QJM Advance Access published online on March 10, 2005
QJM, doi:10.1093/qjmed/hci047
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1 Department of Medicine, University of Western Ontario, London
* To whom correspondence should be addressed. Background: Bacterial meningitis continues to cause high mortality. Few studies address the possible association between this mortality and antibiotic administration delays. Aim: To determine whether delays in antibiotic administration are associated with mortality from bacterial meningitis, and to identify inappropriate diagnostic-treatment sequences leading to such delays. Design: Retrospective case record study. Methods: We reviewed 123 cases of adult acute bacterial meningitis in 119 patients aged Results: The case fatality rate was 13% (16/123). Adjusted odds ratios (OR) for mortality were: 8.4 (95%CI 1.7-40.9) for door-to-antibiotic time >6 h; 39.4 (95%CI 4.3-358.1) for afebrility at presentation; and 12.6 (95%CI 2.2-72.0) for severely impaired mental status at presentation. Factors associated with a door-to-antibiotic time of >6 h were: (i) failure to administer antibiotics prior to transfer from another institution (OR 21.8); (ii) the diagnostic-treatment sequence: head CT then lumbar puncture, then antibiotics (OR 5.6); and (iii) the absence of the classic meningitis triad (OR 4.9). Discussion: There is an independent incremental association between delays in administrating antibiotics and mortality from adult acute bacterial meningitis. Inappropriate diagnostic-treatment sequences were significant predictors of such treatment delays.
Received October 1, 2004
Revised January 14, 2005
Original Papers
Delays in the administration of antibiotics are associated with mortality from adult acute bacterial meningitis
2 Department of Medicine, Ottawa Hospital/University of Ottawa, Ottawa, Ontario, Canada
N. Proulx, E-mail: nproulx{at}uwo.ca
Abstract 
16 years admitted to hospital from January 1990 to March 2002, using multivariate regression analysis to assess the association between meningitis mortality and door-to-antibiotic time (the time elapsed between emergency room presentation and antibiotics administration).
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