{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,22]],"date-time":"2026-09-22T20:58:07Z","timestamp":1790110687737,"version":"4.0.1"},"reference-count":49,"publisher":"Wiley","issue":"12","license":[{"start":{"date-parts":[[2025,11,20]],"date-time":"2025-11-20T00:00:00Z","timestamp":1763596800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2025,11,20]],"date-time":"2025-11-20T00:00:00Z","timestamp":1763596800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["World j. surg."],"published-print":{"date-parts":[[2025,12]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>Given frailty and comorbidities that occur with both aging and end\u2010stage kidney disease (ESKD), it is unclear if older patients with ESKD derive the improved survival and kidney transplant (KT) access associated with Roux\u2010en\u2010Y gastric bypass (RYGB) or sleeve gastrectomy (SG).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Using 2006\u20132021 USRDS data, we identified 876 patients with RYGB and 1508 patients with SG and compared 5\u2010year mortality by age\u2010group (18\u201329\/30\u201339\/40\u201349\/50\u201359\/60\u201369\/\u2265 70 years) to nonsurgical matched controls using 1:3 Mahalanobis distance matching, Kaplan\u2013Meier, and Cox regression. We also compared age\u2010stratified KT incidence between waitlisted patients and controls.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Among patients with RYGB versus controls, 5\u2010year mortality was 11.4% versus 17.3% (aHR\u00a0=\u00a0\n                      <jats:sub>0.23<\/jats:sub>\n                      0.58\n                      <jats:sub>1.44<\/jats:sub>\n                      ), 31.5% versus 30.1% (aHR\u00a0=\u00a0\n                      <jats:sub>0.73<\/jats:sub>\n                      1.02\n                      <jats:sub>1.41<\/jats:sub>\n                      ), and 37.9% versus 47.3% (aHR\u00a0=\u00a0\n                      <jats:sub>0.69<\/jats:sub>\n                      0.77\n                      <jats:sub>1.00<\/jats:sub>\n                      ) for 18\u201329\/30\u201339\/40\u201349 years; however, 5\u2010year mortality was 77.1% versus 68.3% (aHR\u00a0=\u00a0\n                      <jats:sub>\n                        <jats:bold>1.24<\/jats:bold>\n                      <\/jats:sub>\n                      <jats:bold>1.56<\/jats:bold>\n                      <jats:sub>\n                        <jats:bold>1.95<\/jats:bold>\n                      <\/jats:sub>\n                      ) for 60\u201369 years and 86.8% versus 78.7% (aHR\u00a0=\u00a0\n                      <jats:sub>\n                        <jats:bold>1.80<\/jats:bold>\n                      <\/jats:sub>\n                      <jats:bold>2.39<\/jats:bold>\n                      <jats:sub>\n                        <jats:bold>3.16<\/jats:bold>\n                      <\/jats:sub>\n                      ) for \u2265 70 years. Among patients with SG versus controls, 5\u2010year mortality was 17.8% versus 30.2% (aHR\u00a0=\u00a0\n                      <jats:sub>\n                        <jats:bold>0.26<\/jats:bold>\n                      <\/jats:sub>\n                      <jats:bold>0.47<\/jats:bold>\n                      <jats:sub>\n                        <jats:bold>0.83<\/jats:bold>\n                      <\/jats:sub>\n                      ), 18.1% versus 36.3% (aHR\u00a0=\u00a0\n                      <jats:sub>\n                        <jats:bold>0.28<\/jats:bold>\n                      <\/jats:sub>\n                      <jats:bold>0.39<\/jats:bold>\n                      <jats:sub>\n                        <jats:bold>0.53<\/jats:bold>\n                      <\/jats:sub>\n                      ), 28.7% versus 48.9% (aHR\u00a0=\u00a0\n                      <jats:sub>\n                        <jats:bold>0.35<\/jats:bold>\n                      <\/jats:sub>\n                      <jats:bold>0.43<\/jats:bold>\n                      <jats:sub>\n                        <jats:bold>0.53<\/jats:bold>\n                      <\/jats:sub>\n                      ), 31.1% versus 61.6% (aHR\u00a0=\u00a0\n                      <jats:sub>\n                        <jats:bold>0.27<\/jats:bold>\n                      <\/jats:sub>\n                      <jats:bold>0.35<\/jats:bold>\n                      <jats:sub>\n                        <jats:bold>0.44<\/jats:bold>\n                      <\/jats:sub>\n                      ), 37.3% versus 65.7% (aHR\u00a0=\u00a0\n                      <jats:sub>\n                        <jats:bold>0.35<\/jats:bold>\n                      <\/jats:sub>\n                      <jats:bold>0.48<\/jats:bold>\n                      <jats:sub>\n                        <jats:bold>0.66<\/jats:bold>\n                      <\/jats:sub>\n                      ), and 51.5% versus 93.6% (aHR\u00a0=\u00a0\n                      <jats:sub>\n                        <jats:bold>0.14<\/jats:bold>\n                      <\/jats:sub>\n                      <jats:bold>0.37<\/jats:bold>\n                      <jats:sub>\n                        <jats:bold>0.94<\/jats:bold>\n                      <\/jats:sub>\n                      ) for 18\u201329\/30\u201339\/40\u201349\/50\u201359\/60\u201369\/\u2265 70 years. Among listed \u2265 65 years, KT incidence was 21.3% versus 25.4% (aHR\u00a0=\u00a0\n                      <jats:sub>0.19<\/jats:sub>\n                      1.01\n                      <jats:sub>5.26<\/jats:sub>\n                      ) for patients with RYGB versus controls and 66.7% versus 39.9% (aHR\u00a0=\u00a0\n                      <jats:sub>0.62<\/jats:sub>\n                      2.31\n                      <jats:sub>8.64<\/jats:sub>\n                      ) for patients with SG versus controls.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>RYGB in older patients with ESKD is associated with increased mortality and lower KT likelihood, whereas SG is associated with decreased mortality and higher KT likelihood compared to nonsurgical matched controls. Choice of bariatric surgery type may play a role in improving survival for older patients with ESKD.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/wjs.70162","type":"journal-article","created":{"date-parts":[[2025,11,21]],"date-time":"2025-11-21T02:00:28Z","timestamp":1763690428000},"page":"3448-3458","source":"Crossref","is-referenced-by-count":4,"title":["Outcomes After Bariatric Surgery in Older Adults With Obesity and End\u2010Stage Kidney Disease"],"prefix":"10.1002","volume":"49","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3523-243X","authenticated-orcid":false,"given":"Tanveen","family":"Ishaque","sequence":"first","affiliation":[{"name":"New York University Langone Health, Department of Surgery  New York New York USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Allan B.","family":"Massie","sequence":"additional","affiliation":[{"name":"New York University Langone Health, Department of Surgery  New York New York USA"},{"name":"New York 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