{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,30]],"date-time":"2026-07-30T21:01:14Z","timestamp":1785445274254,"version":"3.56.0"},"reference-count":15,"publisher":"Wiley","issue":"11","license":[{"start":{"date-parts":[[2025,10,25]],"date-time":"2025-10-25T00:00:00Z","timestamp":1761350400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2025,10,25]],"date-time":"2025-10-25T00:00:00Z","timestamp":1761350400000},"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":[[2025,11]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>While various models are useful for donor\u2010recipient size matching, the optimal approach for predicting the correct match remains unclear. We sought to determine the association between ideal body weight (IBW) ratio and post\u2010transplant survival.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>The United Network for Organ Sharing (UNOS) database was queried for all patients who underwent isolated heart transplantation between July 2000 and July 2023. Donor\u2010recipient size matching was assessed using predicted heart mass (PHM), ideal predicted heart mass (IPHM), and IBW. Ratios were stratified as undersized (\u22640.8), properly sized (&gt;0.8 to &lt;1.2), and oversized (\u22651.2). Stratified Kaplan\u2013Meier analysis was conducted using the log\u2010rank test. Restricted cubic splines (RCS) were constructed to evaluate the association with mortality.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      A total of 46\u00a0721 donor\u2010recipient matches were identified. PHM demonstrated higher survival for properly sized and oversized patients compared to undersized (\n                      <jats:italic>p<\/jats:italic>\n                      \u00a0&lt;\u00a00.01). For IPHM, survival was highest in the properly sized patients, lower in the oversized, and lowest in the undersized patients (\n                      <jats:italic>p<\/jats:italic>\n                      \u00a0&lt;\u00a00.01). For IBW, survival was superior in properly sized group compared to undersized and oversized patients (\n                      <jats:italic>p<\/jats:italic>\n                      \u00a0&lt;\u00a00.03). Non\u2010linear analysis of PHM showed increased mortality risk with undersizing and decreased risk with oversizing (\n                      <jats:italic>p<\/jats:italic>\n                      \u00a0&lt;\u00a00.01). IPHM demonstrated higher mortality risk with undersizing but no notable risk with oversizing (\n                      <jats:italic>p<\/jats:italic>\n                      \u00a0&lt;\u00a00.01), whereas IBW showed increased risk with both undersizing and oversizing (\n                      <jats:italic>p<\/jats:italic>\n                      \u00a0&lt;\u00a00.01).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>The IBW model appears to be non\u2010inferior to PHM. IBW penalized equally for both undersizing and oversizing, making it potentially an additional useful metric in the evaluation of donor\u2010recipient size matching.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/ctr.70369","type":"journal-article","created":{"date-parts":[[2025,10,25]],"date-time":"2025-10-25T10:35:19Z","timestamp":1761388519000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Ideal Body Weight Ratio for Donor\u2010to\u2010Recipient Size Matching in Heart Transplantation"],"prefix":"10.1111","volume":"39","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3842-4442","authenticated-orcid":false,"given":"Christopher D.","family":"Pritting","sequence":"first","affiliation":[{"name":"Department of Surgery Bayhealth Medical Center  Dover Delaware USA"},{"name":"Department of Cardiac Surgery Thomas Jefferson University  Philadelphia Pennsylvania USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6476-7751","authenticated-orcid":false,"given":"Nayeem","family":"Nasher","sequence":"additional","affiliation":[{"name":"Department of Cardiac Surgery Thomas Jefferson University  Philadelphia Pennsylvania USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0004-8055-6101","authenticated-orcid":false,"given":"Daler","family":"Rahimov","sequence":"additional","affiliation":[{"name":"Department of Cardiac Surgery Thomas Jefferson University  Philadelphia Pennsylvania USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Victoria","family":"Sanders","sequence":"additional","affiliation":[{"name":"Department of Cardiac Surgery Thomas Jefferson University  Philadelphia Pennsylvania USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jesus Eduardo","family":"Rame","sequence":"additional","affiliation":[{"name":"Division of Cardiology, Department of Medicine Thomas Jefferson University  Philadelphia Pennsylvania USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rene J.","family":"Alvarez","sequence":"additional","affiliation":[{"name":"Division of Cardiology, Department of Medicine Thomas Jefferson University  Philadelphia Pennsylvania USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Joseph E.","family":"Bavaria","sequence":"additional","affiliation":[{"name":"Department of Cardiac Surgery Thomas Jefferson University  Philadelphia Pennsylvania USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"John W.","family":"Entwistle","sequence":"additional","affiliation":[{"name":"Department of Cardiac Surgery Thomas Jefferson University  Philadelphia Pennsylvania USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Keshava","family":"Rajagopal","sequence":"additional","affiliation":[{"name":"Department of Cardiac Surgery Thomas Jefferson University  Philadelphia Pennsylvania USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Charles W.","family":"Hoopes","sequence":"additional","affiliation":[{"name":"Department of Cardiac Surgery Thomas Jefferson University  Philadelphia Pennsylvania USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4357-3533","authenticated-orcid":false,"given":"Vakhtang","family":"Tchantchaleishvili","sequence":"additional","affiliation":[{"name":"Department of Cardiac Surgery Thomas Jefferson University  Philadelphia Pennsylvania 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