Volume 22, Number 9—September 2016
CME ACTIVITY - Research
Fluoroquinolone-Resistant and Extended-Spectrum β-Lactamase–Producing Escherichia coli Infections in Patients with Pyelonephritis, United States1
David A. Talan
, Sukhjit S. Takhar, Anusha Krishnadasan, Fredrick M. Abrahamian, William R. Mower, Gregory J. Moran, and EMERGEncy ID Net Study Group
, Sukhjit S. Takhar, Anusha Krishnadasan, Fredrick M. Abrahamian, William R. Mower, Gregory J. Moran, and EMERGEncy ID Net Study Group
Table 2
Uropathogens identified among US emergency department patients with acute uncomplicated and complicated pyelonephritis, July 2013–December 2014
| Uropathogen | No. (%) |
||
|---|---|---|---|
| Total, N = 521 | Uncomplicated cases, n = 286 | Complicated cases, n = 235 | |
| Escherichia coli | 453 (86.9) | 272 (95.1) | 181 (77.0) |
| Staphylococcus saprophyticus | 2 (0.4) | 2 (0.7) | 0 (0) |
| Staphylococcus aureus | 4 (0.8) | 0 (0) | 4 (1.7) |
| Proteus sp. | 4 (0.8) | 3 (1.0) | 1 (0.4) |
| Enterobacter sp. | 5 (1.0) | 1 (0.3) | 4 (1.7) |
| Klebsiella pneumoniae | 25 (4.8) | 4 (1.4) | 21 (8.9) |
| Enterococcus sp. | 12 (2.3) | 0 (0) | 12 (5.1) |
| Pseudomonas sp. | 7 (1.3) | 0 (0) | 7 (3.0) |
| Group B streptococcus | 2 (0.4) | 1 (0.3) | 1 (0.4) |
| Other* | 5 (1.0) | 2 (0.7) | 3 (1.3) |
*Other pathogens were 2 Aerococcus urinae, 2 Citrobacter koseri, and 1 Salmonella species.
1Preliminary results of this research were presented at the 2014 IDWeek Meeting, Philadelphia, PA, USA, October 8–12, 2014.
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