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The Journal of the Japanese Society for Clinical Microbiology |
Biblioraphy Information
| ArticleTitle |
A case of sepsis, empyema by Shewanella algae and the characteristics of the isolation |
| Language |
J |
| AuthorList |
Masaki Kinjo1), Yukie Koja1), Junri Chibana1), Takashi Shinzato2) |
| Affiliation |
1) Clinical Laboratory, Nakagami Hospital
2) Department of Infectious Diseases and General Internal Medicine, Nakagami Hospital |
| Publication |
J.J.C.M.: 27 (3), 183-187, 2017 |
| Received |
January 10, 2017 |
| Accepted |
April 21, 2017 |
| Abstract |
We describe a rare case of bacteremia and empyema caused by Shewanella algae, and summarize points of attention in identification for the organism. A 83-year-old man with chronic obstructive pulmonary disease admitted to our hospital because of short of breath on effort for several days and left chest pain on the day. Chest X-ray showed left pleural effusion, and analysis of the fluid revealed empyema. He was successfully treated with administration of ceftriaxone and drainage of the thoracic fluid. Gram-negative bacillus was isolated from blood and pleural fluid cultures on admission. Automated identification system of VITEK 2 and MALD-TOFF MS identified the isolate as S. algae. The characteristics of colonies with weak beta-hemolysis on sheep blood agar to grow at 42 degrees C, oxidase-positive, and production of hydrogen sulphide were compatible with those of S. algae. The infection in the present case was suspected to link to his usual contact with seawater and habit of eating raw fish around Okinawa islands with a warm climate. Considerable attention is required in the identification of S. algae using automated identification systems, some of which fail to identify the organism, as it is not included in the databases of these systems. |
| Keywords |
Shewanella algae |
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