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Extra-abdominal infections caused by Comamonas kerstersii: Case report
Mingxi Wang1, Hui Wang1, Shicheng Chen2
1Yun Leung Laboratory for Molecular Diagnostics, School of Medicine, Huaqiao University, Xiamen, Fujian, China.
Medicine
|February 2, 2024
Summary
Comamonas kerstersii can cause severe pneumonia and urinary tract infections, leading to death or extensive drug resistance. Early identification is crucial for effective treatment of these extra-abdominal infections.
Area of Science:
- Microbiology
- Infectious Diseases
- Genomics
Background:
- Comamonas kerstersii is typically associated with intra-abdominal infections with favorable outcomes.
- High antibiotic susceptibility is characteristic of Comamonas kerstersii in common infections.
Observation:
- A case of pneumonia caused by Comamonas kerstersii in a patient with craniocerebral injury resulted in patient death.
- A second case involved a urinary tract infection by Comamonas kerstersii in an elderly patient with prostate hyperplasia.
Findings:
- Genomic analysis using average nucleotide identity (ANI) confirmed the identification of Comamonas kerstersii in both cases.
- The pneumonia-associated strain (12322-1) showed sensitivity to most tested antibiotics, while the urinary tract infection strain (121606) exhibited extensive drug resistance.
Implications:
- Comamonas kerstersii can cause severe extra-abdominal infections, including pneumonia and urinary tract infections, with potentially fatal outcomes.
- Difficulties in bacterial identification may lead to underestimation of Comamonas kerstersii infections.
- The emergence of extensively drug-resistant strains of Comamonas kerstersii poses a significant public health threat.
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