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KMID : 1130320100530020173
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Korean Journal of Pediatrics
2010 Volume.53 No. 2 p.173 ~ p.177
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Risk factors associated with complicated methicillin-resistant Staphylococcus aureus bacteremia in neonates
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Lee Young-Jin
Kim Hyen-Jin
Byun Shin-Yun
Park Su-Eun
Park Hee-Ju
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Abstract
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Purpose : Methicillin-resistant Staphylococcus aureus (MRSA) is an important pathogen that causes nosocomial infection in NICU. It contributes to neonatal morbidity and mortality with variable complications. This study was conducted to identify the risk factors associated with complicated MRSA bacteremia in neonates.
Methods : We reviewed the medical records of 44 neonates with positive blood culture for MRSA who were admitted to the NICU of Pusan National University Hospital from January 2002 to December 2007. We compared various factors of the complicated and uncomplicated MRSA bacteremia cases.
Results : Of the 44 neonates, 31 were male and 13, female. The mean gestational age and birth weight were 33.2±4.9 weeks and 1,859.9±962.2 g, respectively. Twenty-one of infants were treated with a mechanical ventilator during a mean of 8.8±13.8 days. There were 13 cases of complicated and 31 cases of uncomplicated MRSA bacteremia. Between the 2 groups, we compared the following variables: gestational age, birth weight, ventilator use, umbilical catheter use and central catheter insertion, O2 inhalation, first oral feeding day after birth, underlying disease, transfusion, and initial vancomycin use. The underlying disease and transfusion were the risk factors related to complicated MRSA bacteremia.
Conclusion : Complicated MRSA bacteremia is related to underlying disease and transfusion. Since this was a retrospective study with a small sample size, it offered limited capacity to compare complicated and uncomplicated MRSA bacteremia. A prospective study with a larger population is needed to determine the exact characteristics of MRSA bacteremia in NICU.
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KEYWORD
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MRSA, Complication, Risk factor, Vancomycin
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