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Single-anastomosis duodeno-ileal bypass (SADI) may be performed as a revisional procedure after SG. This study aims to evaluate the short- and mid-term outcomes of SADI after SG in a referral center for bariatric surgery.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Materials and Methods<\/jats:title>\n                <jats:p>Data of patients who underwent SADI between March 2015 and March 2020 were collected prospectively and analyzed retrospectively. Follow-up comprised clinical and biochemical assessment at 1, 3, 6, 12, 18, and 24\u00a0months postoperatively, and once a year thereafter.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Results<\/jats:title>\n                <jats:p>Overall, 106 patients underwent SADI after a previous SG. The timeframe between SG and SADI was 50\u2009\u00b1\u200931.3\u00a0months. Postoperative mortality was observed in two cases (1.8%) and morbidity in 15.1% of patients. At 24\u00a0months, %total weight loss was 37.6\u2009\u00b1\u200912.3 and %excess weight loss 76.9\u2009\u00b1\u200925.2 (64 patients). Three patients were treated for malnutrition during follow-up, two with medical treatment and one with SADI reversal.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusion<\/jats:title>\n                <jats:p>SADI after SG provides effective weight loss results in the short-term, even if in the present series the postoperative complication rate was non-negligible. Further trials are needed to establish the more advantageous revisional bariatric procedure after failed SG.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1007\/s11695-021-05323-y","type":"journal-article","created":{"date-parts":[[2021,4,9]],"date-time":"2021-04-09T00:03:03Z","timestamp":1617926583000},"page":"2691-2700","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":27,"title":["Efficacy and Drawbacks of Single-Anastomosis Duodeno-Ileal Bypass After Sleeve Gastrectomy in a Tertiary Referral Bariatric Center"],"prefix":"10.1007","volume":"31","author":[{"given":"Arnaud","family":"Liagre","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Francesco","family":"Martini","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yves","family":"Anduze","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hubert","family":"Boudrie","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Olivier","family":"Van Haverbeke","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Stefano","family":"Valabrega","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Radwan","family":"Kassir","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tarek","family":"Debs","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4639-5613","authenticated-orcid":false,"given":"Niccol\u00f2","family":"Petrucciani","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2021,4,9]]},"reference":[{"issue":"12","key":"5323_CR1","doi-asserted-by":"publisher","first-page":"3783","DOI":"10.1007\/s11695-018-3450-2","volume":"28","author":"L Angrisani","year":"2018","unstructured":"Angrisani L, Santonicola A, Iovino P, et al. 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