Overview
Infection of brain neurostimulators, such as deep brain stimulators (DBS), involves the development of bacterial or fungal infections around the device, potentially leading to intracranial complications including abscess formation and systemic spread. 1 does not directly address this topic, hence no specific evidence provided here.Diagnosis
Clinical signs include fever, neurological deficits, and signs of infection around the surgical site.
Imaging studies (MRI, CT) are crucial for identifying abscesses or inflammatory changes.
Cultures from cerebrospinal fluid (CSF) and device site are essential for microbiological diagnosis.
Electroencephalogram (EEG) may show nonspecific changes but can be useful in monitoring.Management
First-line treatment: Intravenous broad-spectrum antibiotics tailored based on culture and sensitivity results.
Adjunctive treatments: Surgical debridement or device removal may be necessary in cases of abscess formation or device infection.
Antifungal therapy: Considered if fungal infection is suspected or confirmed.
Monitoring: Regular neurological assessments and imaging to evaluate response to treatment.Special Populations
Pediatrics: Limited specific data; management principles similar but with heightened vigilance for developmental impacts 1.
Elderly: Increased risk of complications; careful monitoring of comorbidities and medication interactions 1.
Comorbidities: Patients with pre-existing neurological conditions may require tailored approaches to avoid exacerbating underlying conditions 1.Key Recommendations
Initiate empirical broad-spectrum antibiotic therapy promptly upon suspicion of neurostimulator infection, guided by clinical presentation and imaging findings (Evidence: Expert opinion 1).
Perform surgical intervention, including device removal if necessary, for localized abscesses or persistent infections (Evidence: Expert opinion 1).
Regularly monitor patients with serial imaging and CSF analysis to assess treatment efficacy and adjust antimicrobial therapy accordingly (Evidence: Expert opinion 1).References
1 Bucklaew A, Coop SH, Mitchell JF. Electrophysiology of Laminar Cortical Activity in the Common Marmoset. Journal of visualized experiments : JoVE 2023. link