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Our hypothesis was that the risk of postoperative acute kidney injury increases as body mass index increases in patients undergoing urgent aortic total arch replacement surgery for acute DeBakey Type I aortic dissection.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Methods<\/jats:title>\n                <jats:p>We conducted a retrospective cohort study in Beijing Anzhen Hospital from December 2015 to April 2017. All patients receiving urgent aortic total arch replacement surgery with a frozen elephant trunk implant for acute DeBakey Type I aortic dissection were included. Body mass index was calculated based on height and weight. Acute kidney injury was diagnosed based on the Kidney Disease Improving Global Outcomes standards.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Results<\/jats:title>\n                <jats:p>We included 115 consecutive patients in this study. A total of 53.0% (<jats:italic>n<\/jats:italic>\u2009=\u200961) of patients had acute kidney injury. The mean age was 47.8\u2009\u00b1\u200910.7\u2009years, and 25.2% were women. Mean body mass index was 26.2\u2009\u00b1\u20093.9\u2009kg\/m<jats:sup>2<\/jats:sup>. The results of a univariate analysis showed that BMI, eGFR, CPB time, operative time, intraoperative blood loss, intraoperative amount of PRBCs, and respiratory failure were significantly correlated with AKI. In-hospital mortality was obviously increased in the acute kidney injury group (13.1% vs 1.9%; <jats:italic>P<\/jats:italic>\u2009=\u20090.025). Multivariate logistic regression showed that body mass index was associated with postoperative acute kidney injury after adjusting for other confounding factors (odds ratio\u2009=\u20091.16; 95% confidence interval: 1.02\u20131.33; <jats:italic>P<\/jats:italic>\u00a0=\u20090.0288). The risk of postoperative AKI in the BMI\u2009\u2265\u200924\u2009kg\/m<jats:sup>2<\/jats:sup> group was increased by 2.35 times (OR\u2009=\u20093.35, 95% CI: 1.15\u20139.74; <jats:italic>p<\/jats:italic>\u00a0=\u20090.0263).<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusions<\/jats:title>\n                <jats:p>Body mass index was an independent predictor of acute kidney injury after urgent aortic total arch replacement surgery with a frozen elephant trunk implant.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1186\/s13019-021-01533-8","type":"journal-article","created":{"date-parts":[[2021,5,26]],"date-time":"2021-05-26T14:04:34Z","timestamp":1622037874000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":19,"title":["Body mass index is an independent predictor of acute kidney injury after urgent aortic arch surgery for acute DeBakey Type I aortic dissection"],"prefix":"10.1186","volume":"16","author":[{"given":"Taoshuai","family":"Liu","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yuwei","family":"Fu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jie","family":"Liu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yongmin","family":"Liu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Junming","family":"Zhu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lizhong","family":"Sun","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ming","family":"Gong","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ran","family":"Dong","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hongjia","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2021,5,26]]},"reference":[{"issue":"2","key":"1533_CR1","doi-asserted-by":"publisher","first-page":"800","DOI":"10.1016\/j.jtcvs.2013.07.073","volume":"147","author":"A Dardashti","year":"2014","unstructured":"Dardashti A, Ederoth P, Algotsson L, Brond\u00e9n B, Bjursten H. 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