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Current management of bacterial brain abscess consists of parenteral antimicrobial therapy, abscess drainage and symptomatic treatment.1 Strict normoglycaemia is recommended in neurocritical care patients2; However, the optimal target for systemic glucose in patients with brain abscess is unknown.
Cerebral microdialysis (CMD) allows the assessment of cerebral energy metabolism in patients with severe brain injury. Tight glycaemic control is known to be associated with a higher rate of metabolic distress, lower cerebral glucose levels and poor outcome in neurocritical care patients supporting the idea of a more liberal glucose regimen in these patients.3
Here, we present a patient with bacterial brain abscess in whom CMD was used for brain metabolic monitoring in the perilesional area.
A 43-year-old previously healthy man presented with sudden onset of Broca’s aphasia and headache for 3 weeks. Neurological examination revealed a mild right facial palsy without other focal deficit. After admission, the patient developed a generalised tonic-clonic seizure. Anticonvulsive treatment with levetiracetam (1000 mg twice daily) was initiated. MRI showed a left frontotemporal lesion (maximum diameter 36 mm) with a ring-like contrast enhancement, diffusion restriction and prominent perilesional oedema suggestive of brain abscess (online Supplementary figure 1, panels A and B). Information on clinical presentation is given in the online Supplementary file 2. Stereotactic aspiration of the abscess and implantation of a CMD catheter (71 High Cut-Off, M Dialysis AB, Stockholm, Sweden; online Supplementary file 2) and brain tissue oxygen catheter (Licox Integra LifeSciences, Saint Priest, France) was performed on day 1 (first full calendar day) …
Contributors VR, MK, MG, BP, RB and RH were involved in the acquiring, analysing and interpreting of the patient data and drafted the manuscript. VR was involved in the writing of the manuscript. RH was a major contributor in drafting and writing the manuscript. CU and CT performed the neurosurgical procedure. PR analysed the brain imaging. All authors read and approved the final manuscript.
Competing interests None declared.
Patient consent Obtained.
Ethics approval Ethics committee of the Medical University of Innsbruck, Austria (AN3898-285/4.8).
Provenance and peer review Not commissioned; externally peer reviewed.
Data sharing statement The data set used and analysed during the current study is available from the corresponding author on reasonable request.