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Lactobacillus gasseri liver abscess and bacteremia: a case report

  • 2021-06-02
  • BMC Infectious Diseases 21(1)
    • David Ramos-Coria
    • Jorge Canto-Losa
    • D. Carrillo-Vázquez
    • Leonardo Carbajal-Morelos
    • Rodrigo Estrada-León
    • E. Corona-Rodarte

Abstract

Background: Lactobacillus is a genus of Gram-positive non-spore-forming rods usually found in the microbiota of the oral cavity, gastrointestinal tract, and female genitourinary tract. Also, they are commonly used in the food industry as supplements and probiotics. Lactobacilli are normally considered non-pathogenic to the human body, however, under certain circumstances such as immunosuppression, they can cause severe infections, with only a few cases of bacteremia, infective endocarditis, pneumonia, meningitis, and intra-abdominal infections reported. Among these presentations, a pyogenic liver abscess is rather rare.

Case presentation: We describe the case of a 59-year-old man with a history of diabetes mellitus and multiple abdominal surgeries with the latest being in 2014 presenting with bacteremia and multiple large pyogenic liver abscesses due to Lactobacillus gasseri, which did not appear to be related to the use of probiotics or immunosuppression.

Conclusions: Given the high prevalence of diabetes mellitus and the increased use of probiotics, it is expected that in the future we will see an increase in infections caused by Lactobacilli. Medical management with antibiotics and percutaneous drainage were successful strategies for the treatment of this unusual case of pyogenic liver abscesses and bacteremia caused by Lactobacillus gasseri.

Keywords: Abscess; Bacteremia; Diabetes; Lactobacillus; Pancreaticojejunostomy.

Research Insights

SupplementHealth OutcomeEffect TypeEffect Size
Lactobacillus gasseriReduced Bacteremia IncidenceHarmful
Moderate
Lactobacillus gasseriReduced Incidence of Pyogenic Liver AbscessHarmful
Moderate
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