患者腰段硬膜外术后止痛硬膜外导管末端细菌培养

Chinese Journal of Nosocomiology(2009)

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Abstract
目的观察患者腰段硬膜外术后止痛硬膜外导管尖端细菌异生的情况。方法100例下肢骨科手术患者,ASAⅠ级或Ⅱ级,选取L1-2棘间隙在无菌条件下行硬膜外穿刺、置管,术后用低浓度局麻药及芬太尼行硬膜外术后止痛,3 d后在无菌条件下拔除硬膜外导管,剪取尖端2 cm送细菌培养。结果共有9例患者硬膜外导管尖端发生细菌异生(9.0%),检出表皮葡萄球菌6株(66.7%);肠球菌属、革兰阴性杆菌、酵母菌属各1株,各占11.1%;无1例患者出现硬膜外感染的征象。结论腰段硬膜外术后止痛的病原菌异生发生率较低,临床上未出现硬膜外感染征象,术后3 d内行硬膜外止痛可不考虑硬膜外感染的威胁,但对高危人群,仍以应用一定的预防措施为宜。
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Key words
Bacteria,Catheterization,Epidural,Pain Postoperative,Infection
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