本文报道1例罕见的由拔牙引起的败血症,血培养为B组1型,P1.9亚型脑膜炎奈瑟氏菌。 患者女性,84岁,既往体健。因骨盆骨折住院,经保守治疗后恢复。入院时一般状况好,无免疫缺陷征。常规检查牙齿情况极差,口腔无感染症。牙医作局部麻醉后将剩余的20颗牙及牙根拔除,虽无手术并发症,但未给予预防性抗生素和局部预防性处理。 This article reports a rare cases of septicemia caused by tooth extraction, blood culture for Group B Group 1, P1.9 subtype Neisseria meningitidis. Female patient, 84 years old, previously healthy. Hospitalized for pelvic fractures, after conservative treatment, recovery. General condition at admission is good, no immune deficiency sign. Routine dental examination is very poor, no oral disease. After the dentist performed the local anesthesia, the remaining 20 teeth and the root were removed. Although there was no surgical complication, no preventive antibiotics and local preventive treatment were given.