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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
4
pubmed:dateCreated
1983-8-11
pubmed:abstractText
The in vitro inhibitory activity of azlocillin (Securopen), metronidazole (Cloni) and its hydroxy metabolite was determined against 27 gram-negative and 13 gram-positive species of anaerobes by means of agar dilution tests. The 63 anaerobic strains were also tested against the pairs azlocillin-metronidazole and azlocillin-hydroxy metabolite by means of agar dilution tests. Gram-negative species (Bacteroides spp., Fusobacterium spp. etc.) were inhibited by 0.125-256 micrograms/ml azlocillin, 0.01-4 micrograms/ml metronidazole and 0.01-4 micrograms/ml hydroxy metabolite. With gram-positive anaerobes (Clostridium spp., Peptococcaceae etc.) the MIC ranges were 0.125-4 micrograms/ml for azlocillin, 0.03-1 micrograms/ml for metronidazole and 0.125-2 micrograms/ml for the hydroxy metabolite. A synergistic effect was observed exclusively with gram-negative anaerobes (Bacteroides fragilis, B. thetaiotaomicron, B. disiens etc.). There were few instances of antagonism, likewise with gram-negative species. The preponderant combination effect against gram-positive anaerobes was addition. In view of the broad antiaerobic spectrum of azlocillin, the present in vitro findings do not preclude combined therapy with metronidazole in cases of anaerobic-aerobic poly-bacterial infections.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:issn
0004-4172
pubmed:author
pubmed:issnType
Print
pubmed:volume
33
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
574-7
pubmed:dateRevised
2000-12-18
pubmed:meshHeading
pubmed:year
1983
pubmed:articleTitle
In vitro activity of azlocillin, metronidazole and its hydroxy metabolite against anaerobes. Bacteriostatic synergism studies.
pubmed:publicationType
Journal Article