Methicillin-resistant Staphylococcus Aureus (MRSA) infections in hospital have obviously imposed a significant burden of morbidity and mortality, and strain on healthcare resources. Here, we review the genotype distribution of these pathogens in the Kingdom of Saudi Arabia (KSA). A PubMed literature search (until May 2014) specified 12 articles that characterized MRSA clones in KSA. Only two regions (Riyadh and Damamm) were represented in ten articles. Data from these articles showed that the pandemic Vienna/Hungarian/Brazilian clone (CC8/ST239-III) is the most frequent in Saudi regions (Riyadh and Damamm). Several other clones such as Barnim/UK-EMRSA-15 (CC22-IV), Southwest Pacific clone (ST30-IV) and European community-associated-MRSA clone (CC80-IV) have been detected in the Riyadh region. A variety of MRSA clones is beginning to circulate in Saudi hospitals. Continued collection and molecular characterization of MRSA is crucial for the effective prevention and treatment.

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Methicillin-resistant Staphylococcus aureus (MRSA) is responsible for serious threats to human health, causing various syndromes worldwide. Here, our purpose was to estimate the prevalence of nosocomial MRSA among isolates from King Khalid Hospital (KKH) and Maternity and Children Hospital (MCH) at Hafar Al-Batin Governorate, Saudi Arabia, and to determine the resistance of these isolates to common antibiotics used for treatment. One-hundred clinical specimens were collected from admitted patients during a six month period, and subjected to MRSA screening using traditional microbiological techniques. Antimicrobial susceptibility testing (AST) was also performed and confirmed by the VITEK2 automated system. Among the 37 S. aureus strains isolated from KKH, 23 (62.16%) were identified as MRSA. In MCH, 38 (60.31%) out 63 isolated strains were identified as MRSA. According to AST, few MRSA strains were resistant to teicoplanin, fosfomycin, linezolid, and mupirocin in both hospitals. Vancomycin resistance was not detected in any of the MRSA strains. Twelve MRSA strains from KKH and 17 strains from MCH were considered multidrug resistant (MDR). In conclusion, prevention is critical to reduce the high prevalence of MRSA.