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Registros recuperados: 11
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Microbiota associated with tramp ants in a Brazilian University Hospital Neotropical Entomology
Teixeira,Maxelle M; Pelli,Afonso; Santos,Vitorino M dos; Reis,Maria das G.
Our aim was to study the fauna of ants in the Hospital Universitário of the Universidade Federal do Triângulo Mineiro, municipality of Uberaba, Minas Gerais State, Brazil, as well as to identify the microorganisms the ants carry and their patterns of resistance to antibiotics. Sterile tubes (traps) containing honey were used to attract the ants. Traps were exposed for 3h, and those which attracted ants were considered the test group, while the ones that did not attract the insects constituted the control group. Only the ant species Tapinoma melanocephalum (Fabricius) was sampled. Sixty microorganisms were isolated from the sampled ants, including seven Gram-positive bacilli, 14 Gram-negative bacilli, 22 Gram-positive cocci and 17 filamentous fungi....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Hospital infection; Pathogenic microorganism; Antimicrobial resistance; Distribution.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2009000400017
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Urban ants and transportation of nosocomial bacteria Neotropical Entomology
Rodovalho,Cynara M.; Santos,Ana L.; Marcolino,Marcus T.; Bonetti,Ana M.; Brandeburgo,Malcon A.M..
Many ant species displaying synanthropic behavior that have successfully dispersed in urban areas can cause problems in hospitals by acting as bacterial vectors. In this study, we encountered bacteria on ants collected at the Universidade Federal de Uberlândia hospital, in the campus and at households nearby. The ants were identified as Tapinoma melanocephalum (Fabricius) and Camponotus vittatus (Forel) (Hymenoptera: Formicidae) and the bacterial strains found here belong to the group of the coagulase-positive staphylococcus, coagulase-negative staphylococcus and gram negative bacilli, including antimicrobial drug-resistant strains. An investigation of the bacteria found in the ants and in the environment revealed that some ants carried non-isolated...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Hospital infection; Melanocephalum; Camponotus vittatus; Vector.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2007000300014
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Hospital gowns as a vehicle for bacterial dissemination in an intensive care unit BJID
Pilonetto,Marcelo; Rosa,Edvaldo Antonio Ribeiro; Brofman,Paulo Roberto Slud; Baggio,Daniela; Calvário,Francine; Schelp,Cristiane; Nascimento,Aguinaldo; Messias-Reason,Iara.
The microbiota from the uniforms of 31 professionals from the general intensive care unit was analyzed. The samples were collected in duplicate at the beginning and at the end of the work period. Total viable counts of microorganisms were determined; there was a significant increase in the counts at the end of the period, when compared with those obtained at the beginning. No significant difference was observed between the first and second counts obtained from the cuffs. However, differences were observed for the samples from the abdominal region. Among the isolated pathogens 11/18 were Staphylococcus aureus, 2/18 were Acinetobacter baumannii, 2/18 were Klebsiela pneumoniae and 1/18 were Serratia rubidae. Some of these isolates were multi-resistant to...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Gown; Bacteria; Hospital infection; Cross contamination.
Ano: 2004 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702004000300003
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Morbimortality study of infection in patients undergoing different types of dialysis in a renal replacement therapy center BJID
Curty,Natália Fabiane Ridão; Martins,Lucilene Fagundes da Silva; Ito,Carmen Antônia Sanches; Schafranski,Marcelo; Brites,Dorelayne Aparecida; Busato,César Roberto.
INTRODUCTION: Renal replacement therapy is the treatment of end-stage chronic kidney disease and can be performed through dialysis catheters, arteriovenous fistulas/grafts, and peritoneal dialysis. Patients are usually immunocompromised and exposed to invasive procedures, leading to high rates of infection and increased mortality.OBJECTIVES: To compare the prevalence of infection and related deaths, as well as the sensitivity profile of the putative bacteria in patients treated with peritoneal dialysis, arteriovenous fistula hemodialysis and catheter hemodialysis.METHODS: This is case-control study. Six hundred forty-four patients undergoing renal replacement therapy were selected. Patients were divided into three groups according to the modality of...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Hospital infection; Morbimortality; Renal replacement therapy center; Hemodialysis; Bacteria; Sensitivity profiles.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702014000300281
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Risk factors and evolution of Ventilator-associated pneumonia by Staphylococcus aureus sensitive or resistant to oxacillin in patients at the intensive care unit of a Brazilian University Hospital BJID
Moreira,Michel R.; Cardoso,Renata L.; Almeida,Alair B.; Gontijo Filho,Paulo P..
This study investigated the participation and risk factors of VAP by resistant (ORSA) or sensitive (OSSA) S. aureus to oxacillin and evaluated the implications of adequate or inadequate empirical antimicrobial therapeutics in its evolution in patients interned in a mixing ICU of adults. A patient control-case study with PAVs by ORSA and OSSA was carried out from May 2005 to April 2007 involving 993 patients. VAP was defined based on clinical, radiological, and microbiological (> 106 CFU/mL count in the tracheal aspirate) criteria. Four hundred and seventy four (47.7%) patients were submitted to mechanical ventilation with 141 (29.7%) VAPs, with S. aureus as the most frequent agent (41.2%). The phenotype ORSA accounted for 47.5% and OSSA for 52.5%,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Ventilator-associated pneumonia; Hospital infection; Staphylococcus aureus; Resistant microorganisms.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702008000600011
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The organization of Hospital Infection Control Committees and their importance in Brazil BJID
El Far,Fabiane; Marino,Cristiane G. J.; Medeiros,Eduardo Alexandrino Servolo.
