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  THE STATE OF LIVER TRANSPLANTATION


Panminerva Medica 2009 December;51(4):227-33

Copyright © 2010 EDIZIONI MINERVA MEDICA

lingua: Inglese

Surgical considerations in liver transplantation: small for size sindrome

Selvaggi G., Tzakis A.

University of Miami Miller School of Medicine, Miami Transplant Institute, Miami, FL, USA


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The chronic shortage of cadaveric grafts for patients on the liver transplant list has resulted in wide implementation of living donor liver transplant (LDLT) and split cadaveric liver transplantation (SLT). Small for size syndrome (SFSS) is a significant complication that can occur during LDLT or SLT. It is generally defined as the presence of prolonged cholestasis, coagulopathy and ascites within the first week from transplant. Multiple factors contribute to the pathogenesis of SFSS, such as overall graft size, portal hyperperfusion, impaired venous outflow, as well as donor and recipient factors. Strategies utilized to minimize or resolve SFSS include the use of right lobe grafts, modulation of portal flow by splenic artery ligation, splenectomy or porto-systemic bypass, and optimization of venous outflow. Additional surgical techniques to avoid SFSS include the use of auxiliary orthotopic liver grafts and dual liver graft transplantation. Careful consideration of risk to the LDLT donor has to be taken whenever right lobe graft is utilized, especially if the middle hepatic vein (MVH) is going to be included in the graft.

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gselvaggi@med.miami.edu