Staphylococcus aureus clones causing osteomyelitis: a literature review (2000–2020). (September 2021)

• Record Type: Journal Article
• Authors: Pimentel de Araujo, Fernanda; Monaco, Monica; Del Grosso, Maria; Pirolo, Mattia; Visca, Paolo; Pantosti, Annalisa
• Is Part Of: Journal of global antimicrobial resistance. Volume 26(2021)
• Page Start: 29
• Page End: 36
• Publication Date: 2021-09
• Subjects: Clone -- Molecular epidemiology -- Molecular typing -- MRSA -- Osteomyelitis -- Staphylococcus aureus; Drug resistance -- Periodicals; Drug resistance -- Periodicals; Drug resistance; Periodicals; 616.9041
• DOI: 10.1016/j.jgar.2021.03.030
• Languages: English
• ISSNs: 2213-7165

Abstract

Highlights: PVL toxin could promote haematogenous osteomyelitis (OM) both in children and adults. Particular lineages such as MSSA ST398 and PVL-positive lineages are associated with OM. The most frequent clones causing OM were the same in healthcare-associated and community-associated infections. ABSTRACT: Objectives: Staphylococcus aureus is the most common causative organism of osteomyelitis (OM). Nevertheless, the molecular epidemiology of S. aureus causing OM remains ill-defined. This study aimed to address the global epidemiology of S. aureus clones from OM patients. Methods: Literature databases were searched for studies reporting the molecular typing of S. aureus involved in OM published between 1 January 2000 and 29 July 2020. Data from 32 articles that fulfilled the inclusion criteria were analysed for year of publication, country of patients, methicillin susceptibility and genotypic characteristics of S. aureus isolates. Results: Pandemic clones CC5, CC8, CC22, CC30 and CC45 were the most common in OM. The distribution of clones differed greatly among studies owing to the local epidemiology of S. aureus and the MSSA heterogeneity. PVL-positive MRSA clones belonging to ST80/CC80 and ST8/CC8/USA300 were the most common among paediatric patients in Europe and the USA; greater variability was observed in the adult population. In Europe, MRSA belonged to PVL-negative CC5, CC8 and CC22 indicating a nosocomial origin of infections; in Asia PVL-positive ST59/CC59 MRSA was the most frequent. PVL-positive clones were often detected in haematogenous OM in children and adults. Although MSSA were polyclonal, PVL-negative ST398/CC398 MSSA was the most prevalent clone in diabetic foot OM. Conclusion: All major S. aureus clones circulating both in hospital and community settings appear to be capable of causing OM. Future studies reporting molecular typing and genomic data will provide more insights into the epidemiology and pathobiology of S. aureus clones causing OM.