ANTIMICROBIAL AGENTS AND CHEMOTHERAPY, June 1996, p. 1412–1418 0066-4804/96/$04.0010 Copyright q 1996, American Society for Microbiology

Vol. 40, No. 6

In Vitro Activities of Quinolones, b-Lactams, Tobramycin, and Trimethoprim-Sulfamethoxazole against Nonfermentative Gram-Negative Bacilli ROBERT J. FASS,1* JEAN BARNISHAN,2 MARILYN C. SOLOMON,2

AND

LEONA W. AYERS2

1

Division of Infectious Diseases, Department of Internal Medicine, and Division of Clinical Microbiology, Department of Pathology,2 The Ohio State University College of Medicine, Columbus, Ohio 43210 Received 16 November 1995/Returned for modification 2 February 1996/Accepted 13 March 1996

From 1991 to 1995, 8,975 nonfermentative gram-negative bacilli were isolated from patients at The Ohio State University Medical Center: 71% Pseudomonas aeruginosa, 14% Stenotrophomonas maltophilia, 7.6% Acinetobacter baumannii, and