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Overview :
Tacconelli et al identified risk factors for nosocomial
methicillin-resistant Staphylococcus aureus (MRSA) occurring within 24 hours
after hospital admission. It is not uncommon for these patients to be
misclassified as having a community-acquired infection. The authors are from
Beth Israel Deaconess Medical Center in Boston.
Risk factors for nosocomial MRSA bacteremia occurring within
24 hours of hospital admission:
(1) history of previous MRSA colonization and/or
infection
(2) presence of cellulitis at the time of hospital
admission
(3) presence of a skin ulcer at the time of hospital
admission
(4) presence of a central venous catheter (CVC)
where:
• The odds
ratio for a previous history was 17. The other factors had odds ratios ranging
from 3.1 to 4.3.
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