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Published on: May 1, 2021
Isolation of rare coagulase-negative isolates in immunocompromised patients: Staphylococcus gallinarum,
Rayo Morfin-Otero1, Manuel A Martínez-Vázquez, Daniel López
1Hospital Civil de Guadalajara, Fray Antonio Alcalde, Guadalajara, Jalisco, Mexico.
Abstract:
Herein, we describe the isolation of Staphylococcus pasteuri, Staphylococcus pettenkoferi and Staphylococcus gallinarum and summarize the clinical characteristics of five patients. Cases were identified over a 2-year surveillance period that identified the respective strains using microbiologic and molecular methods. These data suggest that rare coagulase-negative staphylococcal infections may be under-diagnosed due to difficulties associated with routine clinical laboratory diagnostic methods.
Insights
Rare coagulase-negative staphylococci, including Staphylococcus pasteuri, pettenkoferi, and gallinarum, were identified. These findings suggest potential under-diagnosis of such infections due to current laboratory diagnostic challenges.
Area of Science:
- Microbiology
- Infectious Diseases
- Clinical Diagnostics
Background:
- Coagulase-negative staphylococci (CoNS) are common causes of infection.
- Accurate identification of CoNS species is crucial for patient management.
- Rare CoNS species pose diagnostic challenges in clinical laboratories.
Observation:
- This study reports the isolation of Staphylococcus pasteuri, Staphylococcus pettenkoferi, and Staphylococcus gallinarum.
- Clinical data from five patients with infections caused by these rare CoNS strains were summarized.
- A 2-year surveillance period was employed for strain identification using microbiologic and molecular techniques.
Findings:
- The study successfully isolated and identified three rare CoNS species: S. pasteuri, S. pettenkoferi, and S. gallinarum.
- Molecular and microbiologic methods were utilized for accurate strain identification.
- Clinical characteristics of five patients infected with these rare strains were documented.
Implications:
- Rare CoNS infections may be under-diagnosed in routine clinical settings.
- Current diagnostic methods may not be sufficient for identifying all CoNS species.
- Further development of diagnostic tools is needed to improve the detection of rare staphylococcal pathogens.
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