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Registros recuperados: 112
Primeira ... 123456 ... Última
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Risk factors associated with the death of patients hospitalized for juvenile systemic lupus erythematosus BJMBR
Faco,M.M.M.; Leone,C.; Campos,L.M.A.; Febrônio,M.V.; Marques,H.H.S.; Silva,C.A..
We assessed the risk factors associated with death in patients hospitalized for juvenile systemic lupus erythematosus (JSLE) and evaluated the autopsy reports. A total of 57,159 hospitalizations occurred in our institution from 1994 to 2003, 169 of them involving 71 patients with JSLE. The most recent hospitalization of these patients was evaluated. Patients were divided into two groups based on mortality during hospitalization: those who survived (N = 53) and those who died (N = 18). The main causes of hospitalization were JSLE activity associated with infection in 52% and isolated JSLE activity in 44%. Univariate analysis showed that a greater risk of death was due to severe sepsis (OR = 17.8, CI = 4.5-70.9), systemic lupus erythematosus disease activity...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Juvenile systemic lupus erythematosus; Hospitalization; Outcome; Autopsy; Severe sepsis; Infection.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2007000700015
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Plasticity of neutrophils reveals modulatory capacity BJMBR
Perobelli,S.M.; Galvani,R.G.; Gonçalves-Silva,T.; Xavier,C.R.; Nóbrega,A.; Bonomo,A..
Neutrophils are widely known as proinflammatory cells associated with tissue damage and for their early arrival at sites of infection, where they exert their phagocytic activity, release their granule contents, and subsequently die. However, this view has been challenged by emerging evidence that neutrophils have other activities and are not so short-lived. Following activation, neutrophil effector functions include production and release of granule contents, reactive oxygen species (ROS), and neutrophil extracellular traps (NETs). Neutrophils have also been shown to produce a wide range of cytokines that have pro- or anti-inflammatory activity, adding a modulatory role for this cell, previously known as a suicide effector. The presence of cytokines almost...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Autoimmunity; Cancer; Infection; Inflammation; Neutrophil; Suppression.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2015000800665
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Treatment of a subdural empyema complicated by intracerebral abscess due to Brucella infection BJMBR
Zhang,J.; Chen,Z.; Xie,L.; Zhao,C.; Zhao,H.; Fu,C.; Chen,G.; Hao,Z.; Wang,L.; Li,W..
A 55-year-old male presented with fever, stupor, aphasia, and left hemiparesis. A history of head trauma 3 months before was also reported. Cranial magnetic resonance imaging revealed slight contrast enhancement of lesions under the right frontal skull plate and right frontal lobe. Because of deterioration in nutritional status and intracranial hypertension, the patient was prepared for burr hole surgery. A subdural empyema (SDE) recurred after simple drainage. After detection of Brucella species in SDE, craniotomy combined with antibiotic treatment was undertaken. The patient received antibiotic therapy for 6 months (two doses of 2 g ceftriaxone, two doses of 100 mg doxycycline, and 700 mg rifapentine for 6 months) that resulted in complete cure of the...
Tipo: Info:eu-repo/semantics/report Palavras-chave: Subdural empyema; Neurobrucellosis; Craniotomy; Infection; Treatment.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2017000500501
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Effect of lung resection and sham surgery on the frequency of infection in alloxan-diabetic rats BJMBR
Seidel,A.C.; Fagundes,D.J.; Bazotte,R.B.; Novo,N.F.; Juliano,Y.; Meister,H..
The present study was carried out in order to determine the effect of lung resection on the frequency of infections in alloxan-diabetic rats. Adult female Wistar rats were injected with alloxan (40 mg/kg, iv) to induce diabetes mellitus (group D; N = 45) or with vehicle (1.0 ml/kg, iv) to be used as controls (group C; N = 45). Thirty-six days after receiving alloxan both groups were randomly divided into three subgroups: no operation (NO; N = 15), sham operation (SO; N = 15), and left pneumonectomy (PE; N = 15). The rats were sacrificed 36 days after surgery and their lungs were examined microscopically and macroscopically. The occurrence of thoracic wall infection, thoracic wall abscess, lung abscess and pleural empyema was similar in groups D and C. In...
