An 8-day-old infant has developed fever, irritability, decreased level of consciousness, apnea, and a full anterior fontanelle. Prenatal laboratory tests results are not available, as the infant’s mother received no prenatal care and delivered at home at 36 weeks’ gestation. What routine prophylactic intrapartum antibiotic could the mother have been treated with in order to eradicate the likely cause of the infant’s illness?
一名出生8天的婴儿出现发热、易怒、意识水平下降、呼吸暂停和前囟完全。由于婴儿的母亲未接受产前护理,在妊娠36周时在家分娩,因此无法获得产前实验室检查结果。为了根除婴儿疾病的可能原因,母亲可以使用哪些常规的产时预防性抗生素治疗?
(A) Fluconazole 氟康唑(B)甲硝唑(C)莫西沙星(D)青霉素
(B) Metronidazole 甲硝唑
(C) Moxifloxacin 莫西沙
(D) Penicillin 青霉素
(E) Vancomycin 万古霉素
答案解析:
这名婴儿表现出新生儿败血症和脑膜炎的体征。新生儿败血症和脑膜炎最常见的原因是B族链球菌(GBS),它经常定植于妇女的生殖道,并可在分娩时传给婴儿。青霉素G可以为可能的GBS定植提供足够的覆盖。
正确答案:D
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