不清
表现:血色鲜红,喷出或快速流出
处理:a.立即拔针,指压5~10min,否则可发生血肿
b.若伴有胸膜刺破,胸膜腔负压作用,形成血胸,
肝素化、凝血功能障碍病人应特别谨慎
并发症---- 气胸
大多因进针部位较低或进针过深,0.5~5%
表现: a.大多为局限气胸,病人可无症状,自行闭合 b.呼吸困难,同侧呼吸音减低,胸像确诊
DTD对于诊断CRBSI的意义
• 目的:
– 证实同时从外周静脉和中心静脉采取的血培 养阳性时间差(DTD)对于鉴别CRBSI和非 CRBSI的作用
• 设计:
– 前瞻性临床试验
• 研究对象:
– 15个月内总共9例CRBSI和24例非CRBSI
Gaur AH, Flynn PM, Giannini MA, et al. Difference in time to detection: a simple method to differentiate catheter-related from non-catheterrelated bloodstream infection in immunocompromised pediatric patients. Clin Infect Dis. 2003 Aug 15;37(4):469-75
• 结论:
– 在应用持续读数血培养系统的医院中, DTD是诊断 CRBSI的一种简单可靠的方法
Gaur AH, Flynn PM, Giannini MA, et al. Difference in time to detection: a simple method to differentiate catheter-related from non-catheterrelated bloodstream infection in immunocompromised pediatric patients. Clin Infect Dis. 2003 Aug 15;37(4):469-75