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Evaluation of the management of postoperative aseptic meningitis
Virginie Zarrouk1, Isabelle Vassor, Frederic Bert
1Department of Internal Medicine, Beaujon Hospital, Assistance Publique-Hôpitaux de Paris, Clichy, France.
Background:
A consensus conference recommended empirical antibiotic therapy for all patients with postoperative meningitis and treatment withdrawal after 48 or 72 h if cerebrospinal fluid culture results are negative. However, this approach is not universally accepted and has not been assessed in clinical trials.
Methods:
We performed a cohort study of all patients who received a diagnosis of postoperative meningitis from January 1998 through May 2005 in a teaching hospital. From January 1998 through September 2003 (control period), guidelines were lacking or were not implemented. From October 2003 through May 2005 (interventional period), all patients received a predefined intravenous antibiotic therapy that was discontinued on the third day if the meningitis was considered aseptic. Clinical outcome and duration of antibiotic therapy were analyzed for each patient.
Results:
Seventy-five episodes of postoperative meningitis (21 cases of bacterial meningitis and 54 cases of aseptic meningitis) were investigated. Patients with aseptic meningitis received antibiotic treatment for a mean +/- standard deviation duration of 11+/-5 days during the control period and 3.5+/-2 days during the intervention period (P=.001). The duration of antibiotic treatment for bacterial meningitis was not significantly different between the 2 periods. All episodes of bacterial and aseptic meningitis were cured, and complications were rare during both periods.
Conclusions:
Stopping antibiotic treatment after 3 days is effective and safe for patients with postoperative meningitis whose cerebrospinal fluid culture results are negative.
Insights
Stopping antibiotic treatment after three days is safe and effective for patients with postoperative meningitis and negative cerebrospinal fluid cultures. This approach significantly reduces antibiotic duration for aseptic meningitis without compromising patient outcomes.
Area of Science:
- Infectious Diseases
- Neurosurgery
- Clinical Pharmacology
Background:
- Postoperative meningitis requires empirical antibiotic therapy, with recommendations for withdrawal if cerebrospinal fluid cultures are negative.
- Current guidelines for treatment duration are not universally accepted and lack clinical trial validation.
Purpose of the Study:
- To assess the efficacy and safety of a 3-day antibiotic discontinuation protocol for postoperative meningitis with negative cerebrospinal fluid cultures.
Main Methods:
- A cohort study analyzed 75 postoperative meningitis cases (bacterial and aseptic) from 1998-2005.
- Compared outcomes between a control period (no strict guidelines) and an interventional period (3-day antibiotic course for aseptic meningitis).
- Clinical outcomes and antibiotic therapy duration were evaluated for all patients.
Main Results:
- Patients with aseptic meningitis received significantly shorter antibiotic courses during the interventional period (3.5 days) compared to the control period (11 days) (P=.001).
- No significant difference in antibiotic duration was observed for bacterial meningitis between periods.
- All bacterial and aseptic meningitis cases were cured with rare complications in both periods.
Conclusions:
- Discontinuing antibiotic treatment after three days is a safe and effective strategy for patients diagnosed with postoperative meningitis and negative cerebrospinal fluid cultures.
- This approach leads to a substantial reduction in antibiotic exposure for aseptic meningitis cases.
- The study supports a more targeted antibiotic stewardship approach in managing postoperative meningitis.
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