解甘露醇羅爾斯頓菌(Ralstonia mannitolilytica)
細菌介紹
解甘露醇羅爾斯頓菌(Ralstonia mannitolilytica)屬于伯克霍爾德菌科(Burkholderiaceae),非發酵革蘭陰性桿菌。
臨床相關性
廣泛分布醫院環境,院內感染菌,引起菌血癥、心內膜炎、腦膜炎、肺炎、囊性纖維化病人呼吸道感染、骨髓炎、腹膜炎、菌尿癥、椎間盤炎、腹腔積血感染(hemoperitoneum infection)、胃腸炎等。
解甘露醇羅爾斯頓菌的危害非常重要,它對于免疫力正常的人來說可能威脅不大,但對于部分特定人群則可能造成嚴重的感染。
一、感染特點:通常為機會性感染,是院內感染的病原體之一
1.高危及人群:
·接受化療的腫瘤患者
·使用呼吸機的患者
·體內有植入導管(如Port-A)的患者
·術后患者(如脊柱手術)
·存在其他免疫缺陷情況的患者
2.引發疾病 :可導致菌血癥、敗血癥、肺炎、呼吸道感染等,嚴重時可發展為多器官功能障礙。
3.治療難點:對多種抗生素具有耐藥性,治療選擇有限。
二、預防建議
由于該菌常存在于水環境中,并能污染醫療器械和液體。因此,醫院嚴格的感染控制措施至關重要。這包括對水源、醫療液體和醫療器械(如呼吸機、導管)的嚴格管理和消毒。
參考文獻
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