Corynebacterium group D2 pyelonephritis

Schoch, Paul E.; Ferragamo, Michael A.; Cunha, Burke A.

doi:10.1016/0090-4295(87)90602-9

Urology

1987

DOI: 10.1016/0090-4295(87)90602-9

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Corynebacterium group D2 pyelonephritis

Paul E. Schoch

Michael A. Ferragamo

Burke A. Cunha

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Cited by 16 publications

(7 citation statements)

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“…Corynebacterium group D2 has a special affinity for the urinary tract and can produce alkaline-encrusted cystitis (9), urolithiasis (2,10), pyelonephritis (3,11) or asymptomatie bacteriuria (3). Urological instrumental intervention, previous UTI, antibiotic treatment and previous lesions of the bladder are events which favour Corynebacteriurn D2 urinary tract infections (3,10).…”

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confidence: 98%

Adherence and hemagglutination ofCorynebacterium group D2

Marty¹,

Agueda²,

Lapchine³

et al. 1991

Eur. J. Clin. Microbiol. Infect. Dis.

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Sixty-one strains of Corynebacterium group D2 were examined for their ability to adhere to human uroepithelial cells and to agglutinate human and guinea-pig erythrocytes. Strains were isolated from samples of two origins: urine of bacteriuric patients and healthy skin of patients without urinary infection. In addition, the isolates were examined by scanning and transmission electron microscopy. Heavy adherence to the uroepithelial cells but weak hemagglutination were noted. No statistical association was demonstrated between the adherence and the origin of the strains (65.2% of urinary isolates and 80% of healthy skin isolates were adherent). On transmission electron microscopy, a close association was observed between adherent bacteria and cells on thin sections and only few strains were piliated with negative staining. These results do not support a role of adherence as a predictor of pathogenicity of Corynebacterium group D2 which seems to act as an opportunistic pathogen in urinary tract infections.

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confidence: 98%

Adherence and hemagglutination ofCorynebacterium group D2

Marty¹,

Agueda²,

Lapchine³

et al. 1991

Eur. J. Clin. Microbiol. Infect. Dis.

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“…Eight patients were renal transplant recipients and seven others had previous urological diseases and were older than 60 years [8]. In addition, one case of pyelonephritis was described in a 75‐year‐old male patient with bladder carcinoma who underwent cystectomy and nephrostomy [72], and one in a 49‐year‐old male patient without urological disease or manipulation [73].…”

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confidence: 99%

Microbiological and clinical features of Corynebacterium urealyticum: urinary tract stones and genomics as the Rosetta Stone

Soriano

Tauch

2008

Clinical Microbiology and Infection

100

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Corynebacterium urealyticum, formerly known as coryneform CDC group D2, was first recognized to be involved in human infections 30 years ago. It is a slow-growing, lipophilic, asaccharolytic and usually multidrug-resistant organism with potent urease activity. Its cell wall peptidoglycan, menaquinone, mycolic and cellular fatty acid composition is consistent with that of the genus Corynebacterium. DNA-DNA hybridization studies and 16S rDNA sequencing analysis have been used to determine the degree of relatedness of C. urealyticum to other corynebacterial species. The genome of the type strain consists of a circular chromosome with a size of 2 369 219 bp and a mean G + C content of 64.2%, and analysis of its genome explains the bacterium's lifestyle. C. urealyticum is a common skin colonizer of hospitalized elderly individuals who are receiving broad-spectrum antibiotics. It is an opportunistic pathogen causing mainly acute cystitis, pyelonephritis, encrusted cystitis, and encrusted pyelitis. More infrequently, it causes other infections, but mainly in patients with urological diseases. Infections are more common in males than in females, and treatment requires administration of antibiotics active against the organism in vitro, mainly glycopeptides, as well as surgical intervention, the latter mostly in cases of chronic infection. Mortality directly associated with infection by this organism is not frequent, but encrusted pyelitis in kidney-recipient patients may cause graft loss. The outcome of infection by this organism is reasonably good if the microbiological diagnosis is made and patients are treated appropriately.

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“…Its involvement in other types of infections has also been described (11)(12)(13)(14). The first infection reported in which Corynebacterium urealyticum was involved as an etiological agent was a case of pneumonia in an immunosuppressed patient (1), However, it was not 1Secci6n until 1985 that its main pathogenic role was discovered, when it was described as an important urinary tract pathogen, particularly as the etiological agent of encrusted cystitis (2).…”

mentioning

confidence: 87%

“…Since then Corynebacterium urealyticum has been studied extensively, particularly with regard to its pathogenic role in encrusted cystitis and its sensitivity to antimicrobial agents (3)(4)(5)(6)(7)(8)(9)(10). Its involvement in other types of infections has also been described (11)(12)(13)(14).…”

mentioning

confidence: 87%

“…Its involvement in other types of infections has also been described (11)(12)(13)(14).The pathogenicity of Corynebacteriu m urealyticure has been associated with strong urease activity (15), similar to that of other urea-splitting microorganisms involved in urinary tract infections (UTIs), such as Proteus spp. Corynebacteriura urealyticum was isolated from 67 samples (0.32 %).…”

mentioning

confidence: 98%

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Incidence and characteristics of urinary tract infections caused byCorynebacterium urealyticum (Corynebacterium group D2)

Nebreda-Mayoral¹,

Muñoz‐Bellido

Garcı́a-Rodrı́guez

1994

Eur. J. Clin. Microbiol. Infect. Dis.

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The incidence and characteristics of urinary tract infections caused by Corynebacterium urealyticum were studied prospectively in 20,766 urine samples. Corynebacterium urealyticum was isolated from 67 samples (0.32%). Twenty-four percent of the patients from whom Corynebacterium urealyticum was isolated showed mild symptoms and had no risk factors other than prolonged hospitalization and previous antibiotic treatment. Sixty percent of the patients had urinary tract-related symptoms. The main risk factors were underlying urinary tract disease, antibiotic treatment, prolonged hospitalization and urological manipulation. Patients with antimicrobial treatment had a favourable clinical course, with the exception of two patients with encrusted cystitis.

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Corynebacterium group D2 pyelonephritis

Cited by 16 publications

References 3 publications

Adherence and hemagglutination ofCorynebacterium group D2

Adherence and hemagglutination ofCorynebacterium group D2

Microbiological and clinical features of Corynebacterium urealyticum: urinary tract stones and genomics as the Rosetta Stone

Incidence and characteristics of urinary tract infections caused byCorynebacterium urealyticum (Corynebacterium group D2)

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