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Query: UMLS:C0085437 (bacterial meningitis)
 4,038 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Occasionally, requests are made by our physicians for the measurement of gentamicin, tobramycin, or vancomycin in cerebrospinal fluid (CSF) specimens during the course of treating patients for bacterial meningitis. We evaluated CSF as a specimen type for the measurement of amikacin, gentamicin, tobramycin, and vancomycin on the Abbott TDx analyzer. Coefficients of variation for CSF spiked with these antimicrobial agents ranged from 0.8% to 6.5% for intra-assay values and from 2.1% to 2.3% for inter-assay values. Serum and CSF specimens were spiked at various levels with equal amounts of the antibiotics. Correlation coefficients for serum vs. CSF for these agents were 0.999. Recoveries ranged from 86% to 134%. Sensitivity for these assays is about fourfold better for CSF than for serum. CSF appears to be an acceptable specimen type for the measurement of these antibiotics using the Abbott TDx analyzer.
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PMID:Measurement of antimicrobial agents in cerebrospinal fluid using the Abbott TDx analyzer. 841 Apr 86