Listeria monocytogenes peritonitis in cirrhotic patients. Value of ascitic fluid gram stain and a review of literature.
1994
Listeria monocytogenes has been increasingly implicated in spontaneous bacterial peritonitis in patients with cirrhosis. This bacterium can be mistaken for diphtheroids and gram-positive cocci if special attention is not paid to the motility pattern and specific biochemical tests. Although the sensitivity of ascitic fluid Gram stain is low, we describe a case in which the Gram stain of the ascites fluid was positive. This issue is now pertinent given recent recommendations of third-generation cephalosporin antibiotics as empiric therapy for spontaneous bacterial peritonitis;Listeria is resistant to cephalosporin agents. A positive Gram stain could affect the empiric antibiotic therapy. We review the clinical presentation and outcome in nine other cases ofListeria peritonitis occurring in cirrhotic patients.
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