Stenotrophomonas maltophilia brain abscesses after implantation of motor cortex stimulator

Jan Rémi1, Anna Mira Loesch-Biffar1, Jan Mehrkens2

  • 1Department of Neurology, University Hospital, Ludwig-Maximilians-University, Munich, Germany.

Insights

This study reports the first case of brain abscesses caused by Stenotrophomonas maltophilia following motor cortex stimulator implantation. Early consideration of this resistant bacterium is crucial for effective treatment and diagnosis.

Area of Science:

  • Neuroscience
  • Infectious Diseases
  • Medical Microbiology

Background:

  • Motor cortex stimulator implantation is increasingly used for neurological conditions.
  • Brain abscesses are challenging due to diagnostic difficulties and antibiotic penetration issues.
  • Stenotrophomonas maltophilia presents a significant challenge due to its resistance profile.

Observation:

  • A patient developed brain abscesses post-motor cortex stimulator implantation.
  • Diagnosis was confirmed only after the removal of the implanted device.
  • The patient required prolonged antibiotic therapy.

Findings:

  • Stenotrophomonas maltophilia was identified as the causative agent of the brain abscesses.
  • The bacterium exhibits biofilm properties and resistance to typical empirical antibiotics.
  • Standard empirical treatments were ineffective against this pathogen.

Implications:

  • As neurostimulation use grows, rare bacterial complications like Stenotrophomonas maltophilia may increase.
  • Inclusion of resistant bacteria with biofilm capacity in differential diagnosis is essential.
  • This case highlights the need for tailored antibiotic strategies for neurostimulation-associated infections.

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