Positive alarming time of blood culture and distribution of pathogens
10.3969/j.issn.1671-9638.2017.02.017
- VernacularTitle:血培养报阳时间及病原菌分布
- Author:
Quan XU
;
Siyuan TAN
;
Zongning CHEN
;
Jian WU
;
Xiaoyan XIA
- Keywords:
blood culture;
pathogen;
flora distribution;
positive alarming time;
median time
- From:
Chinese Journal of Infection Control
2017;16(2):173-175,178
- CountryChina
- Language:Chinese
-
Abstract:
Objective To investigate the distribution of pathogens and positive alarming time of blood culture,and provide basis for laboratory diagnosis and clinical treatment. Methods Blood specimens from clinical departments in a hospital in May-November 2015 were collected,positive alarming time of blood culture was recorded,species of pathogens were identified. Results A total of 157 pathogenic strains were isolated from blood culture specimens, gram-positive cocci,gram-negative bacilli,and fungi accounted for 31 .85% ,57.32% ,and 10.83% respectively. The median positive alarming time were as follows:Enterobacteriaceae 0.50 day,non-fermenting bacteria 0.63 day, Enterococcusspp. 0.60 day,Streptococcusspp. 0.80 day,Staphylococcusspp. 1.01 days,and fungi 1.44 days, respectively. Conclusion Positive alarming time of blood culture specimens from early to late are as follows:Enter-obacteriaceae,Enterococcus,non-fermentative bacteria,Streptococcus spp.,Staphylococcus spp.,and fungus. Positive alarming time of pathogens causing bloodstream infection are all within 4 days,and most of them are within 1 day.
