| ORIGINAL ARTICLE |
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| Year : 2001 | Volume
: 18
| Issue : 1 | Page : 62-64 |
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Cross-resistance between trimethoprim-sulfamethoxazole and other common antibiotics among urinary isolates of escherichia coli - an in-vitro retrospective analysis
BV Navaneeth, N Suganthi, MR Sandhya Belwadi
Department of Microbiology, M.S. Rainaiah Medical College (MSRMC) and Teaching Hospital, Bangalore, India
Correspondence Address:
B V Navaneeth
Department of Microbiology, M.S. Ramaiah Medical College and Hospital, Gokula Extension, Bangalore - 560 054
India
 Source of Support: None, Conflict of Interest: None  | Check |
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472 non-repetitive urinary isolates of E.coli (349 resistant and 123 sensitive to trimethoprim-sulfametho.xazole) from patients with culture documented UTI were isolated between January 1998-December 1999. Data on antibiograrn of these isolates were fed into WHONET computer program. The relationship between trimethoprim-sulfamethoxazole (T-S) resistance and resistance to other common antimicrobials among E. coli was statistically analyzed by comparing T-S resistant with T-S sensitive isolates against other antimicrobial agents. T-S resistant E.coli were more likely to be resistant to ampicillin, augmentin, cejazolin and norfloxacin (P<0.001) but not for gentanicin and nitrofurantoin (P>0.05). T-S resistance among urinary isolates of E.coli may be a risk fatctor that would likely be associated with resistance to other antimicrobial agents used to treat UTI. |
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