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Title: | Small-for-Size Syndrome: Systemic Review in a Porcine Experimental Model |
Authors: | FERNANDES, Michel Ribeiro; NACIF, Lucas Souto; ALVAREZ, Espinoza; PINHEIRO, Rafael Soares; ROCHA-SANTOS, Vinicius; MARTINO, Rodrigo Bronze de; WAISBERG, Daniel Reis; MACEDO, Rubens Arantes; DUCATTI, Liliana; HADDAD, Luciana Bertocco de Paiva; GALVAO, Flavio Henrique Ferreira; ANDRAUS, Wellington; CARNEIRO-D'ALBUQUERQUE, Luiz |
Citation: | TRANSPLANTATION PROCEEDINGS, v.54, n.5, p.1352-1356, 2022 |
Abstract: | Background. The small-for-size syndrome (SFSS) is characterized by prolonged hyperbilirubinemia, coagulopathy, and/or encephalopathy caused by a small liver graft that cannot sustain the metabolic demands of the recipient after a partial liver transplant (PLT). Models of PLT in pigs are excellent for studying this syndrome. This review aimed to identify the different porcine models of SFSS in the literature and compare their technical aspects and therapeutics methods focused on portal inflow modulation (PIM). Methods. We performed a systematic review of the porcine experimental model and SFSS. The MEDLINE-PubMed, EMBASE, Cochrane Library, LILACS, and SciELO databases were electronically searched and updated until June 20, 2021. The MeSH terms used were ""ORGAN SIZE ""AND ""LIVER TRANSPLANTATION "". Results. Thirteen SFSS porcine models were reported. Four were performed with portocaval shunt to PIM and 3 with mesocaval shunt to PIM. A few studies focused on clinical therapeutics to PIM; a study described somatostatin infusion to avoid SFSS. Initially, studies on PIM showed its potentially beneficial effects without mentioning the minimum portal flow that permits liver regeneration. However, an excessive portal diversion could be detrimental to this process. Conclusions. The use of porcine models on SFSS resulted in a better understanding of its pathophysiology and led to the establishment of various types of portal modulation, surgical techniques with different complexities, and pharmaceutical strategies such as somatostatin, making clear that without reducing the portal vein pressure the outcomes are poor. With the improvement of these techniques, SFSS can be avoided. |
Appears in Collections: | Artigos e Materiais de Revistas Científicas - FM/MGT Artigos e Materiais de Revistas Científicas - HC/ICHC Artigos e Materiais de Revistas Científicas - LIM/37 |
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