{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,3]],"date-time":"2026-09-03T19:12:45Z","timestamp":1788462765095,"version":"build-2803163510"},"reference-count":37,"publisher":"SAGE Publications","issue":"4","license":[{"start":{"date-parts":[[2024,8,9]],"date-time":"2024-08-09T00:00:00Z","timestamp":1723161600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["J Vasc Access"],"published-print":{"date-parts":[[2025,7]]},"abstract":"<jats:sec>\n                    <jats:title>Background:<\/jats:title>\n                    <jats:p>Thrombosis of the vascular access in patients with end-stage renal disease requiring hemodialysis are common and require timely interventional procedures to restore patency. The aim of the current study was to identify factors having a significant effect on patency rates after access thrombosis. Our hypothesis was the length of time between the initial clotting of the access and the subsequent percutaneous declotting impacts the patency rates of the vascular access.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>\n                      In this retrospective cohort study, patients with a clotted arteriovenous access between Jan 1, 2011, and Jan 1, 2016, were included. Demographics, access history, and associated details of the access procedure were reviewed from the electronic medical record. Statistical analysis was done using\n                      <jats:italic>t<\/jats:italic>\n                      -test and chi-square or fisher exact tests to compare arteriovenous fistulae (AVF) and arteriovenous grafts (AVG). Primary patency, defined as the time from index procedure to endpoint, was analyzed using the Kaplan-Meier method and log rank test.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>\n                      There were 883\u2009percutaneous declotting procedures reviewed. About 351 procedures were performed in patients with an AVF and 532 with an AVG. The mean time from thrombosis to declotting was 1.71\u2009\u00b1\u20092.29\u2009days. The overall median primary patency for both AVF and AVG was 43\u2009days with no difference in patency between patients with AVF (39\u2009days) versus AVG (42\u2009days;\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.385). The time period from access thrombosis to declotting did not affect patency rates for either AVG or AVF (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.385). On multivariable analysis, prior intervention (HR: 1.32, 95% CI: 1.14\u20131.53,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.001) and cardiovascular disease (HR: 1.19, 95% CI: 1.03\u20131.37,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.016) were independently associated with access patency.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions:<\/jats:title>\n                    <jats:p>Time from thrombosis to declotting did not affect patency rates however once there was a thrombotic event, recurrent thrombosis requiring intervention was common with patency significantly decreased. Future prospective studies to validate our results and study pathogenic mechanisms of recurrent thrombosis are warranted.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/11297298241260755","type":"journal-article","created":{"date-parts":[[2024,8,10]],"date-time":"2024-08-10T02:32:36Z","timestamp":1723257156000},"page":"1249-1256","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":4,"title":["Recurrent thrombosis and patency of the arteriovenous access in patients receiving hemodialysis"],"prefix":"10.1177","volume":"26","author":[{"given":"Ryan","family":"Weiss","sequence":"first","affiliation":[{"name":"Department of Internal Medicine, Section of Nephrology, University of Chicago Medical Center, Chicago, IL, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qian","family":"Yu","sequence":"additional","affiliation":[{"name":"Department of Radiology, Section of Vascular and Interventional Radiology, University of Chicago Medical Center, Chicago, IL, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Brian","family":"Funaki","sequence":"additional","affiliation":[{"name":"Department of Radiology, Section of Vascular and Interventional Radiology, University of Chicago Medical Center, Chicago, IL, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2524-6432","authenticated-orcid":false,"given":"Mary","family":"Hammes","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine, Section of Nephrology, University of Chicago Medical Center, Chicago, IL, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2024,8,9]]},"reference":[{"key":"e_1_3_3_2_2","doi-asserted-by":"publisher","DOI":"10.1053\/j.tvir.2016.11.001"},{"key":"e_1_3_3_3_2","doi-asserted-by":"publisher","DOI":"10.1053\/j.ajkd.2019.12.001"},{"key":"e_1_3_3_4_2","unstructured":"Annual Data Report USRDS. 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