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KMID : 0931320190190010038
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대한상부위장관.헬리코박터학회지
2019 Volume.19 No. 1 p.38 ~ p.41
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Infectious Diseases of the Stomach in Immune-compromised Patients
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Lee Sang-Min
Cheung Dae-Young
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Abstract
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The gastrointestinal tract is a vast reservoir for internal microbiota; it is exposed directly to various externally introduced microbes, including bacteria, viruses, parasites and others. In immune-compromised conditions, the gastrointestinal tract is frequently affected by infectious diseases that seldom manifest clinically in immune-competent hosts. Immune-compromised conditions result from a variety of reasons, including human immunodeficiency virus infection, anti-cancer chemo-radiotherapy, immune suppressive therapy for autoimmune diseases, and organ transplantations. The stomach is a relatively rare site for opportunistic infections in immune-compromised patients compared to the esophagus and colon, where esophagitis and colitis develop frequently and cause significant clinical consequences. Helicobacter pylori infection is majorly involved in gastric malfunctioning in immune-compromised patients, followed by cytomegalovirus infection. Infections by Cryptosporidium, Mycobacterium avium complex, histoplasmosis, leishmaniasis, aspergillosis, or treponema, have been reported; however, gastric involvement of these agents is extremely rare. This review discusses the general aspects and recent reports on gastric infection in immune-compromised patients.
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KEYWORD
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Immune-compromised, Infection, Stomach
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