Objective To summarize the clinical features of infection with Staphylococcus intermedius and its differential diagnosis.
Methods A clinical case of Staphylococcus intermedius infection was analyzed and Chinese literatures about Staphylococcus intermedius infection were reviewed.The literatures were derived from domestic medical journals in CNKI Digital Library and Wanfang Databases from 1998 to 2015.
Results The patient was a 35-year-old male.The chief complaints were cough and sputum associated with fever for three days.Chest CT scan showed cuneate and flocculent shadow with high density and unclear margin in the posterior segment of the right upper lobe and aerated bronchus sign was seen.Fuzzy shadow under the pleural was observed in the right lower lobe; On the right side of the chest, a little curved liquid density was seen.Sputum culture in Columbia blood agar plate and chocolate agar plate was done and Staphylococcus intermedius was identified.The final diagnosis of this patient was pneumonia caused by Staphylococcus intermedius.Fleroxacin 0.4 g per day was given by intravenous drip.Two weeks later, chest CT scan showed cuneate and flocculent shadow in the right upper lobe decreased obviously.Fuzzy shadow under the pleural the right lower lobe and pleural effusion on the right side of the chest disappeared.Four cases with Staphylococcus intermedius infection were reported and 3 were children.Two patients had open wound with infection.The involved organs included brain, joints, lungs, and one patient developed septicemia.Staphylococcus intermedius was identified from blood, sputum, cerebrospinal fluid, and pus from the open wound.By treatment with sensitive antibiotics three patients were cured but one patient with meningoencephalitis died of circulatory failure.
Conclusions Staphylococcus intermedius infection can occur in many organs and its clinical manifestations are dependent on the infected location.Specimen culture for pathogen is necessary and blood, sputum, cerebrospinal fluid, and pus from the open wound are optional candidates.Cultivation of Staphylococcus intermedius is similar to that of Staphylococcus aureus and should be differentiated carefully.Early treatment with high sensitive antibiotics is effective with good prognosis.
Citation：
XieHongqi, LiuWei, ZengChunyan, LinYan, HuangLianjiang. Pneumonia Caused by Staphylococcus intermedius: A Case Report and Literature Review. Chinese Journal of Respiratory and Critical Care Medicine, 2016, 15(1): 26-29. doi: 10.7507/1671-6205.2016007
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Copyright © the editorial department of Chinese Journal of Respiratory and Critical Care Medicine of West China Medical Publisher. All rights reserved
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Tanner MA, Everft CL, Youvan DC, et al. Molecular phylogenetic evidence for noninvasive zoonotic transmission of Staphylococcus from a canine pet to a human. J Clin Microbiol, 2000, 38:1628-1631.
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Roberson JR, Fox LK, Hancock DD, et al. Evaluation of methods for differentiation of coagulase-positive staphylococci. J Clin Microbiol, 1992, 30:3217-3219.
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张旭, 曾玲.中间型葡萄球菌的鉴定及抗生素敏感性观察.实用医技杂志, 2003, 10:504.
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邱菊红, 周如菊, 魏光琴.中间型葡萄球菌的鉴定方法探讨.湖北预防医学杂志, 2001, 12:33.
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- 1. Tanner MA, Everft CL, Youvan DC, et al. Molecular phylogenetic evidence for noninvasive zoonotic transmission of Staphylococcus from a canine pet to a human. J Clin Microbiol, 2000, 38:1628-1631.
- 2. Roberson JR, Fox LK, Hancock DD, et al. Evaluation of methods for differentiation of coagulase-positive staphylococci. J Clin Microbiol, 1992, 30:3217-3219.
- 3. Wakita Y, Wano JK, Shimazu A, et al. Development of a PCR test for the identification of Staphylococcus intermedius based on the 16s rDNA sequence. J Vet Med Sci, 2002, 64:603-605.
- 4. 罗华, 胡晓明.中间型葡萄球菌感染表现类华佛氏综合征1例.川北医学院学报, 2003, 18:181.
- 5. 王跃辉, 吕岩, 高莹.1例耐苯唑西林的中间型葡萄球菌.中国实验诊断学, 2005, 9:368.
- 6. 赵联营.中间型葡萄球菌引起左下肢感染致脓毒败血症一例报告.临床检验杂志, 1990, 8:219.
- 7. 李翠英.中间型葡萄球菌感染一例.中华医学检验杂志, 1998, 21:42.
- 8. 张丽芳, 僮巍, 刘先菊.雪貂葡萄球菌的分离与鉴定.中国比较医学杂志, 2010, 20:50-52.
- 9. 张旭, 曾玲.中间型葡萄球菌的鉴定及抗生素敏感性观察.实用医技杂志, 2003, 10:504.
- 10. 邱菊红, 周如菊, 魏光琴.中间型葡萄球菌的鉴定方法探讨.湖北预防医学杂志, 2001, 12:33.
