UMMS Affiliation

Clinical Microbiology Laboratories

Date

12-1-1996

Document Type

Article

Subjects

Anti-Bacterial Agents; Drug Resistance, Microbial; Humans; Microbial Sensitivity Tests; Moraxella (Branhamella) catarrhalis; purification; Neisseriaceae Infections; Population Surveillance; United States

Disciplines

Medical Microbiology

Abstract

Seven hundred twenty-three isolates of Moraxella catarrhalis obtained from outpatients with a variety of infections in 30 medical centers in the United States between 1 November 1994 and 30 April 1995 were characterized in a central laboratory. The overall rate of beta-lactamase production was 95.3%. When the National Committee for Clinical Laboratory Standards MIC interpretive breakpoints for Haemophilus influenzae were applied, percentages of strains found to be susceptible to selected oral antimicrobial agents were as follows: azithromycin, clarithromycin, and erythromycin, 100%; tetracycline and chloramphenicol, 100%; amoxicillin-clavulanate, 100%; cefixime, 99.3%; cefpodoxime, 99.0%; cefaclor, 99.4%; loracarbef, 99.0%; cefuroxime, 98.5%; cefprozil, 94.3%; and trimethoprim-sulfamethoxazole, 93.5%.

Rights and Permissions

Citation: Antimicrob Agents Chemother. 1996 Dec;40(12):2884-6.

Related Resources

Link to article in PubMed

Journal Title

Antimicrobial agents and chemotherapy

PubMed ID

9124860

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