Bacterial meningitis lumbar puncture: Difference between revisions

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===Findings of lumbar puncture in bacterial meningitis===
===Findings of lumbar puncture in bacterial meningitis===
Following CSF findings may suggest bacterial meningitis:<ref name="pmid12432041">{{cite journal| author=de Gans J, van de Beek D, European Dexamethasone in Adulthood Bacterial Meningitis Study Investigators| title=Dexamethasone in adults with bacterial meningitis. | journal=N Engl J Med | year= 2002 | volume= 347 | issue= 20 | pages= 1549-56 | pmid=12432041 | doi=10.1056/NEJMoa021334 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=12432041  }}  [https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=12725615 Review in: ACP J Club. 2003 May-Jun;138(3):60] </ref><ref name="pmid8416268">{{cite journal| author=Durand ML, Calderwood SB, Weber DJ, Miller SI, Southwick FS, Caviness VS et al.| title=Acute bacterial meningitis in adults. A review of 493 episodes. | journal=N Engl J Med | year= 1993 | volume= 328 | issue= 1 | pages= 21-8 | pmid=8416268 | doi=10.1056/NEJM199301073280104 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=8416268  }} </ref>
Following CSF findings may suggest bacterial meningitis:<ref name="pmid12432041">{{cite journal| author=de Gans J, van de Beek D, European Dexamethasone in Adulthood Bacterial Meningitis Study Investigators| title=Dexamethasone in adults with bacterial meningitis. | journal=N Engl J Med | year= 2002 | volume= 347 | issue= 20 | pages= 1549-56 | pmid=12432041 | doi=10.1056/NEJMoa021334 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=12432041  }}  [https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=12725615 Review in: ACP J Club. 2003 May-Jun;138(3):60] </ref><ref name="pmid8416268">{{cite journal| author=Durand ML, Calderwood SB, Weber DJ, Miller SI, Southwick FS, Caviness VS et al.| title=Acute bacterial meningitis in adults. A review of 493 episodes. | journal=N Engl J Med | year= 1993 | volume= 328 | issue= 1 | pages= 21-8 | pmid=8416268 | doi=10.1056/NEJM199301073280104 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=8416268  }} </ref>
*A pressure of over 180 mmH2O <ref name="pmid12432041">{{cite journal| author=de Gans J, van de Beek D, European Dexamethasone in Adulthood Bacterial Meningitis Study Investigators| title=Dexamethasone in adults with bacterial meningitis. | journal=N Engl J Med | year= 2002 | volume= 347 | issue= 20 | pages= 1549-56 | pmid=12432041 | doi=10.1056/NEJMoa021334 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=12432041  }}  [https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=12725615 Review in: ACP J Club. 2003 May-Jun;138(3):60] </ref><ref name="pmid8416268">{{cite journal| author=Durand ML, Calderwood SB, Weber DJ, Miller SI, Southwick FS, Caviness VS et al.| title=Acute bacterial meningitis in adults. A review of 493 episodes. | journal=N Engl J Med | year= 1993 | volume= 328 | issue= 1 | pages= 21-8 | pmid=8416268 | doi=10.1056/NEJM199301073280104 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=8416268  }} </ref>
*A pressure of over 180 mmH2O <ref name="pmid12432041">{{cite journal| author=de Gans J, van de Beek D, European Dexamethasone in Adulthood Bacterial Meningitis Study Investigators| title=Dexamethasone in adults with bacterial meningitis. | journal=N Engl J Med | year= 2002 | volume= 347 | issue= 20 | pages= 1549-56 | pmid=12432041 | doi=10.1056/NEJMoa021334 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=12432041  }}  [https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=12725615 Review in: ACP J Club. 2003 May-Jun;138(3):60] </ref><ref name="pmid8416268">{{cite journal| author=Durand ML, Calderwood SB, Weber DJ, Miller SI, Southwick FS, Caviness VS et al.| title=Acute bacterial meningitis in adults. A review of 493 episodes. | journal=N Engl J Med | year= 1993 | volume= 328 | issue= 1 | pages= 21-8 | pmid=8416268 | doi=10.1056/NEJM199301073280104 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=8416268 }} </ref><ref name="pmid21194480">{{cite journal| author=Huy NT, Thao NT, Diep DT, Kikuchi M, Zamora J, Hirayama K| title=Cerebrospinal fluid lactate concentration to distinguish bacterial from aseptic meningitis: a systemic review and meta-analysis. | journal=Crit Care | year= 2010 | volume= 14 | issue= 6 | pages= R240 | pmid=21194480 | doi=10.1186/cc9395 | pmc=3220013 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=21194480 }} </ref>
*CSF cell count in 1000s.  
*CSF cell count in 1000s.  
*Granulocytes > lymphocytest
*Granulocytes > lymphocytest
*Elevated protein may range between 100-500mg/dl
*Elevated protein may range between 100-500mg/dl
*Glucose ratio(CSF/plasma)<0.3
*Glucose ratio(CSF/plasma)<0.3
*CSF lactate >2.1mmol/l
*CSF lactate >2.1mmol/l<ref name="pmid21194480">{{cite journal| author=Huy NT, Thao NT, Diep DT, Kikuchi M, Zamora J, Hirayama K| title=Cerebrospinal fluid lactate concentration to distinguish bacterial from aseptic meningitis: a systemic review and meta-analysis. | journal=Crit Care | year= 2010 | volume= 14 | issue= 6 | pages= R240 | pmid=21194480 | doi=10.1186/cc9395 | pmc=3220013 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=21194480  }} </ref>


===Contraindications of lumbar puncture===
===Contraindications of lumbar puncture===

Revision as of 19:42, 9 January 2017

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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][3]
  • 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[3]

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.
  3. ↑ 3.0 3.1 Huy NT, Thao NT, Diep DT, Kikuchi M, Zamora J, Hirayama K (2010). "Cerebrospinal fluid lactate concentration to distinguish bacterial from aseptic meningitis: a systemic review and meta-analysis". Crit Care. 14 (6): R240. doi:10.1186/cc9395. PMC 3220013. PMID 21194480.


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