Staphylococcus saccharolyticus infection: case series with a PRISMA-compliant systemic review
Abstract
BACKGROUND: Staphylococcus saccharolyticus is a rare cause of human infectious disease. The clinical characteristics and treatment of patients with S saccharolyticus infections remain largely unknown.
OBJECTIVES: We present the first reported case of empyema due to S saccharolyticus. In addition, a systematic review and pooled analysis of all S saccharolyticus cases were done to summarize the clinical and microbiological characteristics and treatment of this rare pathogen.
METHODS: A case of empyema caused by S saccharolyticus diagnosed in study hospital was reported. This case and those identified from PubMed, EMBASE, and Web of Science were analyzed.
RESULTS: In total, 8 patients were reviewed. The averages of the white blood cell count, sedimentation rate, and C-reactive protein were 16.8 × 10/L, 72 mm/h, and 176 mg/L, respectively. The average time-to-positivity of the anaerobic cultures was 5 days. The S saccharolyticus was resistant to metronidazole, but susceptible to fluoroquinolones, clindamycin, and vancomycin in all the cases with drug sensitivity tests available for these antibiotics. Two of 7 patients showed resistance to all β-lactams. Both of those patients finally died.
CONCLUSIONS: S saccharolyticus should be added to the list of anaerobic microorganisms that are able to cause empyema. A prolonged anaerobic culture is critical to improve the yield of this possibly underestimated pathogen. The time to positive culture of S saccharolyticus may not help to…
How strong is the evidence?
Evidence Hub reads this as a systematic review, done in people. Its evidence level is 1 of 5 (Highest · pooled evidence). Pooled evidence from several studies sits at the top of the evidence pyramid. Reported size: 8 participants or records.
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