{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,22]],"date-time":"2026-09-22T07:27:41Z","timestamp":1790062061308,"version":"4.0.1"},"reference-count":14,"publisher":"Oxford University Press (OUP)","issue":"7","license":[{"start":{"date-parts":[[2023,7,4]],"date-time":"2023-07-04T00:00:00Z","timestamp":1688428800000},"content-version":"vor","delay-in-days":3,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2023,7,3]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>An aortocaval fistula, a rare abnormal vascular communication between the aorta and inferior vena cava, is most commonly associated with abdominal aortic aneurysms (AAAs). Other factors leading to aortocaval fistula formation include atherosclerosis, collagen vascular diseases, vasculitis, hematogenous infections, prior spinal surgery, malignancy and radiation exposure. In rare instances, aortocaval fistulas may be discovered incidentally on abdominal imaging. We report an unusual case of an incidental aortocaval fistula in a 93-year-old male patient with an unruptured AAA, presenting with shortness of breath, malaise and lethargy. The patient had no other obvious risk factors for aortocaval fistula formation. Multidetector computed tomography angiography helped identify the fistula, and the patient was eventually transferred to hospice for comfort measures. This case highlights the importance of detailed imaging and preoperative planning in managing aortocaval fistulas and associated AAAs.<\/jats:p>","DOI":"10.1093\/jscr\/rjad384","type":"journal-article","created":{"date-parts":[[2023,7,5]],"date-time":"2023-07-05T03:09:15Z","timestamp":1688526555000},"source":"Crossref","is-referenced-by-count":5,"title":["Incidental aortocaval fistula in the setting of an unruptured abdominal aortic aneurysm"],"prefix":"10.1093","volume":"2023","author":[{"given":"Amir H","family":"Sohail","sequence":"first","affiliation":[{"name":"Department of Surgery, NYU Long Island School of Medicine , Mineola, NY , USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Koral","family":"Cohen","sequence":"additional","affiliation":[{"name":"Department of Surgery, NYU Long Island School of Medicine , Mineola, NY , USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kimberly","family":"Ho","sequence":"additional","affiliation":[{"name":"Department of Surgery, NYU Long Island School of Medicine , Mineola, NY , USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sawyer","family":"Cimaroli","sequence":"additional","affiliation":[{"name":"Department of Surgery, NYU Long Island School of Medicine , Mineola, NY , USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Collin E M","family":"Brathwaite","sequence":"additional","affiliation":[{"name":"Department of Surgery, NYU Long Island School of Medicine , Mineola, NY , USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Patrick","family":"Shin","sequence":"additional","affiliation":[{"name":"Department of Surgery, NYU Long Island School of Medicine , Mineola, NY , USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"286","published-online":{"date-parts":[[2023,7,3]]},"reference":[{"key":"2023072707354722400_ref1","first-page":"1363","article-title":"Computed tomographic diagnosis of aortocaval fistula","volume":"22","author":"Singh","year":"2018","journal-title":"SA J Radiol"},{"key":"2023072707354722400_ref2","doi-asserted-by":"crossref","first-page":"1335","DOI":"10.1148\/rg.2021210004","article-title":"Aortic fistulas: pathophysiologic features, imaging findings, and diagnostic pitfalls","volume":"41","author":"Gulati","year":"2021","journal-title":"Radiographics"},{"key":"2023072707354722400_ref3","doi-asserted-by":"crossref","first-page":"223","DOI":"10.1136\/emj.17.3.223","article-title":"Aorto caval fistula\u2014the \"bursting heart syndrome\"","volume":"17","author":"Leigh-Smith","year":"2000","journal-title":"J Accid Emerg Med"},{"key":"2023072707354722400_ref4","doi-asserted-by":"crossref","first-page":"e3570","DOI":"10.1097\/MD.0000000000003570","article-title":"Aortocaval fistula resulting from rupture of abdominal aortic dissecting aneurysm treated by delayed endovascular repair: a case report","volume":"95","author":"Wang","year":"2016","journal-title":"Medicine"},{"key":"2023072707354722400_ref5","doi-asserted-by":"crossref","first-page":"e180","DOI":"10.1308\/rcsann.2020.0090","article-title":"Aortocaval fistula, a potentially favourable complication of abdominal aortic aneurysm rupture in endovascular repair","volume":"102","author":"Greenfield","year":"2020","journal-title":"Ann R Coll Surg Engl"},{"key":"2023072707354722400_ref6","doi-asserted-by":"crossref","first-page":"187","DOI":"10.1007\/s10140-015-1374-x","article-title":"Unstable abdominal aortic aneurysms: a review of MDCT imaging features","volume":"23","author":"Sever","year":"2016","journal-title":"Emerg Radiol"},{"key":"2023072707354722400_ref7","doi-asserted-by":"crossref","first-page":"974","DOI":"10.1056\/NEJM196211082671907","article-title":"Aneurysm of the abdominal aorta with rupture into the inferior vena cava. 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