多形擬桿菌(Bacteroides thetaiotaomicron)
簡介
多形擬桿菌(Bacteroides thetaiotaomicron)屬于擬桿菌科(Bacteroidaceae),厭氧革蘭陰性桿菌。
臨床相關性
腸道、口腔、陰道、呼吸道菌群,臨床第二常見擬桿菌。作為益生菌用于臨床某些疾病輔助治療。偶見引起心內膜炎、菌血癥、傷口感染、慢性脊柱旁肌肉膿腫(chronic paravertebral muscle abscess)、腦膜炎、陰道穹窿膿腫(vaginal cuff )、腹透病人腹膜炎等。
藥敏試驗
瓊脂稀釋法(或肉湯稀釋法)檢測MIC, 實驗方法參考M11,受試抗生素及其折點可參考CLSI M100ED36 Table1&2當前抗生素敏感率統計數據請參考M100ED36相應附錄“anaerobe cuulative antibiogram";KB法實驗方法及折點可參考EUCAST相應折點表。
參考文獻
1.Miragliotta G, et al. Bacteroides thetaiotaomicron in posthysterectomy infection. Anaerobe. 2006 Oct- Dec;12(5-6):276-8.
2.Wu ZC, et al. Genome sequence and annotation of Bacteroides sp aff. Thetaiotaomicron strain isolated from blood. Infect Genet Evol. 2021 Jul;91:104816.
3.Beshai R, et al.Infective Endocarditis Secondary to Bacteroides Thetaiotaomicron in a Patient With Uterine Smooth Muscle Tumor of Uncertain Malignant Potential: A Case Report and Review of the Literature. Cureus. 2022 Mar 22;14(3):e23403.
4.Kim J, et al. Anaerobic Bacteremia: Impact of Inappropriate Therapy on Mortality. Infect Chemother.2016 Jun;48(2):91-8.


