Kocuria kristinae infection associated with acute cholecystitis

S.K., Edmond; Wong, Chris L. P.; Lai, Kristi Tw; Chan, Edmond C.H.; Yam, WC; Chan, Annie On On

doi:10.1186/1471-2334-5-60

Cited by 74 publications

(70 citation statements)

References 20 publications

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“…Studies have suggested a relation between the use of antimicrobial agents in livestock animals and in emergence pathogens of human with a decreased in the susceptibility or completely resistance to antibiotics (Schjørring and Krogfelt, 2011;Landers et al, 2012;Santos, 2010). High levels of multiple resistance represent a potential risk to human health and can difficult the treatment of diseases in animals and humans, exacerbating the curable clinical cases (Ma et al, 2005).…”

Section: Introductionmentioning

confidence: 99%

Identification and antimicrobial suceptibility profile of bacteria causing bovine mastitis from dairy farms in Pelotas, Rio Grande do Sul

et al. 2018

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Mastitis is an inflammatory process of the udder tissue caused mainly by the bacteria Staphylococcus aureus. The indiscriminate use of antibiotics fosters conditions that favor the selection of resistant microorganisms, suppressing at the same time susceptible forms, causing a serious problem in dairy cattle. Given the importance in performing an antibiogram to select the most adequate antimicrobial therapy, the aim of this study was to identify bacteria isolated from cow's milk with mastitis, in dairy farms situated in the city of Pelotas, Rio Grande do Sul, and to determinate the susceptibility profile of these isolates against the antibiotics used to treat this illness. A total of 30 isolates of Staphylococcus spp., were selected from milk samples from the udder quarters with subclinical mastitis whose species were identified through the Vitek system. The susceptibility profile was performed by the disk diffusion assay, against: ampicillin, amoxicillin, bacitracin, cephalexin, ceftiofur, enrofloxacin, gentamicin, neomycin, norfloxacin, penicillin G, tetracycline and trimethoprim. In the antibiogram, 100.0% of the isolates were resistant to trimethoprim and 96.7% to tetracycline and neomycin, three strains of Staphylococcus spp., (10.0%) presented resistance to the 12 antibiotics tested and 24 (80.0%) to at least eight. These results showed the difficulty in treating mastitis, due to the pathogens' resistance.Keywords: bovine mastitis, identification of microorganisms, bacterial resistance. Identificação e perfil de suscetibilidade antimicrobiana de bactérias causadoras de mastite bovina em propriedades leiteiras de Pelotas, Rio Grande do Sul ResumoA mastite se constitui no processo inflamatório da glândula mamária causada principalmente por bactérias Staphylococcus aureus. O uso indiscriminado dos antibióticos promove condições que favorecem a seleção de micro-organismos resistentes e, ao mesmo tempo, suprime formas suscetíveis, causando um grave problema para a bovinocultura leiteira. Tendo em vista a importância da realização do antibiograma para a seleção da terapia antimicrobiana mais adequada, o objetivo deste estudo foi identificar bactérias isoladas de leite de vaca com mastite, oriundas de propriedades leiteiras localizadas na cidade de Pelotas, RS, bem como determinar o perfil de suscetibilidade desses isolados frente a antibióticos usados para o tratamento desta doença. Foram selecionados 30 isolados de Staphylococcus spp. de amostras de leite provenientes de quartos mamários com mastite subclínica, cujas espécies foram identificadas através do sistema Vitek. O perfil de suscetibilidade foi realizado pela técnica de difusão em disco, frente a:

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Section: Introductionmentioning

confidence: 99%

Identification and antimicrobial suceptibility profile of bacteria causing bovine mastitis from dairy farms in Pelotas, Rio Grande do Sul

et al. 2018

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“…Although these bacteria may be considered as environmental, being found in soil and water systems, they may be potentially pathogenic in susceptible individuals. Case reports have shown infectivity by several of these bacteria, but they are generally catheter-related bacteraemias 23,24 or infections in immunocompromised individuals 25 , with one report of fatal infection 26 . The actual risk these organisms pose to technicians or patients is unknown, but reducing the risk of potentially infective solutions would be advisable.…”

