In vitro activities of β-lactam antibiotics alone and in combination with sulbactam against Gram-negative bacteria

Fu Der Wang, Mei Lin Lin, Wen Sen Lee, Cheng Yi Liu

Research output: Contribution to journalArticle

37 Citations (Scopus)

Abstract

The resistance rates of ampicillin/sulbactam 2:1 against imipenem-susceptible and -resistant Acinetobacter baumannii were 23.5 and 30%, respectively. Ceftazidime/sulbactam combination showed significant reduction of resistant rates against Enterobacter cloacae, A. baumannii, ESBL Klebsiella pneumoniae. MIC90 of cefoperazone against E. cloacae, Serratia marcescens, A. baumannii and ESBL K. pneumoniae were >128 mg/l. Addition of sulbactam enhanced the antimicrobial activities significantly. When imipenem was combined with sulbactam, the resistant rates against imipenem-resistant A. baumanni were significantly reduced. Cefepime/sulbactam combination was active against imipenem-resistant A. baumanni. The resistance rates of aztreonam/sulbactam combination against E. cloacae, imipenem-sensitive and resistant A. baumannii, ESBL K. pneumoniae were lowered significantly. The cefotaxime/sulbactam combination showed a significant improvement of activities against E. cloacae, S. marcescens, A. baumannii and ESBL K. pneumoniae.

Original languageEnglish
Pages (from-to)590-595
Number of pages6
JournalInternational Journal of Antimicrobial Agents
Volume23
Issue number6
DOIs
Publication statusPublished - Jun 2004

Fingerprint

Sulbactam
Lactams
Acinetobacter baumannii
Gram-Negative Bacteria
Imipenem
Enterobacter cloacae
Klebsiella pneumoniae
Anti-Bacterial Agents
Serratia marcescens
Aztreonam
Cefoperazone
Ceftazidime
Cefotaxime
In Vitro Techniques

Keywords

  • β-Lactams
  • In vitro activities
  • Sulbactam

ASJC Scopus subject areas

  • Applied Microbiology and Biotechnology
  • Microbiology
  • Parasitology
  • Virology
  • Immunology and Allergy
  • Infectious Diseases

Cite this

In vitro activities of β-lactam antibiotics alone and in combination with sulbactam against Gram-negative bacteria. / Wang, Fu Der; Lin, Mei Lin; Lee, Wen Sen; Liu, Cheng Yi.

In: International Journal of Antimicrobial Agents, Vol. 23, No. 6, 06.2004, p. 590-595.

Research output: Contribution to journalArticle

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