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Methicillin-resistant Staphylococcus aureus transmission in a low-prevalence healthcare setting
Journal of Infection and Public Health. 2012; 5 (4): 311-316
in English | IMEMR | ID: emr-153523
ABSTRACT
The aim of this study was to assess the nosocomial transmission of methicillin-resistant Staphylococcus aureus[MRSA] and the predictive role of colonization pressure [CP] in a low-prevalence healthcare setting. A retrospective analysis of MRSA infection rates from 2004 to 2009 at the Saudi Aramco Dhahran Health Center, Saudi Arabia, was performed. MRSA patient-days, susceptible patient-days, nosocomial incidence and CP were calculated for each month from January 2008 to December 2009. During the study period, 878 cases of MRSA colonization/infection were identified. Of these cases, 777 [88.4%] and 101 [11.5%] were community-acquired MRSA [CA-MRSA] and healthcare-associated MRSA [HA-MRSA] cases, respectively. A decrease in the number of HA-MRSA cases and an increase in the number of CA-MRSA cases were observed during the study period. The incidence of nosocomial infection per 1000 susceptible patient-days was 1.17 in 2008 and 0.7 in 2009. The monthly colonization pressure ranged from 0.1 to 1.62 throughout the 2-year period. Nosocomial transmission was observed in 13 months of the 24-month study period. No association between the CP of the preceding month and the incidence of nosocomial transmission in the subsequent month was observed. In a setting of low MRSA prevalence, CP does not appear to be a useful predictor of nosocomial transmission or incidence
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Index: IMEMR (Eastern Mediterranean) Type of study: Prevalence study Language: English Journal: J. Infection Public Health Year: 2012

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Index: IMEMR (Eastern Mediterranean) Type of study: Prevalence study Language: English Journal: J. Infection Public Health Year: 2012