Subdural empyema lumbar puncture
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: João André Alves Silva, M.D. [2]; Anthony Gallo, B.S. [3]
Overview
Lumbar Puncture is not diagnostic of subdural empyema. Lumbar puncture is an invasive procedure which is contraindicated in case of suspicion of subdural empyema and increased intracranial pressure, due to risk of brain herniation, and death.[1]
Lumbar Puncture
Ininfants, in which subdural empyema is most commonly a complication of meningitis, spinal fluid culture is the gold-stadard test for the diagnosis, therefore it should be used after ruling-out increased intracranial pressure [2].
In adults, in which subdural empyema is most commonly a complication of sinusitis, spinal fluid in normal circumstances is sterile, however, changes in white blood cell count, glucose and protein concentrations are usually unspecific. Nevertheless, after increased intracranial pressure has been excluded, the lumbar puncture is a useful diagnostic test to rule out meningeal infection. [3] The CSF findings which may suggest an infection are:
- increased white blood cell count
- increased protein level
- decreased glucose levels
- occasionally CSF results may be normal and sterile
References
- ↑ Greenlee JE (2003). "Subdural Empyema". Curr Treat Options Neurol. 5 (1): 13–22. PMID 12521560.
- ↑ Hendaus, Mohammed A. (2013). "Subdural Empyema in Children". Global Journal of Health Science. 5 (6). doi:10.5539/gjhs.v5n6p54. ISSN 1916-9744.
- ↑ Agrawal, Amit; Timothy, Jake; Pandit, Lekha; Shetty, Lathika; Shetty, J.P. (2007). "A Review of Subdural Empyema and Its Management". Infectious Diseases in Clinical Practice. 15 (3): 149–153. doi:10.1097/01.idc.0000269905.67284.c7. ISSN 1056-9103.