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KMID : 0388320050120030395
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Journal of Korean Academy of Fundamental Nursing
2005 Volume.12 No. 3 p.395 ~ p.403
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Risk Factors for Acquisition of Methicillin-Resistant Staphylococcus aureus in a Neurosurgical Intensive Care Unit(NSICU): Case-Control Study
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Shin Yong-Soon
Lim Nan-Young
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Abstract
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Purpose: Methicillin-resistant Staphylococcus aureus (MRSA) is a major nosocomial pathogen in the intensive care units (ICUs). The purpose of this case-control study is to identify risk factors for acquisition of MRSA during ICU stays in patients with and without MRSA.
Method: The study was conducted in a 16 beds-neurosurgical intensive care unit of a 2200-bed tertiary care university hospital in Seoul, Korea. Medical record and Critical Classification Scoring System were reviewed retrospectively in patients who were admitted more than 3 days from August 1, 2003 to May 30, 2004. Cases and controls were matched for age and gender. The obtained specimens were nasal swab and sputum.
Result: There were 950 patients’ admissions during the period. Among them, MRSA was isolated from twenty-three patients who were considered as hospital acquired. Artificial airway (p=.045), frequency of suction (p=.002), nasogastric tube (p=.004), wound drain (p=.045), and vancomycin (p=.019) were risk factors for MRSA acquisition in univariate analysis. Frequency of suction (p=.012, OR 3.5) was revealed as the only risk factor in multivariate conditional logistic regression.
Conclusion: Our findings give support to recent studies that suggest that frequent physical contact may increase the nosocomial acquisition of MRSA in a neurosurgical ICU.
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KEYWORD
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Methicillin-resistant Staphylococcus aureus, Risk factor, Acquisition, Intensive care unit
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