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      Anatomia da artéria hepática em doadores e receptores de transplante hepático intervivos Translated title: Hepatic artery anatomy in living related liver transplantation

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          Abstract

          OBJETIVO: O objetivo do presente estudo é avaliar a anatomia da artéria hepática nos doadores e receptores do transplante hepático intervivos realizados no Hospital de Clínicas da Universidade Federal do Paraná e do Hospital Nossa Senhora das Graças de Curitiba. MÉTODO: A avaliação foi retrospectiva de março de 1998 até setembro de 2002 (23 transplantes), quando os dados passaram a ser captados de forma prospectiva (17 transplantes), até agosto de 2003. Foram obtidos dados de 80 pacientes consecutivos (40 doadores e 40 receptores), submetidos a transplante hepático intervivos, sendo 32 transplantes com receptor adulto e 8 transplantes pediátricos (receptor com idade inferior a 15 anos). Entre os 80 pacientes incluídos no estudo, 51 eram do sexo masculino (27 receptores e 24 doadores) e 29 eram do sexo feminino (13 receptores e 16 doadores). A idade média dos doadores foi de 32,6 anos e a dos receptores de 36,3 anos. RESULTADOS: No estudo da anatomia da artéria hepática, realizaram-se arteriografias em 43 pacientes, e variações anatômicas foram encontradas em 18 casos (41,86%), sendo a mais comum a artéria hepática direita ramo da artéria mesentérica superior (12,5%; n=5); no estudo da anatomia arterial realizado nas cirurgias, foram verificadas variações em 16 casos (20%) entre os 80 casos estudados, sendo a mais comum a artéria hepática direita como ramo da artéria mesentérica superior (7,5%; n=6). CONCLUSÃO: Conclui-se que a prevalência de variações na anatomia da artéria hepática é elevada.

          Translated abstract

          BACKGROUND: Detailed knowledge of hepatic artery anatomy is essential for the success of living related liver transplantation. The purpose of this study is to describe the anatomy of the hepatic artery of donors and recipients of living related liver transplantation. METHODS: From March 1998 to September 2002, the study was retrospective (23 transplantations). From October 2002 to August 2003, the study was prospective (17 transplantations). We studied the hepatic artery anatomy of 80 consecutive patients (40 donors and 40 recipients) at the Liver Transplantation Unit of the Hospital de Clínicas of the Universidade Federal do Paraná and of the Hospital Nossa Senhora das Graças; 51 were male (27 recipients and 24 donors) and 29 female (13 recipients and 16 donors). The median age of the donors was 32.6 years and of the recipients was 36.3 years. Thirty-two recipients were adults and 8 were under than 15 years of age. RESULTS: Forty-three patients underwent abdominal arteriography and variations of the hepatic artery anatomy were found in 18 of them (41.86%). The most prevalent anomaly was the right hepatic artery arising from the superior mesenteric artery (12.5%; n=5). The anatomy of the hepatic artery was also evaluated at operation and variations were observed in 16 of the 80 patients (20%). The most common variation observed at operation was the right hepatic artery arising from the superior mesenteric artery (7.5%; n=6). CONCLUSION: It is concluded that the prevalence of hepatic arterial variations is high.

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          Surgical anatomy of the hepatic arteries in 1000 cases.

          Anatomic variations in the hepatic arteries were studied in donor livers that were used for orthotopic transplantation. Variations have occurred in 25% to 75% of cases. Donor livers represent an appropriate model for study because extrahepatic arterial anatomy must be defined precisely to ensure complete arterialization of the graft at time of transplantation. Records of 1000 patients who underwent liver harvesting for orthotopic transplantation between 1984 and 1993 were reviewed. Arterial patterns in order of frequency included the normal Type 1 anatomy (n = 757), with the common hepatic artery arising from the celiac axis to form the gastroduodenal and proper hepatic arteries and the proper hepatic dividing distally into right and left branches; Type 3 (n = 106), with a replaced or accessory right hepatic artery originating from the superior mesenteric artery; Type 2 (n = 97), with a replaced or accessory left hepatic artery arising from the left gastric artery; Type 4 (n = 23), with both right and left hepatic arteries arising from the superior mesenteric and left gastric arteries, respectively; Type 5 (n = 15), with the entire common hepatic artery arising as a branch of the superior mesenteric; and Type 6 (n = 2), with the common hepatic artery originating directly from the aorta. These data are useful for the planning and conduct of surgical and radiological procedures of the upper abdomen, including laparoscopic operations of the biliary tract.
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            Newer anatomy of the liver and its variant blood supply and collateral circulation.

            N Michels (1966)
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              LIVER TRANSPLANTATION FROM LIVE DONORS

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                Author and article information

                Journal
                rcbc
                Revista do Colégio Brasileiro de Cirurgiões
                Rev. Col. Bras. Cir.
                Colégio Brasileiro de Cirurgiões (Rio de Janeiro, RJ, Brazil )
                0100-6991
                1809-4546
                April 2006
                : 33
                : 2
                : 63-67
                Affiliations
                [03] orgnameUniversidade Federal do Paraná orgdiv1Serviço de Transplante Hepático
                [02] orgnameUniversidade Federal do Paraná orgdiv1Serviços de Cirurgia do Aparelho Digestivo e de Transplante Hepático
                [01] orgnameUniversidade Federal do Paraná orgdiv1Clínica Cirúrgica
                Article
                S0100-69912006000200002 S0100-6991(06)03300202
                8c56db1d-de69-4fd8-9d5b-b673835a10e6

                This work is licensed under a Creative Commons Attribution 4.0 International License.

                History
                : 10 October 2005
                : 08 December 2005
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 23, Pages: 5
                Product

                SciELO Brazil

                Categories
                Artigos Originais

                Living donors,Liver transplantation,Artéria hepática,Doadores vivos,Transplante de fígado,Hepatic artery

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