{"title":"Adult severe community-acquired pneumonia with bloodstream infection caused by ψUSA 300: A case report","authors":"Shinichi Morimoto , Mituhiro Kamada , Yuka Motomura , Nobuhiro Kashige , Motoyasu Miyazaki , Yoshihiko Nakamura , Tohru Takata","doi":"10.1016/j.diagmicrobio.2024.116630","DOIUrl":null,"url":null,"abstract":"<div><div>We report the first case of fatal community-acquired pneumonia with concomitant bloodstream infection caused by the ψUSA300 strain of methicillin-resistant Staphylococcus aureus (MRSA). The isolate was positive for Panton–Valentine leukocidin (PVL) gene, with a unique 12-base pair deletion in the <em>ccrB2</em> gene, differentiating it from the canonical USA300 strain. Despite aggressive therapeutic interventions, the patient developed multiple complications, including septic shock, which ultimately proved fatal. Genetic sequencing confirmed the presence of the ψUSA300 strain.</div></div>","PeriodicalId":11329,"journal":{"name":"Diagnostic microbiology and infectious disease","volume":"111 3","pages":"Article 116630"},"PeriodicalIF":2.1000,"publicationDate":"2024-11-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Diagnostic microbiology and infectious disease","FirstCategoryId":"3","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0732889324004541","RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"INFECTIOUS DISEASES","Score":null,"Total":0}
引用次数: 0
Abstract
We report the first case of fatal community-acquired pneumonia with concomitant bloodstream infection caused by the ψUSA300 strain of methicillin-resistant Staphylococcus aureus (MRSA). The isolate was positive for Panton–Valentine leukocidin (PVL) gene, with a unique 12-base pair deletion in the ccrB2 gene, differentiating it from the canonical USA300 strain. Despite aggressive therapeutic interventions, the patient developed multiple complications, including septic shock, which ultimately proved fatal. Genetic sequencing confirmed the presence of the ψUSA300 strain.
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Diagnostic Microbiology and Infectious Disease keeps you informed of the latest developments in clinical microbiology and the diagnosis and treatment of infectious diseases. Packed with rigorously peer-reviewed articles and studies in bacteriology, immunology, immunoserology, infectious diseases, mycology, parasitology, and virology, the journal examines new procedures, unusual cases, controversial issues, and important new literature. Diagnostic Microbiology and Infectious Disease distinguished independent editorial board, consisting of experts from many medical specialties, ensures you extensive and authoritative coverage.
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