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J Crohns Colitis. 2013 Mar;7(2):175-82. doi: 10.1016/j.crohns.2012.04.018. Epub 2012 May 22.

Listeria infection in patients on anti-TNF treatment: report of two cases and review of the literature.

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Department of Infectious Diseases, Hospital S. João, Portugal.


Listeria monocytogenes is an aerobic gram positive intracellular bacillus, predominantly affecting pregnant women, immunocompromised patients and old individuals. Invasive listeriosis, meningitis and meningoencephalitis, bacteraemia with or without joint, eye or heart focalization are clinical manifestations of the disease. Anti-TNF-α drugs blocking the host's response against various microorganisms, particularly intracellular agents like Listeria monocytogenes, increase the risk of disease. We report two cases of L. monocytogenes meningitis in ulcerative colitis patients under infliximab plus steroids. One patient is HIV-1 infected. A review of reported invasive listeriosis cases under anti-TNF drugs is also showed.

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