Bacterial meningitis lumbar puncture

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Aysha Anwar, M.B.B.S[2]

Overview

Lumbar puncture

Indications of lumbar puncture

Findings of lumbar puncture in bacterial meningitis

Following CSF findings may suggest bacterial meningitis:[1][2]

  • A pressure of over 180 mmH2O [1][2]
  • CSF cell count in 1000s.
  • Granulocytes > lymphocytest
  • Elevated protein may range between 100-500mg/dl
  • Glucose ratio(CSF/plasma)<0.3
  • CSF lactate >2.1mmol/l

Contraindications of lumbar puncture

References

  1. 1.0 1.1 de Gans J, van de Beek D, European Dexamethasone in Adulthood Bacterial Meningitis Study Investigators (2002). "Dexamethasone in adults with bacterial meningitis". N Engl J Med. 347 (20): 1549–56. doi:10.1056/NEJMoa021334. PMID 12432041. Review in: ACP J Club. 2003 May-Jun;138(3):60
  2. 2.0 2.1 Durand ML, Calderwood SB, Weber DJ, Miller SI, Southwick FS, Caviness VS; et al. (1993). "Acute bacterial meningitis in adults. A review of 493 episodes". N Engl J Med. 328 (1): 21–8. doi:10.1056/NEJM199301073280104. PMID 8416268.


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