Colonization of nursing professionals by Staphylococcus aureus

Moura, Josely Pinto de; Pimenta, Fabiana Cristina; Hayashida, Miyeko; Cruz, Elaine Drehmer de Almeida; Canini, Sílvia Rita Marin da Silva; Gir, Elucir

doi:10.1590/s0104-11692011000200014

Cited by 23 publications

(13 citation statements)

References 16 publications

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“…A study in a public hospital in the interior of the State of São Paulo suggested that nurses and nursing technicians are the professional class that is most colonized by MRSA, citing prevalences of 7.1% among nurses 28 and 10.8% among nursing technicians.…”

Section: Discussionmentioning

confidence: 99%

The occurrence and dissemination of methicillin and vancomycin-resistant Staphylococcus in samples from patients and health professionals of a university hospital in Recife, State of Pernambuco, Brazil

Rabelo

Neto

Loibman

et al. 2014

Rev. Soc. Bras. Med. Trop.

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Introduction: Methicillin-resistant Staphylococcus aureus (MRSA) strains have been responsible for many nosocomial outbreaks. Within hospitals, colonized employees often act as reservoirs for the spread of this organism. This study collected clinical samples of 91 patients admitted to the intensive care unit (ICU), hemodialysis/nephrology service and surgical clinic, and biological samples from the nasal cavities of 120 professionals working in those environments, of a University Hospital in Recife, in the State of Pernambuco, Brazil. The main objective of this study was to determine the occurrence and dissemination of methicillin-and vancomycin-resistant Staphylococcus spp. Methods: The isolates obtained were tested for susceptibility to oxacillin and vancomycin and detection of the mecA gene. In addition, the isolates were evaluated for the presence of clones by ribotyping-polymerase chain reaction (PCR). Results: MRSA occurrence, as detected by the presence of the mecA gene, was more prevalent among nursing technicians; 48.1% (13/27) and 40.7% (11/27) of the isolates were from health professionals of the surgical clinic. In patients, the most frequent occurrence of mecA-positive isolates was among the samples from catheter tips (33.3%; 3/9), obtained mostly from the hemodialysis/nephrology service. Eight vancomycin-resistant strains were found among the MRSA isolates through vancomycin screening. Based on the amplifi cation patterns, 17 ribotypes were identifi ed, with some distributed between patients and professionals. Conclusions: Despite the great diversity of clones, which makes it diffi cult to trace the source of the infection, knowledge of the molecular and phenotypic profi les of Staphylococcus samples can contribute towards guiding therapeutic approaches in the treatment and control of nosocomial infections.

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Section: Discussionmentioning

confidence: 99%

The occurrence and dissemination of methicillin and vancomycin-resistant Staphylococcus in samples from patients and health professionals of a university hospital in Recife, State of Pernambuco, Brazil

Rabelo

Neto

Loibman

et al. 2014

Rev. Soc. Bras. Med. Trop.

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“…One study undertaken with health professionals emphasizes the need to implement strategies which cover public policies directed at programs for the control of this pathogen in the hospital setting, promoting broad discussions on this topic (13) .…”

Section: Discussionmentioning

confidence: 99%

Nasal colonization with Staphylococcus aureus in individuals with HIV/ AIDS attended in a Brazilian Teaching Hospital

Reinato

Pio

Lopes

et al. 2013

Rev. Latino-Am. Enfermagem

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OBJECTIVE: to evaluate the prevalence of nasal colonization with Staphylococcus aureus in individuals with HIV/AIDS under inpatient treatment in a teaching hospital in the state of São Paulo (Brazil). METHOD: a cross-sectional study undertaken in two units specialized in attending people living with HIV/AIDS, in the period August 2011 - July 2012. Socio-demographic and clinical data was collected through individual interviews and from the medical records; samples of nasal secretion were collected with Stuart swabs on the first day of inpatient treatment. Ethical aspects were respected. RESULT: of the 229 individuals with HIV/AIDS hospitalized in this period, 169 participated in the study, with Staphylococcus aureus being identified in the culture tests of 46 (27.2%) of the individuals, resistance to oxacillin being evidenced in 10 (21.8%) participants. CONCLUSION: the results of the research indicate that the prevalence of colonization with Staphylococcus aureus in individuals with HIV/AIDS in the specialized units was considered relevant, possibly contributing to future investigations and, moreover, to the implementation of measures to prevent and control this pathogen in this population.

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“…Furthermore, S. aureus has also been frequently detected among the oral flora, and it may play an important role in both health and disease [107]. The prevalence of S. aureus in saliva or at the oral mucosa ranges from 4% [108] to 64% [109] in healthy populations to (41-68%) in the saliva of healthcare providers [110, 111]. In dental plaque of healthy adults, S. aureus was isolated with a frequency of 24 to 36% [112].…”

Section: Staphylococcus Aureus In the Oral Cavitymentioning

confidence: 99%

“…In dental plaque of healthy adults, S. aureus was isolated with a frequency of 24 to 36% [112]. Also, some strains of methicillin-resistant S. aureus could be infrequently (<3% prevalence) detected in the dental plaque from healthy subjects [111, 113, 114]. …”

Section: Staphylococcus Aureus In the Oral Cavitymentioning

confidence: 99%

Implications of salivary protein binding to commensal and pathogenic bacteria

Heo

Rühl

Scannapieco

2013

Journal of Oral Biosciences

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An important function of salivary proteins is to interact with microorganisms that enter the oral cavity. For some microbes, these interactions promote microbial colonization. For others, these interactions are deleterious and result in the elimination of the microbe from the mouth, This paper reviews recent studies of the interaction of salivary proteins with two model bacteria; the commensal species Streptococcus gordonii, and the facultative pathogen Staphylococcus aureus. These organisms selectively interact with a variety of salivary proteins to influence important functions such as bacterial adhesion to surfaces, evasion of host defense, bacterial nutrition and metabolism and gene expression.

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Colonization of nursing professionals by Staphylococcus aureus

Cited by 23 publications

References 16 publications

The occurrence and dissemination of methicillin and vancomycin-resistant Staphylococcus in samples from patients and health professionals of a university hospital in Recife, State of Pernambuco, Brazil

The occurrence and dissemination of methicillin and vancomycin-resistant Staphylococcus in samples from patients and health professionals of a university hospital in Recife, State of Pernambuco, Brazil

Nasal colonization with Staphylococcus aureus in individuals with HIV/ AIDS attended in a Brazilian Teaching Hospital

Implications of salivary protein binding to commensal and pathogenic bacteria

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