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Hepatic gas gangrene following orthotopic liver transplantation: three cases treated with re-transplantation and a review of the literature.

Doblecki-Lewis S, Palaios E, Bejarano PA, Tzakis AG, Selvaggi G, Morris MI

Department of Medicine, Division of Infectious Diseases, University of Miami Miller School of Medicine, Miami, Florida, USA.

Gas gangrene is a rare and devastating infectious process that can occur after liver transplantation, most often following hepatic artery thrombosis. We here report 3 cases of gas gangrene following orthotopic liver transplantation. Blood cultures were positive for Clostridium clostridiiforme in one case. In 2 other cases liver tissue from explanted specimens was positive for Enterobacter cloacae. Ultrasound demonstrated hepatic artery thrombosis and computed tomography imaging revealed diffuse liver necrosis with gas formation in each case. All 3 patients were successfully treated with a combination of antibiotics and emergent re-transplantation. We review previously published cases of gas gangrene after liver transplant and emphasize the importance of hepatic artery thrombosis in the development of this syndrome as well as the frequent involvement of non-clostridial organisms. Early diagnosis and aggressive combined medical and surgical treatment including re-transplantation are essential for successful treatment of these rare and catastrophic infections.

Published 11 December 2007 in Transpl Infect Dis.
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