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Access Microbiol ; 5(9)2023.
Artigo em Inglês | MEDLINE | ID: mdl-37841090

RESUMO

A patient suffered a non-fatal wet drowning in a freshwater lake and developed bacteraemia several days later. Blood culture grew a Gram-negative rod that could not be identified by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS). 16S ribosomal RNA sequencing of the isolate identified the microbe as Hydrogenophaga laconesensis - an environmental microbe commonly found in freshwater. The recovery of multiple pathogenic micro-organisms (although not H. laconesensis ) from culture of respiratory specimens prompted the initiation of antibiotic therapy with cefepime and, later, vancomycin. The patient's clinical course gradually improved over the course of 2 weeks and she was ultimately discharged home with minimal sequelae. To our knowledge, this is the first evidence of human infection with bacteria in the genus Hydrogenophaga . Hydrogenophaga may be considered in cases of freshwater near-drowning, and MALDI-TOF MS databases should be updated to include H. laconesensis .

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