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Antimicrob Agents Chemother. 1977 June; 11(6): 933-935
Copyright © 1977 American Society for Microbiology. All Rights Reserved.

Penetration of Cefamandole into Spinal Fluid

Department of Pediatrics, Los Angeles County-University of Southern California Medical Center, Los Angeles, California 90033
^* Department of Pediatrics and Hastings Infectious Disease Laboratory, University of Southern California School of Medicine, Los Angeles, California 90033

ABSTRACT

Twelve patients, aged 6 months to 62 years, with proven bacterial meningitis, were given a single intravenous dose of cefamandole (33 mg/kg) 75 to 140 min before a routine lumbar puncture. Infecting organisms included Haemophilus influenzae (eight cases), Streptococcus pneumoniae (two cases), and Neisseria meningitidis and ß-hemolytic streptococcus (one each). Cerebrospinal fluid (CSF) was analyzed by microbiological assay for cefamandole. The median concentration was 0.60 µg/ml, ranging from undetectable to 7.4 µg/ml. CSF cefamandole concentrations correlated with CSF protein: in six patients with CSF protein less than 100 µg/dl, the range of drug concentration was 0 to 0.62 µg/ml; and in six patients with CSF protein above 100 mg/dl, the range was 0.57 to 7.4 µg/ml. No significant correlation was noted between severity of illness, type of organism involved, or patient age and concentration of drug achieved.