Tipo: Info:eu-repo/semantics/other Palavras-chave: Diabetes; Alloxan; Pneumonectomy; Rats; Infection.
Ano: 2003 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2003000300001
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Streptococcus iniae outbreaks in Brazilian Nile tilapia (Oreochromis niloticus L: ) farms BJM
Figueiredo,H. C. P.; Nobrega Netto,L.; Leal,C. A. G.; Pereira,Ulisses P.; Mian,Glaúcia F..
This is the first report of outbreaks of Streptococcus iniae in Nile tilapia farms in South America. Seven isolates were identified by biochemical, serological and molecular tests. Their 16S rRNA gene sequences showed 100% similarity with S. iniae ATCC 29178 and two distinct PFGE patterns were observed for Brazilian isolates.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Brazil; Infection; MIC; PFGE; Phylogenetic analysis; Tilapia.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822012000200019
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Infection and colonization by Gram-negative bacilli in neonates hospitalized in High Risk Nursery at Uberlandia Federal University Hospital: etiology, resistant phenotypes and risk factors BJM
Cezário,Renata Cristina; Ribas,Rosineide Marques; Abdallah,Vânia Olivetti Steffen; Carneiro,Claudia Lúcia; Gontijo Filho,Paulo P..
The aims of this study were to determine endemic and epidemic infection due to Gram-negative bacilli, risk factors associated with colonization and infection by these organisms and the resistance phenotypes (ESBL, AmpC) in neonates admitted in a High Risk Nursery. The study was conducted during a 21 month period and included: a prospective study to evaluate the neonates with hospital infection and the use of third-generation cephalosporins; a case-control study to determine the risk factors associated with colonization/infection. Rectal and oropharynx cultures were also performed in four opportunities (September and November 2001, February and August 2002). The isolates for which the resistance of ceftazidime was 2 mg/mL were suspected of producing ESBL or...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Infection; Colonization; Neonates; Gram-negative bacilli; Resistance phenotype.
Ano: 2004 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822004000200004
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Experimental Salmonella Gallinarum infection in light laying hen lines BJM
Berchieri Júnior,Angelo; Oliveira,Gláucia Helaine de; Pinheiro,Lucas Augusto Soeiro; Barrow,Paul A..
Although the epidemiology of fowl typhoid in chickens supposedly involves a vertical transmission stage, a previous work run by the authors has suggested that this did not happen in a commercial line of laying hens highly susceptible to systemic disease with Salmonella Gallinarum. A new experiment was carried out in two other lines of commercial layers, considerably more resistant than those used in the previous study. Clinical fowl typhoid was not observed, but Salmonella Gallinarum was isolated from the spleen and liver four weeks after infection and, sporadically, from the ovary.
Tipo: Info:eu-repo/semantics/other Palavras-chave: Salmonella Gallinarum; White Leghorn; Infection; Laying hens.
Ano: 2000 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822000000100012
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Synergistic growth effect among bacteria recovered from root canal infections BJM
Moreira Júnior,Gil; Ribeiro Sobrinho,Antônio Paulino; Bambirra,Bernardo Henrique Silva; Bambirra,Felipe Henrique Silva; Carvalho,Maria Auxiliadora Roque; Farias,Luiz Macedo; Nicoli,Jacques Robert; Moreira,Elizabeth Spangler.
