{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,21]],"date-time":"2025-11-21T23:14:24Z","timestamp":1763766864499,"version":"3.40.5"},"reference-count":31,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2020,3,5]],"date-time":"2020-03-05T00:00:00Z","timestamp":1583366400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["obgyn.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Prenatal Diagnosis"],"published-print":{"date-parts":[[2020,5]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objective<\/jats:title><jats:p>To determine the characteristics of the choriovascular anatomy, especially the potential role of arteriovenous perfusion imbalance in the pathogenesis of selective intrauterine growth restriction (sIUGR) using three\u2010dimensional computed tomography angiography (3D\u2010CTA).<\/jats:p><\/jats:sec><jats:sec><jats:title>Method<\/jats:title><jats:p>Computed tomography angiography of the placental choriovascular tree from 15 twins with sIUGR and 15 twins without sIUGR were analyzed, and inter\u2010twin vascular anastomoses were compared between the placentas from these two groups. The parameters evaluated were the presence and measures of artery\u2010to\u2010artery anastomoses (AAA), vein\u2010to\u2010vein anastomoses (VVA) or artery\u2010to\u2010vein anastomoses (AVA).<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The frequency of AAA, VVA, and AVA did not differ significantly between sIUGR and without sIUGR\u2010pairs. The area of the vein draining to the AVA in the larger twin's placenta was significantly greater in sIUGR compared to when no sIUGR was present. Based on the net cross\u2010sectional area difference we speculate that in sIUGR there is net flow from the smaller to the larger twin.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>We used 3D\u2010CTA to display the vascular anastomoses in sIUGR twin pairs, demonstrating a difference in cross\u2010sectional diameter of the vein draining to the AVA.<\/jats:p><\/jats:sec>","DOI":"10.1002\/pd.5672","type":"journal-article","created":{"date-parts":[[2020,2,24]],"date-time":"2020-02-24T20:00:56Z","timestamp":1582574456000},"page":"715-723","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Characteristics of vascular anastomoses in monochorionic twin 587 placentas with selective intrauterine growth restriction via 89 three\u2010dimensional computed tomography angiography"],"prefix":"10.1002","volume":"40","author":[{"given":"Meizhi","family":"Li","sequence":"first","affiliation":[{"name":"Department of Radiology First Affiliated Hospital of Sun\u2010yat Sen University  Guangzhou People's Republic of China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chaoyang","family":"Wang","sequence":"additional","affiliation":[{"name":"Department of Radiology First Affiliated Hospital of Sun\u2010yat Sen University  Guangzhou People's Republic of China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yanhong","family":"Yang","sequence":"additional","affiliation":[{"name":"Department of Radiology First Affiliated Hospital of Sun\u2010yat Sen University  Guangzhou People's Republic of China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lijuan","family":"Mao","sequence":"additional","affiliation":[{"name":"Department of Radiology First Affiliated Hospital of Sun\u2010yat Sen University  Guangzhou People's Republic of China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jiawen","family":"Chen","sequence":"additional","affiliation":[{"name":"Department of Radiology First Affiliated Hospital of Sun\u2010yat Sen University  Guangzhou People's Republic of China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shaofu","family":"He","sequence":"additional","affiliation":[{"name":"Department of Radiology First Affiliated Hospital of Sun\u2010yat Sen University  Guangzhou People's Republic of China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chenyu","family":"Gou","sequence":"additional","affiliation":[{"name":"Department of Obstetrics Sixth Affiliated Hospital of Sun\u2010yat Sen University  Guangzhou People's Republic of China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3390-7699","authenticated-orcid":false,"given":"Xiaoling","family":"Zhang","sequence":"additional","affiliation":[{"name":"Department of Radiology First Affiliated Hospital of Sun\u2010yat Sen University  Guangzhou People's Republic of China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2020,3,5]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0029-7844(98)00052-0"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajog.2009.01.048"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.1002\/(SICI)1520-6661(200003\/04)9:2<89::AID-MFM1>3.0.CO;2-1"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.1017\/S0001566000004943"},{"key":"e_1_2_8_6_1","doi-asserted-by":"publisher","DOI":"10.1038\/sj.jp.7211405"},{"key":"e_1_2_8_7_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajog.2003.07.004"},{"key":"e_1_2_8_8_1","doi-asserted-by":"publisher","DOI":"10.1067\/mob.2001.116724"},{"key":"e_1_2_8_9_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0002-9378(98)70064-X"},{"key":"e_1_2_8_10_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0029-7844(00)01111-X"},{"key":"e_1_2_8_11_1","doi-asserted-by":"publisher","DOI":"10.1080\/14767058.2016.1256995"},{"key":"e_1_2_8_12_1","doi-asserted-by":"publisher","DOI":"10.1067\/S0002-9378(03)00658-6"},{"key":"e_1_2_8_13_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajog.2006.01.015"},{"key":"e_1_2_8_14_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ijgo.2006.11.002"},{"issue":"12","key":"e_1_2_8_15_1","first-page":"785","article-title":"Velamentous cord insertion in monochorionic twin gestation. 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