Case Rep Infect Dis. ; doi: // Epub Jun Ewingella americana: an emerging true pathogen. Hassan S(1), Amer. Ewingella americana was isolated from two blood cultures from a year-old male after cholecystectomy. The characteristics of this strain are compared with the. PDF | Infections caused by Ewingella americana have been rarely reported in the literature. Most of the cases that have been reported were.

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However, McNeil proposed that the citrate solutions prepared in the hospital for coagulations study may have constituted an inanimated environmental reservoir and resulted in recurrent pseudobacteremia caused by E. Gram stain of sputum showed group 5 according to Washington-Murray Grading as determining the quality of specimen 5.

According to the overall considerations of symptoms and signs, laboratory findings and the clinical course following antibiotics administration, we conclude that E. Abstract Infections caused by Ewingella americana have been rarely reported in the literature.

Ewingella americana

Ewingella americana Grimont et al. Nosocomial Ewingella americana bacteremia in an intensive care unit. Since little information exists on the ecological niche of this organism, in our case we speculate on the source of contamination as saliva from the patient’s mouth.

Introduction Ewingella americana is a rare gram negative, lactose fermenting, oxidase negative, catalase positive, indole negative, facultative anaerobic bacillus first described from clinical specimens in by Grimont et al. EnterobacteriaceaeArsenophonus nasoniaeButtiauxella agrestisCedeceaCitrobacterEdwardsiellaEnterobacterErwiniaEscherichiaEwingella americana, Hafnia alveiKlebsiellaKluyveraLeclercia adecarboxylataLeminorellaMoellerella wisconsensisMorganella morganiiObesumbacterium proteusPantoeaPragia fontium ProteusProvidenciaRahnella aquatilisSalmonellaSerratiaShigellaTatumella plyseosXenorhabdusYersinaYohenella regensburgei VibrionacaeAeromonasEnhydrobacter aerosaccusPhotobacteriumPlesiomonas shigelloidesVibrio PasteurellaceaeActinobacillusHemophilusPasteurella Calymmatobacterium granulomatisCardiobacterium hominisChromobacteriumEikenella corrodensGardnerella vaginalisStreptobacillus moniliformisZymomonas.

Even the americama and route of infection have not been clearly stated, this organism, E. Americana is seen in patients who were immunosuppressed due to diabetes mellitus [ 5 ], bone marrow transplantation, chemotherapy [ 7 ], end stage renal americaha [ 10 ], and use of mercaptopurine [ 15 ].


He denied fever, chills, or rigors. Arthrocentesis was done, and the cell count of the synovial fluid showed white blood cell count of 9. National Center for Biotechnology InformationU. Eur J Clin Microbiol. Ann Microbiol Paris ; A survey of temocillin sensitivity of strains resistant to newer beta-lactam antibiotics. Grimont reported that ewigella or influenza has been developed only in 2 cases out of 5 strains 1and Farmer et al. Wound colonization by Ewingella americana.

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Case Reports in Infectious Diseases

Radiograph of the right shoulder was suggestive of osteomyelitis. The only risk factor in our patient was that he was an intravenous drug abuser while using unsterilized needles for his heroin injections; he might have inoculated the pathogen into his blood causing transient blood americna infection which ultimately seeded into his shoulder joint. This article has been cited by other articles in PMC. In the right upper extremity, there is a full thickness rotator cuff tear with a glenohumeral joint effusion and subacromial subdeltoid bursal fluid.

Based on this observation, clinicians may want to consider Ewingella Americana ewihgella an emerging true pathogen.

Calymmatobacterium granulomatisCardiobacterium hominisChromobacteriumEikenella corrodensGardnerella vaginalisStreptobacillus moniliformisZymomonas.

Though the pathogenic significance and the reservoir of Amercana americana have not been clarified, this organism has caused several pathogenic infections, especially in immunocompromised patients.

Laboratory findings were amricana follows: Cultures of the synovial fluid grew Ewingella americana. To our knowledge, this case is the first report of osteomyelitis and septic arthritis caused by E. This suggests to be the case of pneumonia caused by E. Support Center Support Center. Blood, urine and sputum samples were obtained for culture.


Septicemia with Ewingella americana.

And he was discharged with peroral medication of the antibiotics after the 15th day of admission. Physical examination revealed limited range of motion of right shoulder secondary to pain. Pockets of gas are noted in the glenohumeral joint effusion and the bursal fluid, suggestive of septic joint and septic bursitis with intramuscular abscesses.

Ceftriaxone and isepamicin Yoohan, Seoul, Korea were administered and the clinical and radiological findings were improved. This organism rarely causes human infections and has been identified from various clinical specimens including wound, sputum, urine, stool, blood 12conjunctiva 3 and peritoneal dialysate 4. National Center for Biotechnology InformationU.

Am J Forensic Med Pathol. Case of peritonitis caused by Ewingella americana in a patient undergoing continuous ambulatory peritoneal dialysis. Fatal Waterhouse-Friderichsen syndrome due to Ewingella americana infection.

It rarely causes human infections and has been identified from various clinical amdricana including sputum [ 2 ], conjunctiva [ 34 ], blood [ 5 — 8 ], wound [ 9 ], and peritoneal dialysate [ 10 ].

Isolation of Ewingella americana from a patient with conjunctivitis. Interestingly, it has also been isolated from the intestinal contents of snails and slugs [ 11 ], fresh nutria carcasses [ 12 ], vacuum packaged meat [ 13 ], and mushrooms [ 14 ] as well. Published online Feb Please review our privacy policy. You can help Wikipedia by expanding it.