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Meningoencephalitis caused by Lactobacillus plantarum - case report
Grażyna Biesiada1, Róża Krycińska2, Jacek Czepiel1
1a Department of Infectious and Tropical Diseases , Jagiellonian University Medical College , Krakow , Poland.
Lactobacillus plantarum, a common probiotic, caused meningoencephalitis in an immunocompromised patient with lung cancer. This rare neuroinfection highlights the opportunistic potential of these bacteria in vulnerable individuals.
Area of Science:
- Microbiology
- Infectious Diseases
- Neuroscience
Background:
- Lactobacillus species are widely utilized as probiotics.
- However, certain strains possess pathogenic potential, leading to opportunistic infections.
Observation:
- A 63-year-old male with metastatic lung cancer developed neuroinfection symptoms during hospitalization.
- Clinical presentation and diagnostic tests confirmed bacterial meningoencephalitis.
Findings:
- Lactobacillus plantarum was identified as the causative agent through blood and cerebrospinal fluid cultures.
- The patient's condition improved with antibiotic therapy.
Implications:
- This case underscores Lactobacillus as a potential pathogen, particularly in immunocompromised hosts.
- It is the fourth reported case of Lactobacillus-associated neuroinfection and the second in an adult, emphasizing the need for vigilance.
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