摘要血管内置管是重症加强治疗病房不可或缺的处置手段,随着各式各样导管的广泛应用,随之产生的各种并发症也日益突出,尤其导管相关性血行感染（catheter related bloodstream infection,CRBSI）是其中最为严重的并发症,其预后高度依赖于早期识别和及时提供适当的抗生素治疗[1]。
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