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During the preceding 7 months, the patient was stabilised with an intravenous proton pump inhibitor, blood transfusions and Intensive Care Unit (ICU) management for the assumed diagnosis of stress ulcers over multiple hospital admissions. Imaging with CT scan of the abdomen made the more accurate diagnosis of acute gastrointestinal haemorrhage caused by a fistula between the distal duodenum and aorta, which was later surgically confirmed. Removal of infected stents and axillobifemoral bypass were performed with a successful recovery.<\/jats:p>","DOI":"10.1136\/bcr-2021-244318","type":"journal-article","created":{"date-parts":[[2021,9,13]],"date-time":"2021-09-13T11:36:58Z","timestamp":1631533018000},"page":"e244318","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":0,"title":["Unusual cause of gastrointestinal bleeding in an 84-year-old woman: a miraculous survival from an aortoduodenal fistula repair"],"prefix":"10.1136","volume":"14","author":[{"given":"Nicole","family":"Tan","sequence":"first","affiliation":[{"name":"Curtin Medical School, Curtin University Bentley Campus, Perth, Bentley, Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yi","family":"Shi","sequence":"additional","affiliation":[{"name":"Vascular Surgery, Sun Yat-sen University First Affiliated Hospital, Guangzhou, Guangdong, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6649-1111","authenticated-orcid":false,"given":"Dan","family":"Xu","sequence":"additional","affiliation":[{"name":"Curtin Medical School, Curtin University Bentley Campus, Perth, Bentley, Australia"},{"name":"Curtin School of Population Health, Curtin University Bentley Campus, Perth, Bentley, Australia"},{"name":"Medical Education and General Practice, Sun Yan-sen University of Medical Sciences, Guangzhou, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jinsong","family":"Wang","sequence":"additional","affiliation":[{"name":"Vascular Surgery, Sun Yat-sen University First Affiliated Hospital, Guangzhou, Guangdong, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2021,9,13]]},"reference":[{"key":"2025082800364245000_14.9.e244318.1","doi-asserted-by":"publisher","DOI":"10.1097\/00000658-199321850-00002"},{"key":"2025082800364245000_14.9.e244318.2","doi-asserted-by":"publisher","DOI":"10.1056\/NEJMra1605507"},{"key":"2025082800364245000_14.9.e244318.3","doi-asserted-by":"publisher","DOI":"10.1136\/gut.2009.192401"},{"key":"2025082800364245000_14.9.e244318.4","doi-asserted-by":"crossref","first-page":"12","DOI":"10.1016\/j.ejvssr.2019.04.003","article-title":"Secondary aorto-enteric fistula and type II endoleak five years after endovascular abdominal aortic aneurysm repair","volume":"43","author":"Koda","year":"2019","journal-title":"EJVES Short Rep"},{"key":"2025082800364245000_14.9.e244318.5","first-page":"e5575","article-title":"Secondary aortoduodenal fistula presenting as gastrointestinal bleeding and fungemia","volume":"11","author":"Vegunta","year":"2019","journal-title":"Cureus"},{"key":"2025082800364245000_14.9.e244318.6","article-title":"Primary aortojejunal fistula: a rare cause for massive upper gastrointestinal bleeding","volume":"70","author":"Paulasir","year":"2017","journal-title":"BMJ Case Rep"},{"key":"2025082800364245000_14.9.e244318.7","doi-asserted-by":"crossref","first-page":"145","DOI":"10.5152\/jaem.2015.98216","article-title":"Aortoenteric fistula-a bomb in the emergency department: suspect and do not wait","volume":"14","author":"\u00d6zdin\u00e7","year":"2015","journal-title":"EAJEM"},{"key":"2025082800364245000_14.9.e244318.8","doi-asserted-by":"crossref","first-page":"770","DOI":"10.1016\/j.ejvs.2016.09.014","article-title":"Editor's choice - 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