{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,7,27]],"date-time":"2025-07-27T07:38:24Z","timestamp":1753601904238,"version":"3.33.0"},"reference-count":39,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2020,1,10]],"date-time":"2020-01-10T00:00:00Z","timestamp":1578614400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Clinical Anatomy"],"published-print":{"date-parts":[[2020,9]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Introduction<\/jats:title><jats:p>The sigmoidea ima artery is defined as the lowest sigmoid artery, which forms the distal end of the marginal artery by linking with the superior rectal artery. It supplies the rectosigmoid junction, which is a critical area for ischemia. The aim of the present study was to delineate the area supplied by the inferior mesenteric artery with special consideration of the sigmoidea ima artery.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and Methods<\/jats:title><jats:p>The inferior mesenteric artery was dissected from its origin to the bifurcation of the superior rectal artery in 30 cadavers (15 male, 15 female). Vessel length and distance to the promontory were measured for each branch.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>There were two manifestations of the sigmoidea ima artery, irrespective of the branching pattern of the inferior mesenteric artery. It originated below the promontory in 25 cases (83.3%) and above it in three (10%). It did not derive from the superior rectal artery in two cases (6.7%). In these 16.7%, the marginal artery was absent near the rectosigmoid junction.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>We suggest the terms \u201carteria sigmoidea ima pelvina\u201d and \u201carteria sigmoidea ima abdominalis\u201d for the two variants. The terms \u201carteria marginalis pelvina\u201d and \u201carteria marginalis abdominalis\u201d could be applied in clinical practice. An abdominal marginal artery could be considered a risk factor for colonic ischemia in colorectal resections and abdominal aortic aneurysm repair. Both variants should be considered when pre\u2010 and intra\u2010operative perfusion measurements are interpreted.<\/jats:p><\/jats:sec>","DOI":"10.1002\/ca.23552","type":"journal-article","created":{"date-parts":[[2019,12,28]],"date-time":"2019-12-28T04:45:23Z","timestamp":1577508323000},"page":"850-859","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["The sigmoidea ima artery: A player in colonic ischemia?"],"prefix":"10.1002","volume":"33","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1832-0419","authenticated-orcid":false,"given":"Christoph","family":"Landen","sequence":"first","affiliation":[{"name":"Department of Macroscopic and Clinical Anatomy Medical University of Graz  Graz Austria"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Manuel","family":"Dreu","sequence":"additional","affiliation":[{"name":"Department of Macroscopic and Clinical Anatomy Medical University of Graz  Graz Austria"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Andreas","family":"Weiglein","sequence":"additional","affiliation":[{"name":"Department of Macroscopic and Clinical Anatomy Medical University of Graz  Graz Austria"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2020,1,10]]},"reference":[{"key":"e_1_2_8_2_1","first-page":"72","volume-title":"Arteriensystem der Japaner","author":"Adachi B.","year":"1928"},{"key":"e_1_2_8_3_1","first-page":"406","volume-title":"Compendium of human anatomic variation: Text, atlas, and world literature","author":"Bergman R. 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