Tachibana Takayuki, Mouri Naoto, Sano Chiaki, Ohta Ryuichi
Family Medicine, Shimane University Medical School, Izumo, JPN.
Community Care, Unnan City Hospital, Unnan, JPN.
Cureus. 2022 Mar 9;14(3):e23001. doi: 10.7759/cureus.23001. eCollection 2022 Mar.
, a subtype of ,causes chronic upper respiratory tract infections, such as rhinitis and rhinoscleroma, and can also cause lethal infections. We report the case of a patient who developed pneumonia caused by . An 87-year-old man presented to our hospital with fever and chills. Physical examination revealed no findings other than bilateral crackles in the lower lung fields. Chest computed tomography (CT) showed infiltrative shadows in the lower left lung field. Moreover, was detected in blood cultures. Based on the examination results, including radiography and blood culture, the patient was diagnosed with pneumonia caused by . On admission, the patient was treated with intravenous ceftriaxone (CTRX), but he did not recover. After determining the antibiotic susceptibility of , we stopped administering CTRX and started ampicillin/sulbactam (ABPC/SBT) treatment for two weeks. During the ABPC/SBT administration, a second chest CT showed a new infiltrative shadow in the upper left lung field. Despite these findings, the patient was discharged from the hospital as his vital signs were stable and his general condition was good. After two weeks of ABPC/SBT treatment, the patient was switched to minocycline and followed up. Although infections caused by are rare, they can be life-threatening. identification in a patient's blood culture indicates a potentially impaired immune system, prompting physicians to evaluate the patient's immune system.
，作为的一种亚型，可引发慢性上呼吸道感染，如鼻炎和鼻硬结病，也可导致致命感染。我们报告了一例由引发肺炎的患者病例。一名87岁男性因发热和寒战前来我院就诊。体格检查发现除双下肺野有湿啰音外无其他异常。胸部计算机断层扫描（CT）显示左下肺野有浸润性阴影。此外，血培养中检测到。根据包括影像学检查和血培养在内的检查结果，该患者被诊断为由引起的肺炎。入院时，患者接受了静脉注射头孢曲松（CTRX）治疗，但未康复。在确定的抗生素敏感性后，我们停止使用CTRX并开始使用氨苄西林/舒巴坦（ABPC/SBT）治疗两周。在使用ABPC/SBT期间，第二次胸部CT显示左上肺野出现新的浸润性阴影。尽管有这些发现，但由于患者生命体征稳定且一般状况良好，他还是出院了。经过两周的ABPC/SBT治疗后，患者改用米诺环素并进行随访。虽然由引起的感染很少见，但可能危及生命。在患者血培养中检测到表明其免疫系统可能受损，促使医生评估患者的免疫系统。
