{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,23]],"date-time":"2026-08-23T04:22:26Z","timestamp":1787458946557,"version":"build-2736575974"},"reference-count":15,"publisher":"Oxford University Press (OUP)","issue":"8","license":[{"start":{"date-parts":[[2026,8,23]],"date-time":"2026-08-23T00:00:00Z","timestamp":1787443200000},"content-version":"vor","delay-in-days":22,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2026,8,4]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>We present the case of a patient with subocclusive crisis 1 year after undergoing Roux en-Y gastric bypass with an open approach. Laparoscopic exploration revealed a chylous ascites caused by an internal hernia through Petersen\u2019s space; we found a technical error involving the creation of the jejuno-jejunal anastomosis below the alimentary limb, causing the inability to achieve the complete reduction of herniated small bowel. After the reduction of internal hernia, a new anastomosis was created between alimentary limb and bilio-pancreatic limb, bypassing the tract under the alimentary limb, and then Petersen\u2019s space was closed.<\/jats:p>","DOI":"10.1093\/jscr\/rjag725","type":"journal-article","created":{"date-parts":[[2026,8,5]],"date-time":"2026-08-05T11:52:01Z","timestamp":1785930721000},"source":"Crossref","is-referenced-by-count":0,"title":["Bypassing the bypass: complex laparoscopic reparation of internal hernia after laparotomic Roux-en-Y gastric bypass"],"prefix":"10.1093","volume":"2026","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5695-9681","authenticated-orcid":false,"given":"Giacomo","family":"Piatto","sequence":"first","affiliation":[{"name":"U.O.C. Chirurgia Generale , Ospedale di Cittadella (Via Pilastroni, 15, 35013 Cittadella PD)\u2014ULSS 6 Euganea, Cittadella (PD) ,","place":["Italy"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Matteo","family":"Zuin","sequence":"additional","affiliation":[{"name":"U.O.C. Chirurgia Generale , Ospedale di Cittadella (Via Pilastroni, 15, 35013 Cittadella PD)\u2014ULSS 6 Euganea, Cittadella (PD) ,","place":["Italy"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rubina","family":"Palumbo","sequence":"additional","affiliation":[{"name":"U.O.C. Chirurgia Generale , Ospedale di Cittadella (Via Pilastroni, 15, 35013 Cittadella PD)\u2014ULSS 6 Euganea, Cittadella (PD) ,","place":["Italy"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ylenia Camilla","family":"Spolverato","sequence":"additional","affiliation":[{"name":"U.O.C. Chirurgia Generale , Ospedale di Cittadella (Via Pilastroni, 15, 35013 Cittadella PD)\u2014ULSS 6 Euganea, Cittadella (PD) ,","place":["Italy"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alfonso Giovanni","family":"Recordare","sequence":"additional","affiliation":[{"name":"U.O.C. Chirurgia Generale , Ospedale di Cittadella (Via Pilastroni, 15, 35013 Cittadella PD)\u2014ULSS 6 Euganea, Cittadella (PD) ,","place":["Italy"]},{"name":"Director of U.O.C. Chirurgia Generale , Ospedale di Cittadella\u2014ULSS 6 Euganea, Via Pilastroni, 15, 35013 Cittadella (PD) ,","place":["Italy"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"286","published-online":{"date-parts":[[2026,8,23]]},"reference":[{"key":"2026082300184952400_ref1","doi-asserted-by":"publisher","first-page":"1937","DOI":"10.1007\/s11695-020-05207-7","article-title":"Bariatric Surgery Survey 2018: similarities and disparities among the 5 IFSO chapters","volume":"31","author":"Angrisani","year":"2021","journal-title":"Obes Surg"},{"key":"2026082300184952400_ref2","doi-asserted-by":"publisher","first-page":"2311","DOI":"10.1007\/s11695-023-06653-9","article-title":"Long-term follow-up and risk of recurrence of internal herniation after Roux-en-Y gastric bypass","volume":"33","author":"Zaigham","year":"2023","journal-title":"Obes Surg"},{"key":"2026082300184952400_ref3","doi-asserted-by":"publisher","first-page":"70","DOI":"10.1007\/s11695-018-3472-9","article-title":"Internal hernia after laparoscopic gastric bypass: effect of closure of the Petersen defect\u2014single-center study","volume":"29","author":"Blockhuys","year":"2019","journal-title":"Obes Surg"},{"key":"2026082300184952400_ref4","doi-asserted-by":"publisher","first-page":"745","DOI":"10.2214\/AJR.06.0541","article-title":"Internal hernia after gastric bypass: sensitivity and specificity of seven CT signs with surgical correlation and controls","volume":"188","author":"Lockhart","journal-title":"AJR Am J Roentgenol"},{"key":"2026082300184952400_ref5","doi-asserted-by":"publisher","first-page":"rjae504","DOI":"10.1093\/jscr\/rjae504","article-title":"Petersen's space hernia as a complication of gastric bypass surgery: a case report","volume":"2025","author":"Palacios","year":"2025","journal-title":"J Surg Case Rep"},{"key":"2026082300184952400_ref6","doi-asserted-by":"publisher","first-page":"e93799","DOI":"10.7759\/cureus.93799","article-title":"Petersen's hernia following laparoscopic Roux-en-Y gastric bypass: a retrospective case series of six patients","volume":"17","author":"Sousa","year":"2025","journal-title":"Cureus"},{"key":"2026082300184952400_ref7","doi-asserted-by":"publisher","first-page":"571","DOI":"10.1016\/j.jamcollsurg.2007.10.008","article-title":"Small bowel obstruction after laparoscopic Roux-en-Y gastric bypass: a review of 9,527 patients","volume":"206","author":"Koppman","year":"2008","journal-title":"J Am Coll Surg"},{"key":"2026082300184952400_ref8","doi-asserted-by":"publisher","first-page":"43","DOI":"10.1186\/s12893-018-0374-7","article-title":"Long standing biliary colic masking chylous ascites in laparoscopic Roux-en-Y gastric bypass; a case report","volume":"18","author":"Zaidan","year":"2018","journal-title":"BMC Surg"},{"key":"2026082300184952400_ref9","doi-asserted-by":"publisher","first-page":"6093542","DOI":"10.1155\/cris\/6093542","article-title":"Lymphatic obstruction related to small bowel obstruction with chylous ascites in prior Roux en Y gastric bypass patient case report","volume":"2025","author":"Couch","year":"2025","journal-title":"Case Rep Surg"},{"key":"2026082300184952400_ref10","doi-asserted-by":"publisher","first-page":"e75386","DOI":"10.7759\/cureus.75386","article-title":"Bowel obstruction after gastric bypass surgery: a narrative review","volume":"16","author":"George","year":"2024","journal-title":"Cureus"},{"key":"2026082300184952400_ref11","doi-asserted-by":"publisher","first-page":"1900","DOI":"10.1007\/s11695-023-06594-3","article-title":"Closed or unclosed mesentery? 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