[Fulminant hepatic failure in neonatal period (author's transl)].

A newbron baby that following an exchange transfusion due to A incompatibility, presented an hepatic and renal failure, is reported. Hepatic necrosis and associated renal patholgy suspected ruging evolution treated with exchange transfusions and peritoneal dialysis for three days, with improvement but, died at eight days of age. Necropsy findings confirm clinical suspect of hepatic necrosis. Pathology more frequently associated and management of fulminant hepatic failure is commented.