Section: Discussionmentioning

confidence: 99%

“…The potential pathogenicity of these organisms is unknown from contamination of removable orthodontic appliances, but has been shown to be infective in susceptible, immunocompromised patients. However, this is generally related to invasive medical treatment, indwelling urinary catheters 23 or central venous catheters.…”

Section: Discussionmentioning

confidence: 99%

Microbial contamination of laboratory constructed removable orthodontic appliances

et al. 2014

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General rightsThis document is made available in accordance with publisher policies. Please cite only the published version using the reference above. Full terms of use are available: http://www.bristol.ac.uk/pure/about/ebr-terms AbstractObjectives: To determine whether laboratory constructed removable orthodontic appliances are free from microbial contamination prior to clinical use and to evaluate the dental hospital cross-infection procedures to ensure patient-derived contamination does not enter the construction process, thereby propagating a cycle of cross-contamination. Materials and Methods:The construction process of removable orthodontic appliances from three individuals was evaluated at every stage, from impression to final delivery of the appliance using molecular microbiological techniques. The bacterial profiles at each stage of appliance construction were obtained using Denaturing Gradient Gel Electrophoresis, along with the bacterial profiles of the three participants' saliva. This enabled the bacterial profiles found at each stage of construction to be compared directly with the saliva of the person for whom the appliance was being constructed. Bacteria were identified at each stage by using 16S rDNA PCR amplification and sequence phylogeny. Results:There was no evidence of bacterial cross-contamination from patients to the laboratory. The current process of disinfection of impression appears to be adequate. Contamination was found on the final removable appliances (0.97x10 2 -1.52x10 3 cfu ml -1) and this contamination occurred from within the laboratory itself. Conclusions:Every effort is made to reduce potential cross-infection to patients and dental professionals. Newly constructed removable appliances to be shown not to be free from contaminated with bacteria prior to clinical use, but this contamination is environmental. Further studies would be required to determine the level of risk this poses to patients.Clinical significance: Dental professionals have a duty of care to minimise or eradicate potential risks of crossinfection to patients and other members of the team. To date much less attention has been paid to contamination from the orthodontic laboratory so contamination and infection risks are unknown.

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“…Kocuria is a member of the Micrococcaceae family, which presently comprises 18 species [3]. Although generally regarded as harmless saprophytes that inhabit or colonize skin and oropharynx mucosa this aerobic, non-encapsulated, nonmotile bacteria can cause opportunistic infection in the immunocompromised host [3].…”

Section: Discussionmentioning

confidence: 99%

Isolated Mediastinal Kocuria rosea Infection Mimicking Malignancies

et al. 2015

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Isolated mediastinal Kocuria rosea infection is a rare condition and presentation can be variable. We report an unusual case of Kocuria rosea infection which presented as solitary pulmonary nodules and isolated lymph node swelling, entirely confined within the tracheal bifurcation and 18-fluoredeoxyglucose position emission tomography and computed tomography (18FDG PET/CT)-avid, thereby mimicking a neoplastic lesion. Owing to the large differential diagnosis, which includes diseases such as pulmonary neoplasia and lymph node metastases, a biopsy via mediastinoscopy was to be attempted, so hopefully avoiding thoracotomy. Histopathology analysis of the resected mediastinal lymph nodes (MLNs) demonstrated no malignant cells, but rather necrotizing MLNs, which is classically associated with Kocuria rosea infection. The patient was asymptomatic and biopsy allowed a precise diagnosis. Kocuria rosea infection is rare; it should be considered when FDG PET shows intense FDG uptake in non-regionally swollen lymph nodes.

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Kocuria kristinae infection associated with acute cholecystitis

Abstract: Background: Kocuria, previously classified into the genus of Micrococcus, is commonly found on human skin. Two species, K. rosea and K. kristinae, are etiologically associated with catheter-related bacteremia.

Cited by 74 publications

References 20 publications

Identification and antimicrobial suceptibility profile of bacteria causing bovine mastitis from dairy farms in Pelotas, Rio Grande do Sul

Identification and antimicrobial suceptibility profile of bacteria causing bovine mastitis from dairy farms in Pelotas, Rio Grande do Sul

Microbial contamination of laboratory constructed removable orthodontic appliances

Isolated Mediastinal Kocuria rosea Infection Mimicking Malignancies

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