Perihepatitis and Hepatitis as Complications of Experimental Endocarditis Due to Neisseria gonorrhoeae in the Rabbit

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Abstract
Seven strains of Neisseria gonorrhoeae (colony type 1 or 2) were tested for their ability to produce endocarditis in rabbits with transaortic valve catheters. The gonococci exhibited three auxotype patterns and a broad range of susceptibility to penicillin and to complement-mediated serum bactericidal activity. Only four strains produced endocarditis; infectivity appeared to be related to serum resistance. Neither arthritis nor skin lesions were observed in infected animals, but 40% had hepatitis, often with fibrinous perihepatitis. Hepatic lesions could be induced by the continuous infusion of gonococci without a transvalvular catheter. Suppurative hepatitis in the rabbit endocarditis model is of particular interest in light of the unusual hepatic involvement reported in association with gonococcal endocarditis in humans. Since perihepatitis also occurs as a complication of experimental gonococcal bacteremia, perhaps the Fitz-Hugh-Curtis (gonococcal perihepatitis) syndrome appearing in women occurs more often as a function of undiagnosed bacteremia than has heretofore been suspected.