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Peritoneal dialysis-associated peritonitis: A case first for Aquamicrobium
Ashin Mehta1, Timothy Yung1, Whitt Davis1
1Department of Medicine, Medical College of Wisconsin, Wauwatosa, Wisconsin, USA.
Nephrology (Carlton, Vic.)
|January 2, 2024
Summary
Aquamicrobium bacteria, typically found in soil, caused a rare infection in a dialysis patient. This is the third human infection case reported, and the first involving peritonitis.
Area of Science:
- Microbiology
- Infectious Diseases
- Clinical Medicine
Background:
- Aquamicrobium, an aerobic gram-negative rod, was previously isolated exclusively from environmental sources like wastewater and soil.
- Recent reports indicate a rise in human infections, with two documented cases of endophthalmitis post-cataract surgery in 2021.
Observation:
- This study details a case of peritonitis in a 56-year-old immunocompetent male undergoing peritoneal dialysis.
- The infection was caused by Aquamicrobium lusatiense, a species previously unassociated with peritonitis.
Findings:
- This represents the third reported instance of Aquamicrobium infection in humans.
- Crucially, this is the first documented case of Aquamicrobium causing peritonitis, specifically in a peritoneal dialysis patient.
Implications:
- Highlights the emerging potential of Aquamicrobium as a human pathogen.
- Underscores the need for increased clinical awareness of Aquamicrobium infections, particularly in immunocompromised individuals or those with medical devices.
- Suggests further research into the pathogenic mechanisms and clinical spectrum of Aquamicrobium infections is warranted.
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