A patient with meningitis caused by a strain of Actinetobacter anitratus that was resistant to all commercially available antibiotics was treated with imipenem/cilastatin administered intravenously in a dose of 1 gm of imipenem every six hours. The minimal inhibitory concentration of imipenem against the isolate was less than or equal to 0.04 micrograms/ml. The patient tolerated the drug well and was cured after 12 days of therapy.
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Rodriguez et al. (1985) studied this question.