Full
Outline
To evaluate the detection performance of one kind of imported nitrofurantoin susceptibility test disk for antimicrobial susceptibility test by disk diffusion method.
A total of 118 strains of pathogenic bacteria were collected from a Class A tertiary comprehensive hospital in Beijing from 2016 to 2017, including 61 isolates of Enterobacterales, 48 isolates of Staphylococcus spp. and 9 isolates of Enterococcus spp. Antimicrobial susceptibility test was performed following Clinical and Laboratory Standards Institute (CLSI) documents M100ED30, using disk diffusion method. The differences of susceptibility between domestic disks and imported disks against 118 bacteria strains were detected according to the breakpoints described in CLSI documents M100ED30. The rate of categorical agreement (CA) of susceptibility conducted by the two kinds of disks was calculated.
Among the 118 isolates, 73, 4 and 41 were categorized as susceptible (S), intermediate (I), and resistant (R) to nitrofurantoin, respectively. The rate of categorical agreement of susceptibility to nitrofurantoin using imported disks and domestic disks was 100%.
The results of susceptibility test using imported nitrofurantoin disks are reliable, and consistent with the results by domestic nitrofurantoin disks. Imported nitrofurantoin disk can meet the requirements of clinical laboratory. The test results will provide direct reference data for clinical application for nitrofurantoin in infectious diseases.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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