Successful Treatment of Ventriculostomy-Associated Meningitis Caused by Multidrug Resistant Coagulase-Negative Staphylococcus epidermidis Using Low-Volume Intrathecal Daptomycin and Loading Strategy
2014
Objective: To report successful use of low-volume intrathecal (IT) daptomycin and loading strategy for the treatment of ventriculostomy-associated meningitis. Case Summary: A 23-year-old man with a history of multiple ventriculoperitoneal shunt revisions resulting from multidrug-resistant Staphylococcus epidermidis shunt infection presented with meningitis despite suppressive antibiotic therapy. After source control surgery, the patient improved with intravenous daptomycin plus IT vancomycin. Then, 4 days later, significant ventriculostomy output occurred, and the S epidermidis was confirmed to be intermediately sensitive to vancomycin (MIC = 8 µg/mL) and susceptible to daptomycin (MIC = 2 µg/mL). IT vancomycin was changed to IT daptomycin 5 mg in 3 mL normal saline (NS) every 24 hours for 3 days, then every 72 hours for 18 days. The cerebrospinal fluid (CSF) was sterile after 1 day of IT daptomycin and remained so. Creatine kinase remained normal throughout the course of treatment. The patient was discha...
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