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Yan F, Yang M, Sun Y, Tang Q, Yuan L. Case report: Methicillin-resistant Staphylococcus aureus with penicillin susceptible ( PS-MRSA): first clinical report from a psychiatric hospital in China. Front Med (Lausanne) 2024; 11:1380369. [PMID: 38638932 PMCID: PMC11024255 DOI: 10.3389/fmed.2024.1380369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Accepted: 03/25/2024] [Indexed: 04/20/2024] Open
Abstract
This case report documents the first instance of Penicillin-Susceptible Methicillin-Resistant Staphylococcus aureus (PS-MRSA) in a Chinese psychiatric hospital. The strain was isolated from a patient with Alzheimer's disease who had a lower respiratory tract infection. Clinical and laboratory analyses, including mass spectrometry, antibiotic susceptibility testing, and whole-genome sequencing, confirmed the PS-MRSA strain. In this case, we systematically introduce the clinical symptoms, laboratory findings, and treatment responses associated with this PS-MRSA strain. This discovery offers a new perspective on our understanding of resistance mechanisms and expands our considerations for existing antibiotic treatments. It may fill a gap in the classification of MRSA strains, enhance the spectrum of MRSA resistance, and complete the therapeutic strategies for MRSA.
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Affiliation(s)
- Fei Yan
- Department of Clinical Laboratory, The Fourth People’s Hospital of Chengdu, Chengdu, China
- Department of Clinical Laboratory, The Clinical Hospital of Chengdu Brain Science Institute, MOE Key Lab for Neuroinformation, University of Electronic Science and Technology of China, Chengdu, China
| | - Mi Yang
- Department of Clinical Laboratory, The Fourth People’s Hospital of Chengdu, Chengdu, China
- Department of Clinical Laboratory, The Clinical Hospital of Chengdu Brain Science Institute, MOE Key Lab for Neuroinformation, University of Electronic Science and Technology of China, Chengdu, China
| | - Yuting Sun
- Department of Clinical Laboratory, The Fourth People’s Hospital of Chengdu, Chengdu, China
- Department of Clinical Laboratory, The Clinical Hospital of Chengdu Brain Science Institute, MOE Key Lab for Neuroinformation, University of Electronic Science and Technology of China, Chengdu, China
| | - Qin Tang
- Department of Clinical Laboratory, The Fourth People’s Hospital of Chengdu, Chengdu, China
- Department of Clinical Laboratory, The Clinical Hospital of Chengdu Brain Science Institute, MOE Key Lab for Neuroinformation, University of Electronic Science and Technology of China, Chengdu, China
| | - Lu Yuan
- Department of Clinical Laboratory, The Fourth People’s Hospital of Chengdu, Chengdu, China
- Department of Clinical Laboratory, The Clinical Hospital of Chengdu Brain Science Institute, MOE Key Lab for Neuroinformation, University of Electronic Science and Technology of China, Chengdu, China
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