The importance of Hospital Infection Control Committees (HICC) increases every year due to the emergence of multiresistant bacterial strains, hospital outbreaks, and other factors that cause HI. This demonstrates the fragility of the quality of hospital and medical care. Having a well-organized HICC benefits hospitals by improving quality, lowering costs and, most important, reducing patient morbidity and mortality. This review records the history of the development of HICCs, their present organizational structure, and offers recommendations for the best methods of infection surveillance.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Hospital infection; Prevention; Committee; Control; Costs; Mortality; Surveillance; Quality.
Ano: 2001 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702001000600001
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Clinical and microbiological characterization of KPC-producing Klebsiella pneumoniae infections in Brazil BJID
Beirão,Elisa Maria; Furtado,Juvencio Jose Duailibe; Girardello,Raquel; Ferreira Filho,Heli; Gales,Ana Cristina.
In 2008 isolates of KPC-producing Klebsiella pneumoniae (KPC-KPN) were detected for the first time at Hospital Heliópolis, São Paulo, Brazil. The aim of this study was to characterize the clinical and microbiological outcomes of infections caused by KPC-KPN. A historical cohort of patients from whom KPC-KPN strains were isolated was performed. Isolates were identified as resistant to ertapenem by automated broth microdilution system and screened as carbapenemase producers by the modified Hodge test. The beta-lactamase resistance gene blaKPC was detected by PCR. The genetic relatedness of isolates was determined by PFGE. The study provides early clinical experience in treating KPC-KPN infections in a Brazilian tertiary center.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Klebsiella pneumonia; KPC; Hospital infection; Carbapenemase.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702011000100013
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Use of molecular epidemiology to monitor the nosocomial dissemination of methicillin-resistant Staphylococcus aureus in a University Hospital from 1991 to 2001 BJMBR
Beretta,A.L.R.Z.; Trabasso,P.; Stucchi,R.B.; Moretti,M.L..
Methicillin-resistant Staphylococcus aureus (MRSA) has been the cause of major outbreaks and epidemics among hospitalized patients, with high mortality and morbidity rates. We studied the genomic diversity of MRSA strains isolated from patients with nosocomial infection in a University Hospital from 1991 to 2001. The study consisted of two periods: period I, from 1991 to 1993 and period II from 1995 to 2001. DNA was typed by pulsed-field gel electrophoresis and the similarity among the MRSA strains was determined by cluster analysis. During period I, 73 strains presented five distinctive DNA profiles: A, B, C, D, and E. Profile A was the most frequent DNA pattern and was identified in 55 (75.3%) strains; three closely related and four possibly related...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Methicillin-resistant Staphylococcus aureus; Molecular epidemiology; Hospital infection; Pulsed-field gel electrophoresis.
Ano: 2004 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2004000900009
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Influence of wearing time on efficacy of disposable surgical masks as microbial barrier BJM
Barbosa,Maria Helena; Graziano,Kazuko Uchikawa.
The present study evaluated the efficacy of disposable surgical masks as a microbial barrier with 95% of Bacteria Filtration Efficacy (BFE) according to the wearing time (1, 2, 4 and 6 hours). The masks showed a decrease in efficacy after a 4-hour wearing time.
Tipo: Info:eu-repo/semantics/other Palavras-chave: Surgical masks; Hospital infection; Microbial barrier.
Ano: 2006 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822006000300003
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Study of multi-drug resistant microorganisms isolated from blood cultures of hospitalized newborns in Rio de Janeiro city, Brazil BJM
Loureiro,Marcio M.; Moraes,Bianca A. de; Quadra,Maria R.R.; Pinheiro,Glenda S.; Asensi,Marise D..
The aims of this study were to determine the frequency and antimicrobial resistance patterns of microorganisms associated with sepsis cases in a public maternity hospital, and to analyze the main demographic data relating to these infected neonates over a two year period. We analyzed 255 positive blood cultures and the medical records of newborns admitted to the neonatal intensive care unit of the Hospital Maternidade Alexander Fleming II, Rio de Janeiro city, Brazil, from July 1997 to July 1999. Identification and antibiograms of the isolated strains were performed according to routine laboratory procedures. Demographics and microbiological data were analyzed using the Epi-Info program. The mean age of the newborns was 13.1 days, with an average of 1.2...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Epidemiology; Newborns; Hospital infection; Sepsis; Antimicrobial resistance.
Ano: 2002 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822002000100015
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Pathogenic factors and antimicrobial resistance of Staphylococcus epidermidis associated with nosocomial infections occurring in intensive care units BJM
Michelim,Lessandra; Lahude,Michele; Araújo,Patricia R.; Giovanaz,Dirce S. H.; Müller,Gabriela; Delamare,Ana P.L.; Costa,Sérgio Olavo Pinto da; Echeverrigaray,Sérgio.
Nosocomial infections constitute an important problem in hospitals, intensive care units (ICU) having the highest incidence of this type of infection. Staphylococci, especially Staphylococcus epidermidis and Staphylococcus aureus, are among the most important microorganisms associated with nosocomial infections. S. epidermidis is a common skin resident, and can be introduced into the clinical environment by patients and hospital staff. The situation in hospitals is aggravated by the emergence of multiresistant strains. We evaluated 98 hospital S. epidermidis isolates collected at neonatal, pediatric and adult ICUs and 20 S. epidermidis control skin resident isolates from healthy volunteers, for resistance to ten antibiotics and chemotherapeutic agents, and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Staphylococcus epidermidis; Pathogenicity factors; Antibiotic resistance; Hospital infection.
Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822005000100004
Registros recuperados: 11
Primeira ... 1 ... Última
 

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