Department of Medical Microbiology and Immunology, Faculty of Medicine, Universiti Kebangsaan Malaysia, 56000 Kuala Lumpur, Malaysia.
Department of Pathology and Laboratory Medicine, Kulliyyah of Medicine, International Islamic University Malaysia, 25200 Kuantan, Pahang, Malaysia.
Trop Biomed. 2019 Dec 1;36(4):883-887.
Shewanella spp. are infrequently implicated in human infections but they are emerging pathogens with particular significance in regions with warm climates, such as Southeast Asia. This is a case of a middle-aged diabetic and hypertensive man who presented with worsening congestive heart failure symptoms associated with fever and a painful right leg. His right leg had numerous scabs and was tender, warm and erythematous. He was provisionally diagnosed with decompensated heart failure precipitated by cellulitis and uncontrolled hypertension. His blood grew non-fermentative, oxidase-positive and motile gram-negative bacilli which produced hydrogen sulfide on triple sugar iron agar. When cultured on blood agar, mucoid and weakly β-haemolytic colonies were observed after 48 hours. API 20 NE named the isolate as Shewanella putrefaciens but 16S rRNA sequence analysis identified the organism as Shewanella algae. The patient was treated with a 10-day course of ceftazidime, which resulted in the resolution of the cellulitis.
希瓦氏菌属很少引起人类感染，但它们是新兴的病原体，在气候温暖的地区（如东南亚）具有特殊意义。这是一名中年糖尿病和高血压男性患者，他因发热和右腿疼痛而出现充血性心力衰竭症状恶化。他的右腿有许多痂，触痛、温暖且红斑。他被初步诊断为因蜂窝织炎和未控制的高血压而导致的失代偿性心力衰竭。他的血液中生长出非发酵、氧化酶阳性和运动性革兰氏阴性杆菌，在三糖铁琼脂上产生硫化氢。当在血琼脂上培养时，48 小时后观察到粘液状和弱β-溶血菌落。API 20NE 将分离株命名为腐败希瓦氏菌，但 16S rRNA 序列分析鉴定出该生物体为海栖费氏菌。患者接受了 10 天的头孢他啶治疗，导致蜂窝织炎得到解决。
