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Relationship of vascular variations with liver remnant volume in living liver transplant donors. 2021

B Yılmaz Çankaya, and G Polat, and N Aksungur, and A Yalçın, and E Korkut, and R Sade, and R B Pirimoğlu, and S Kara, and M Ay, and N Altuntaş, and F Alper
Department of Radiology, Atatürk University School of Medicine, Erzurum, Turkey. dr.bycankaya@gmail.com.

BACKGROUND In this study, we investigated the relationship between the portal vein and hepatic artery variations and the remaining liver volume in living donors in liver transplantation. METHODS In the study, triphasic abdominal computed tomography images of 180 live liver donor candidates were analysed retrospectively. Portal veins were divided into four groups according to the Nakamura classification and seven groups according to the Michels classification. The relationship between vascular variations and remnant liver volume was compared statistically. RESULTS According to the Nakamura classification, there were 143 (79.4%) type A, 23 (12.7%) type B, 7 (3.9%) type C and 7 (3.9%) type D cases. Using the Michels classification, 129 (71%) type 1, 12 (6.7%) type 2, 24 (13%) type 3, 2 (2.2%) type 4, 10 (5.6%) type 5, 1 (0.6%) type 6, and 2 (1.1%) type 7 cases were detected. There was no significant difference in the percentage of the remaining volume of the left liver lobe between the groups (p = 0.055, p = 0.207, respectively). CONCLUSIONS Variations in the hepatic artery and portal vein do not affect the remaining liver volume in liver transplantation donors.

UI MeSH Term Description Entries
D008099 Liver A large lobed glandular organ in the abdomen of vertebrates that is responsible for detoxification, metabolism, synthesis and storage of various substances. Livers
D011169 Portal Vein A short thick vein formed by union of the superior mesenteric vein and the splenic vein. Portal Veins,Vein, Portal,Veins, Portal
D006498 Hepatectomy Excision of all or part of the liver. (Dorland, 28th ed) Hepatectomies
D006499 Hepatic Artery A branch of the celiac artery that distributes to the stomach, pancreas, duodenum, liver, gallbladder, and greater omentum. Arteries, Hepatic,Artery, Hepatic,Hepatic Arteries
D006503 Hepatic Veins Veins which drain the liver. Hepatic Vein,Vein, Hepatic,Veins, Hepatic
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D012189 Retrospective Studies Studies used to test etiologic hypotheses in which inferences about an exposure to putative causal factors are derived from data relating to characteristics of persons under study or to events or experiences in their past. The essential feature is that some of the persons under study have the disease or outcome of interest and their characteristics are compared with those of unaffected persons. Retrospective Study,Studies, Retrospective,Study, Retrospective
D016031 Liver Transplantation The transference of a part of or an entire liver from one human or animal to another. Grafting, Liver,Hepatic Transplantation,Liver Transplant,Transplantation, Hepatic,Transplantation, Liver,Hepatic Transplantations,Liver Grafting,Liver Transplantations,Liver Transplants,Transplant, Liver
D019520 Living Donors Non-cadaveric providers of organs for transplant to related or non-related recipients. Donors, Living,Donor, Living,Living Donor

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