Chemotherapy
Aztreonam: New Developments and Current Perspectives
Comparative in vitro Antibacterial Activity of Aztreonam against Clinical Isolates of Gram-Negative BacteriaShibl A.M. · Ishag A.H. · Durgham S.M.Division of Microbiology, King Saud University, Riyadh, Saudi Arabia
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Article / Publication Details
Published online: September 09, 2009
Issue release date: 1989
Number of Print Pages: 5
Number of Figures: 0
Number of Tables: 0
ISSN: 0009-3157 (Print)
eISSN: 1421-9794 (Online)
For additional information: https://www.karger.com/CHE
Abstract
The in vitro antibacterial activity of aztreonam was compared with that of cefoperazone, cefotaxime, ceftazidime, gentamicin, latamoxef, and ticarcillin against 140 clinical isolates of gram-negative bacteria. The activity of aztreonam against Entero-bacteriaceae is similar to that of cefotaxime and ceftazidime but greater than that of gentamicin, latamoxef, and ticarcillin. The 90% minimum inhibitory concentration (MIC90) of most of these isolates ranges between 0.8 and 1.6 μg/ml. The activity of aztreonam against Pseudomonas aeruginosa is similar to that of cefotaxime and cefoperazone, more active than that of latamoxef, and less active than that of ceftazidime. The minimum bactericidal concentration of aztreonam is equal to or twice the MIC for most strains tested. Time-kill studies of selected strains demonstrated rapid killing when they were exposed to 2–4 times the MIC of aztreonam. The selective spectrum of action of aztreonam makes this drug a useful agent in the therapy of a variety of gram-negative infections.
© 1989 S. Karger AG, Basel
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Article / Publication Details
Published online: September 09, 2009
Issue release date: 1989
Number of Print Pages: 5
Number of Figures: 0
Number of Tables: 0
ISSN: 0009-3157 (Print)
eISSN: 1421-9794 (Online)
For additional information: https://www.karger.com/CHE
Copyright / Drug Dosage / Disclaimer
Copyright: All rights reserved. No part of this publication may be translated into other languages, reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording, microcopying, or by any information storage and retrieval system, without permission in writing from the publisher.Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in government regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug.
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