{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,20]],"date-time":"2026-10-20T07:23:11Z","timestamp":1792480991200,"version":"4.5.0"},"reference-count":27,"publisher":"Oxford University Press (OUP)","issue":"1","license":[{"start":{"date-parts":[[2022,4,15]],"date-time":"2022-04-15T00:00:00Z","timestamp":1649980800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2022,6,15]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p\/>\n                  <jats:sec>\n                    <jats:title>OBJECTIVES<\/jats:title>\n                    <jats:p>Our goal was to identify the inferior mesenteric artery diameter and number of patent lumbar arteries causing a significant type 2 endoleak to develop after infrarenal endovascular aneurysm repair.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>MATERIAL AND METHODS<\/jats:title>\n                    <jats:p>Included were patients who underwent infrarenal endovascular aneurysm repair between April 2002 and January 2017. Patients with an aneurysm involving the iliac arteries were excluded. Significant type 2 endoleak was defined as a type 2 endoleak observed after infrarenal endovascular aneurysm repair and accompanied by abdominal aneurysm growth of at least 5\u2009mm during that time.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>RESULTS<\/jats:title>\n                    <jats:p>A total of 277 patients were included. Mean follow-up was 38.9 (standard deviation 121.6) months. Immediately after infrarenal endovascular aneurysm repair, type 2 endoleaks occurred in 55 patients (20%), resolving spontaneously in 2 patients 6\u2009months after infrarenal endovascular aneurysm repair. Thirty (10.8%) patients revealed a significant type 2 endoleak with aneurysm sack enlargement &amp;gt; 5\u2009mm during follow-up, for which inferior mesenteric artery or lumbar artery coiling was performed. Mean time for coiling after primary infrarenal endovascular aneurysm repair was 25.4 (standard deviation 19.10) months. Twenty-three patients (8.3%) showed a non-significant type 2 endoleak during follow-up (no aneurysm sack enlargement). We found that the inferior mesenteric artery diameter and number of patent lumbar arteries were factors associated with a significant type 2 endoleak (odds ratio 1.755, P\u00a0=\u00a00.001; odds ratio 1.717, P\u00a0&amp;lt;\u00a00.001, respectively). Prior to endovascular aneurysm repair, the inferior mesenteric artery was patent in 212 (76.5%) patients; its median diameter measured 3 (0.5\u20133.8) mm. The median number of patent lumbar arteries was 3 (2\u20134). According to our receiver operating characteristic curve analysis, an inferior mesenteric artery diameter \u22653 mm (sensitivity 93.3%, specificity 65%) and \u22653 patent lumbar arteries (sensitivity 87.5%, specificity 43.6%) proved to be optimal cut-off values related to developing a significant type 2 endoleak. We therefore propose a composite score for the development of a significant type 2 endoleak [(inferior mesenteric artery diameter + patent lumbar arteries)\/2].<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>CONCLUSIONS<\/jats:title>\n                    <jats:p>Patients in whom the diameter of the inferior mesenteric artery is \u2265 3\u2009mm and with \u2265 3 patent lumbar arteries carry a higher risk of developing significant type 2 endoleak after infrarenal endovascular aneurysm repair.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1093\/icvts\/ivac016","type":"journal-article","created":{"date-parts":[[2022,1,27]],"date-time":"2022-01-27T07:10:57Z","timestamp":1643267457000},"source":"Crossref","is-referenced-by-count":27,"title":["Inferior mesenteric artery diameter and number of patent lumbar arteries as factors associated with significant type 2 endoleak after infrarenal endovascular aneurysm repair"],"prefix":"10.1093","volume":"35","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1892-1487","authenticated-orcid":false,"given":"Stoyan","family":"Kondov","sequence":"first","affiliation":[{"name":"Department of Cardiovascular Surgery, Faculty of Medicine, University Heart Centre , University Hospital Freiburg, Albert-Ludwigs-University of Freiburg, Freiburg, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Aleksandar","family":"Dimov","sequence":"additional","affiliation":[{"name":"Department of Cardiovascular Surgery, Faculty of Medicine, University Heart Centre , University Hospital Freiburg, Albert-Ludwigs-University of Freiburg, Freiburg, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2975-2751","authenticated-orcid":false,"given":"Friedhelm","family":"Beyersdorf","sequence":"additional","affiliation":[{"name":"Department of Cardiovascular Surgery, Faculty of Medicine, University Heart Centre , University Hospital Freiburg, Albert-Ludwigs-University of Freiburg, Freiburg, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lars","family":"Maruschke","sequence":"additional","affiliation":[{"name":"Center of Diagnostic and interventional Radiology , St. Josefs Hospital, Freiburg, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jan-Steffen","family":"Pooth","sequence":"additional","affiliation":[{"name":"Department of Cardiovascular Surgery, Faculty of Medicine, University Heart Centre , University Hospital Freiburg, Albert-Ludwigs-University of Freiburg, Freiburg, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3099-7254","authenticated-orcid":false,"given":"Maximilian","family":"Kreibich","sequence":"additional","affiliation":[{"name":"Department of Cardiovascular Surgery, Faculty of Medicine, University Heart Centre , University Hospital Freiburg, Albert-Ludwigs-University of Freiburg, Freiburg, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0837-6945","authenticated-orcid":false,"given":"Klaus","family":"Kaier","sequence":"additional","affiliation":[{"name":"Center for Medical Biometry and Informatics, University Medical Center , Freiburg, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3305-9343","authenticated-orcid":false,"given":"Matthias","family":"Siepe","sequence":"additional","affiliation":[{"name":"Department of Cardiovascular Surgery, Faculty of Medicine, University Heart Centre , University Hospital Freiburg, Albert-Ludwigs-University of Freiburg, Freiburg, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Martin","family":"Czerny","sequence":"additional","affiliation":[{"name":"Department of Cardiovascular Surgery, Faculty of Medicine, University Heart Centre , University Hospital Freiburg, Albert-Ludwigs-University of Freiburg, Freiburg, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bartosz","family":"Rylski","sequence":"additional","affiliation":[{"name":"Department of Cardiovascular Surgery, Faculty of Medicine, University Heart Centre , University Hospital Freiburg, Albert-Ludwigs-University of Freiburg, Freiburg, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"286","published-online":{"date-parts":[[2022,4,15]]},"reference":[{"key":"2022070412470723300_ivac016-B1","article-title":"European Society for Vascular Surgery (ESVS) 2019 Clinical Practice Guidelines on the\u00a0\u00a0 Management of Abdominal Aorto-iliac Artery Aneurysms","author":"Wanhainen","year":"2018","journal-title":"Eur J Vasc Endovasc Surg"},{"key":"2022070412470723300_ivac016-B2","doi-asserted-by":"crossref","first-page":"61","DOI":"10.1111\/j.1445-2197.2007.04378.x","article-title":"Risk factors for type II endoleaks after endovascular 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