JAMES E. PEACOCK Jr., M.D.; FREDERIC J. MARSIK, Ph.D.; RICHARD P. WENZEL, M.D.
In March 1978, a strain of methicillin-resistant Staphylococcus aureus was introduced from the community into a university hospital. Within 6 months of admission of the index case, methicillin-resistant 5. aureus was isolated from 30 additional patients, 22 of whom were epidemiologically linked by a common phage type (6/47/54/75/83A) and roommate-to-roommate spread. Sixteen of 31 cases were infected, six with bacteremia. Patients with infections received cephalosporins more frequently before infection than did control subjects (p < 0.05). Patients acquiring methicillin-resistant S. aureus in the intensive care unit had a longer mean stay, had higher overall mortality, and received nafcillin and aminoglycosides more frequently than did cohorted control subjects. By mid-1979, methicillin-resistant S. aureus accounted for 38%, 31%, and 24% of all nosocomial S. aureus postoperative wound, pulmonary, and bloodstream infections, respectively. In hospitals with significant methicillin-resistant 5. aureus isolation rates, initial empiric therapy of presumed S. aureus infection with vancomycin seems warranted.
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PEACOCK JE, MARSIK FJ, WENZEL RP. Methicillin-Resistant Staphylococcus aureus: Introduction and Spread Within a Hospital. Ann Intern Med. 1980;93:526–532. doi: 10.7326/0003-4819-93-4-526
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Published: Ann Intern Med. 1980;93(4):526-532.
Hospital Medicine, Infectious Disease, MRSA.
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Print ISSN: 0003-4819 | Online ISSN: 1539-3704
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