Therapeutic Options for Adult Patients With Persistent Methicillin-Susceptible Staphylococcus aureus Bacteremia: A Narrative Review
Abstract
Objective: To compare the efficacy of antimicrobial therapies used in the management of persistent methicillin-susceptible Staphylococcus aureus (MSSA) bacteremia. Data Sources: A literature search using the PubMed database (inception to December 2022) was conducted using the search terms “ Staphylococcus aureus bacteremia,” “methicillin-susceptible Staphylococcus aureus bacteremia,” “persistent methicillin-susceptible Staphylococcus aureus bacteremia,” and “refractory methicillin-susceptible Staphylococcus aureus bacteremia .” In addition, therapeutic agents which could be used as treatment for MSSA including “nafcillin,” “oxacillin,” “cefazolin,” “ceftaroline,” “gentamicin,” “rifampin,” and “daptomycin” were also combined with the aforementioned search terms to capture data using these agents. Study Selection/Data Extraction: Clinical data were limited to those published in the English language. Articles and abstracts were considered for inclusion in addition to ongoing trials identified through ClinicalTrials.gov. Data Synthesis: A total of 78 articles were reviewed including 17 in vitro or animal model studies and 39 studies including patient data. The remaining 22 articles included guidelines, review articles, and editorials. Recent data evaluating use of dual β-lactam regimens for persistent MSSA bacteremia were limited to 8 case reports or case series. Relevance to Patient Care and Clinical Practice: At present, there is little guidance on how to best manage patients…
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