血培养标本是诊断败血症的重要标准之一,明确诊断还要参考其他指标。有时,血培养标本阳性不一定就是败血症。当器械不洁、操作不当、消毒不严时会造成血标本污染,血培养结果为假阳性。一、概况新生儿内科收治刚出生至28天的患儿,这个阶段患儿抵抗力低下,有感染易扩散,故而败血症是新生儿期常见病之一。从2014年11月开始,新生儿内科血培养标本阳性率异常增高,临床医师从所管病例初步分析,有的患儿临床症状与 Blood culture specimens is one of the important criteria for the diagnosis of sepsis, a clear diagnosis but also refer to other indicators. Sometimes, positive blood culture specimens are not necessarily sepsis. When the device is dirty, improper operation, lax disinfection can cause blood contamination, blood culture results for the false positive. First, an overview Neonatology admitted to birth to 28 days of children, children with low immunity during this stage, the infection is easy to spread, so sepsis is one of the common neonatal period. From November 2014 onwards, neonatal blood samples were abnormally increased positive rate, clinicians from the initial analysis of cases, some children with clinical symptoms and