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Title: Resistance to gentamicin: a growing concern. Author: Siebert WT, Moreland NJ, Williams TW. Journal: South Med J; 1977 Mar; 70(3):289-92. PubMed ID: 322294. Abstract: Gentaminic was introduced in 1969 as a broad-spectrum aminoglycoside effective in vitro against a majority of aerobic gram-negative bacilli. In recent years gentamicin-resistant clinical isolates have become more prevalent. In our laboratory in 1975, 32% of Pseudomonas sp and 44% of indole-negative Proteus sp isolates were resistant to gentamicin. Resistance to tobramycin is also increasing; 24% of Escherichia coli and 28% of indole-negative Proteus sp isolates were found to be tobramycin-resistant. In addition, isolation of previously uncommon gentamicin-resistant species, ie, Proteus rettgeri and other indole-positive Proteus sp, from clinical specimens has increased dramatically in the past five years. This increase in gentamicin and tobramycin-resistant gram-negative bacilli serves as a constant stimulus for the development of new antimicrobial agents.[Abstract] [Full Text] [Related] [New Search]