2007至2009年血培养检测结果分析与判断

Analysis and identification on the results of blood culture from 2007 to 2009

目的通过对血培养阳性的分析,减少对污染瓶的误判,提高与临床的沟通能力,把有限的医疗资源用的更好。方法把已抽血的专用培养瓶放入BacT/ALERT 3D select全自动血培养仪中,仪器报阳性经VITEK-32细菌培养鉴定仪鉴定到种。结果 9 687瓶次血培养中有714瓶有细菌生长,分离率为7.37%;明确污染140瓶,污染率为19.61%。结论血培养有细菌生长并不一定是患者真正感染的细菌,一定要认真分析。

Objective To reduce the misjudgment of polluted bottles by analyzing the positive samples of blood culture,and improve the communication with the clinic and utilize the limited medical resources more efficiently.Methods The bottles with blood were put into the BacT/ALERT 3D select automatic blood culture system to detect the positive samples.The VITEK-32 bacterial culture identification analyzer was used to identify each isolate.Results Among the 9 687 bottles,bacterial growth was found in 714 bottles,with the isolation rate of 7.37%.140 bottles were identified as polluted,with the pollution rate 19.61%.Conclusions Bacteria could grow in the blood culture,but they may not cause the infection of the patients.It should make a careful analysis.