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  • Title: Treatment of CSF shunt infections with intrashunt plus oral antibiotic therapy.
    Author: Frame PT, McLaurin RL.
    Journal: J Neurosurg; 1984 Feb; 60(2):354-60. PubMed ID: 6607326.
    Abstract:
    Infections of 12 cerebrospinal fluid (CSF) shunts in 11 children were treated with oral systemic antibiotic therapy plus daily intrashunt injections of antibiotics. Eight patients were infected with Staphylococcus epidermidis (four patients) or Staphylococcus aureus (four patients), and were treated with intrashunt vancomycin, plus oral trimethoprim/sulfamethoxazole (T/S), plus oral rifampin. One of these eight patients was later changed to a course of intrashunt cephapirin and oral cephalexin plus oral rifampin. One patient with Micrococcus varians infection was treated with oral T/S and rifampin, without intrashunt therapy, another patient with Pseudomonas cepacia infection was treated with intrashunt kanamycin plus oral T/S, and a third with Corynebacterium sp. infection was treated with intrashunt vancomycin plus oral T/S. Eight of the 11 patients required some form of shunt surgery, the most common being temporary externalization of the peritoneal end of the catheter. Only two shunts were completely replaced (both were ventriculojugular shunts which were changed to ventriculoperitoneal shunts). Nine of 10 evaluable cases were considered cured of their infections. The patient treated with cephalosporins had an uncorrected shunt malfunction and relapsed 1 month after completing therapy. The authors have shown that CSF shunts infected with Staphylococci can be effectively cleared with daily intrashunt vancomycin plus systemic therapy with oral T/S and rifampin. Less common infections may also be amenable to this form of therapy. Revision surgery, if necessary, should be carried out during the antibiotic therapy.
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