{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,9]],"date-time":"2026-03-09T00:20:05Z","timestamp":1773015605257,"version":"3.50.1"},"reference-count":32,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2026,2,16]],"date-time":"2026-02-16T00:00:00Z","timestamp":1771200000000},"content-version":"vor","delay-in-days":15,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,2,1]],"date-time":"2026-02-01T00:00:00Z","timestamp":1769904000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Clinical Transplantation"],"published-print":{"date-parts":[[2026,2]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Kidney transplant recipients are at increased risk for infections such as BK virus, with few treatment options. This study assessed how nonidentical but compatible ABO blood types influence BKPyV\u2010DNAemia risk.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>We conducted a retrospective single\u2010center study from 1\/1\/2011 to 1\/12\/2021, focusing on BK viremia (&gt;10\u00a0000 copies\/mL in two consecutive measurements one week apart) within the first posttransplant year. We used stepwise forward regression for multivariate analysis.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Of the 1244 transplants, 1084 involved identical blood types. The percentage of living donor grafts was 63.3% (787 cases), with 98.8% (158 cases) in the mismatched blood type group. There were 78 significant BK viremia episodes in the first year, occurring in 5.5% of matched and 11.3% of mismatched blood type recipients (OR 2.16,\n                      <jats:italic>p<\/jats:italic>\n                      = 0.006). For living donors, the viremia rate was 6% overall, with 4.6% in the matched blood type group and 11.4% in the mismatched blood type group (OR 2.22,\n                      <jats:italic>p<\/jats:italic>\n                      = 0.001). Multivariate analysis revealed an increased risk of mismatched blood types in living donor grafts (OR = 2.75,\n                      <jats:italic>p =<\/jats:italic>\n                      0.002).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>This study revealed an association between blood type mismatch and increased BK viremia in kidney transplant recipients, highlighting a modifiable risk factor for clinicians in organ procurement.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/ctr.70478","type":"journal-article","created":{"date-parts":[[2026,2,16]],"date-time":"2026-02-16T17:29:22Z","timestamp":1771262962000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Mismatched Blood Types between Donors and Recipients Increase the Risk of BK Viremia One Year after Kidney Transplantation"],"prefix":"10.1111","volume":"40","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1346-3771","authenticated-orcid":false,"given":"Ruth","family":"Rahamimov","sequence":"first","affiliation":[{"name":"Department of Nephrology and Hypertension Rabin Medical Center  Petah\u2010Tikva Israel"},{"name":"Department of Transplantation Rabin Medical Center, Beilinson campus  Petah\u2010Tikva Israel"},{"name":"Grey faculty of medical sciences Tel Aviv University Tel Aviv Israel"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dana","family":"Sigawi","sequence":"additional","affiliation":[{"name":"Grey faculty of medical sciences Tel Aviv University Tel Aviv Israel"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5043-8690","authenticated-orcid":false,"given":"Vered","family":"Yahalom","sequence":"additional","affiliation":[{"name":"Blood Services and Apheresis Institute, Rabin Medical Center  Petah\u2010Tikva 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