticated-orcid":false,"given":"Mikko","family":"Mutti","sequence":"additional","affiliation":[{"name":"Cardiology\/Electrophysiology Division, Department of Medicine, University Hospital Basel , Petersgraben 4, 4031 Basel ,","place":["Switzerland"]},{"name":"Cardiovascular Research Institute Basel, University Hospital Basel, University of Basel , Spitalstrasse 2, 4056 Basel ,","place":["Switzerland"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8134-2421","authenticated-orcid":false,"given":"Stefanie","family":"Aeschbacher","sequence":"additional","affiliation":[{"name":"Cardiology\/Electrophysiology Division, Department of Medicine, University Hospital Basel , Petersgraben 4, 4031 Basel ,","place":["Switzerland"]},{"name":"Cardiovascular Research Institute Basel, University Hospital Basel, University of Basel , Spitalstrasse 2, 4056 Basel ,","place":["Switzerland"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7678-7354","authenticated-orcid":false,"given":"Michael","family":"Coslovsky","sequence":"additional","affiliation":[{"name":"Cardiovascular Research Institute Basel, University Hospital Basel, University of Basel , Spitalstrasse 2, 4056 Basel ,","place":["Switzerland"]},{"name":"Department of Clinical Research, University of Basel, University Hospital Basel , Spitalstrasse 8, 4056 Basel ,","place":["Switzerland"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7197-8415","authenticated-orcid":false,"given":"Tobias","family":"Reichlin","sequence":"additional","affiliation":[{"name":"Department of Cardiology, Inselspital, Bern University Hospital, University of Bern , Freiburgstrasse 20, 3010 Bern ,","place":["Switzerland"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9083-6896","authenticated-orcid":false,"given":"Nicolas","family":"Rodondi","sequence":"additional","affiliation":[{"name":"Institute of Primary Health Care (BIHAM), University of Bern , Mittelstrasse 43, 3012 Bern ,","place":["Switzerland"]},{"name":"Department of General Internal Medicine, Inselspital, Bern University Hospital, University of Bern , Freiburgstrasse 20, 3010 Bern 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Ente Ospedaliero Cantonale , Via Tesserete 48, 6900 Lugano ,","place":["Switzerland"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2248-3456","authenticated-orcid":false,"given":"Giulio","family":"Conte","sequence":"additional","affiliation":[{"name":"Division of Cardiology, Cardiocentro Ticino Institute, Ente Ospedaliero Cantonale , Via Tesserete 48, 6900 Lugano ,","place":["Switzerland"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0006-2380-349X","authenticated-orcid":false,"given":"Moa L","family":"Haller","sequence":"additional","affiliation":[{"name":"Institute of Primary Health Care (BIHAM), University of Bern , Mittelstrasse 43, 3012 Bern ,","place":["Switzerland"]},{"name":"Department of General Internal Medicine, Inselspital, Bern University Hospital, University of Bern , Freiburgstrasse 20, 3010 Bern 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