A Case of<i>Arcanobacterium haemolyticum</i>Bacteremia and Osteomyelitis Diagnosed by 16s rRNA Sequencing

Bae, Soo Young; Choi, Shin-Young; Kang, Suna; Jang, Hee Chang; Park, Kyung Hwa; Jung, Sook In; Shin, Jong Hee

doi:10.3947/ic.2010.42.4.241

Cited by 5 publications

(3 citation statements)

References 14 publications

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“…In addition, the CAMP inhibition and reverse CAMP tests using Streptococcus agalactiae were positive. Several previous studies have confused CAMP inhibition (β-haemolysis inhibition) with reverse CAMP (β-haemolysis enhancement) ( Kim et al , 2004 ; Bae et al , 2010 ).…”

Section: Discussionmentioning

confidence: 99%

Haemolytic differential identification of Arcanobacterium haemolyticum isolated from a patient with diabetic foot ulcers

Kang¹,

Park²,

Kim³

et al. 2016

JMM Case Reports

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Introduction:Arcanobacterium haemolyticum (formerly known as Corynebacterium haemolyticum) is the causative agent of sore throat and also causes skin and soft tissue infections in diabetes patients. A. haemolyticum is a Gram-positive, catalase-negative, β-haemolytic bacillus. A. haemolyticum poses a diagnostic challenge in the hospital laboratory because most coryneform bacilli are considered as normal flora or contaminants, and it is therefore difficult to differentiate from β-haemolytic streptococci by colony characteristics.Case presentation:A. haemolyticum was isolated from a diabetic patient with foot ulcers and the isolate was identified by using a VITEK-2 system, CAMP inhibition test, reverse CAMP test and a 23S rRNA gene sequence analysis. The isolated A. haemolyticum inhibited haemolysis of Staphylococcus aureus in the CAMP test and enhanced haemolysis of Streptococcus agalactiae in the reverse CAMP test. The diabetic patient was treated with teicoplanin and imipenem, and the ulcers healed within 2 weeks.Conclusion:The present study suggests that a haemolytic differential method using the CAMP inhibition and reverse CAMP tests can be useful for differentiating A. haemolyticum from β-haemolytic streptococci.

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Section: Discussionmentioning

confidence: 99%

Haemolytic differential identification of Arcanobacterium haemolyticum isolated from a patient with diabetic foot ulcers

Kang¹,

Park²,

Kim³

et al. 2016

JMM Case Reports

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show abstract

“…Szacuje się, że nawet 0,5-2,5% przypadków zapalenia gardła może być wywołanych przez ten gatunek, a w 20-50% przypadków zapalenia gardła o tej etiologii występuje wysypka [32,40]. Rzadziej bakterie te mogą wywoływać zapalenie kości [5,50], martwicze zapalenie powięzi [44,50], zapalenie skóry, tkanek miękkich i tkanki łącznej [23,36]. Bakterie te zazwyczaj pozostają wrażliwe na antybiotyki takie jak: penicyliny, cefalosporyny, karbapenemy, makrolidy, fluororchinolony, tetracykliny, rifampicynę i wankomycynę.…”

Section: Pałeczki Gram-dodatnieunclassified

“…It is estimated that even 0.5-2.5% of the cases of pharyngitis can be induced by this species, and 20-50% of the cases of pharyngitis with this aetiology are accompanied by a rash [32,40]. Less often, these bacteria can cause osteoarthritis [5,50], necrotizing fasciitis [44,50], dermatitis, inflammation of the soft tissue and connective tissue [23,36]. These bacteria usually remain sensitive to antibiotics such as penicillins, cephalosporins, carbapenems, macrolides, fluoroquinolones, tetracyclines, rifampicin and vancomycin.…”

Section: Gram-positive Rodsmentioning

confidence: 99%

New Species Of Bacteria In Human Infections

Sękowska

Gospodarek‐Komkowska

2019

Postępy Mikrobiologii - Advancements of Microbiology

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In the last few years, there have been works in literature describing clinical cases of infections with bacteria previously considered to be non-pathogenic. So far, these bacteria have been commonly isolated from the natural environment: water, soil, plants, and isolation from a sample of clinical material has often been considered an impurity. Therefore, the aim of the paper was to draw attention to newly emerging bacterial species, their characteristics, biochemical properties, virulence factors and predisposition to selected forms of infection in groups of patients with specific risk factors. The impact on the more frequent isolation of species of bacteria previously considered to be non-pathogenic has several aspects: reliable diagnostic methods, including correct identification of the species, enabling the differentiation of closely related bacteria, the growing group of immune-compromised patients and with infectious risk factors (such as older age, diabetes, tumours, organ transplantation), more susceptible to infection, also with less pathogenic microorganisms. Greater adaptability of bacteria to new environmental conditions, including the human body, are also worth mentioning. The pathogenic effect of these bacteria, mainly related to the production of biofilms and factors conditioning adhesion to host cells or biomaterials, facilitating colonization and subsequent infection, is also important. The progress in medicine that has taken place in recent years has positively influenced the life expectancy of patients with certain diseases and in many situations, it contributed to an improvement in its quality. Unfortunately, it also made it possible to cause infection with bacteria that were previously considered to be low or non-pathogenic.

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Osteomyelitis infection caused by Arcanobacterium haemolyticum in a diabetic patient: A first case report

Saeb

Al‐Rubeaan

Mani³

et al. 2021

IDCases

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A Case ofArcanobacterium haemolyticumBacteremia and Osteomyelitis Diagnosed by 16s rRNA Sequencing

Cited by 5 publications

References 14 publications

Haemolytic differential identification of Arcanobacterium haemolyticum isolated from a patient with diabetic foot ulcers

Haemolytic differential identification of Arcanobacterium haemolyticum isolated from a patient with diabetic foot ulcers

New Species Of Bacteria In Human Infections

Osteomyelitis infection caused by Arcanobacterium haemolyticum in a diabetic patient: A first case report

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