The objective of this study was to determine the ecological relationships between bacterial species that colonize infected root canals. Root canal bacteria recovered from one patient with pulp canal necrosis were evaluated in vitro for synergistic and antagonistic activities determined by mono and co-culture growth kinetics and the production of bacteriocin-like substances using the double layer diffusion method. Peptostreptococcus prevotii triggered a significant increase of Fusobacterium nucleatum growth, while the former bacteria did not affect the growth of P. prevotii. The bacterial species did not produce antagonism activity against itself or against any of the other two species. Despite many studies have demonstrated the capability of root canal...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Root canal; Infection; Bacterial relationships.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822011000300017
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Torque teno virus among dialysis and renal-transplant patients BJM
Takemoto,Angélica Yukari; Okubo,Patrícia; Saito,Patricia Keiko; Yamakawa,Roger Haruki; Watanabe,Maria Angélica Ehara; Veríssimo da Silva Junior,Waldir; Borelli,Sueli Donizete; Bedendo,João.
Patients who undergo dialysis treatment or a renal transplant have a high risk of blood-borne viral infections, including the Torque teno virus (TTV). This study identified the presence of TTV and its genome groups in blood samples from 118 patients in dialysis and 50 renal-transplant recipients. The research was conducted in a hospital in the city of Maringá, state of Paraná. The viral DNA, obtained from whole blood, was identified by using two nested Polymerase Chain Reactions (PCR). The frequencies of TTV were 17% and 36% in dialysis patients using the methodology proposed by Nishizawa et al. (1997) and Devalle and Niel (2004), respectively, and 10% and 54% among renal-transplant patients. There was no statistically significant association between the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Torque teno virus; Renal dialysis; Kidney transplant; Infection.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822015000100307
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Effects of Haemonchus contortus infection on sodium status of sheep Ciência Rural
Ortolani,Enrico Lippi.
Eight five-month-old male lambs received a diet with marginal levels of sodium (0.5 g Na/kg DM); four lambs were given a single dose of infective Haemonchus contortus larvae (4,600 L3/ head) and four were kept uninfected. The lambs were slaughtered 30 days after the infection. Sodium concentration was determined in the abomasal fluid at the slaughter. The balance between intake and faecal excretion of sodium was evaluated. Saliva was collected at days zero, 20 and 30 to determine the Na:K ratio. The mean total worm burden retrieved was 1390. The infection increased abomasal sodium concentration (p< 0.001) and reduced faecal sodium excretion (p<0.02), but there was not a significant relationship between worm burden and abomasal (p >0.082) or faecal...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Haemonchus contortus; Infection; Sheepj; Sodium; Balance; Deficiency.
Ano: 2000 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782000000300026
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Multiparasitism in gills of Metynnis lippincottianus from the environmental protection area of Curiaú river, Eastern Amazon Ciência Rural
Carvalho,Abthyllane Amaral de; Ferreira,Roger Leomar da Silva; Araújo,Priscila Gomes de; Negrão,Márcio Charles da Silva; Videira,Marcela Nunes.
ABSTRACT: The high fish diversity of the Amazon has been the subject of study for several research projects because of the importance of its ecosystems. The Environmental Protection Area of the Curiaú River is composed of permanent and temporary lakes within the floodplain forests, favoring a rich diversity of fish species. Pratinha. (Metynnis lippincottianus) is an ornamental fish, widely distributed throughout Brazil and French Guiana. Fish parasites may reflect the environmental quality, as well as the habits of their host. Considering the importance of understanding and contributing to the expansion of studies on fish parasites, the present study aimed to investigate the gills of Metynnis lippincottianus from the Curiaú River basin in the municipality...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Ornamental fish; Parasitic fauna; Infection.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782019000600501
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Isolation and characterization of Streptococcus spp. group B in Nile tilapias (Oreochromis niloticus) reared in hapas nets and earth nurseries in the northern region of Parana State, Brazil Ciência Rural
Salvador,Rogério; Muller,Ernst Eckehardt; Freitas,Julio César de; Leonhadt,Julio Hermann; Pretto-Giordano,Lucienne Garcia; Dias,Juliana Alves.
The objective of this study was to isolate and characterize Streptococcus spp. in Nile tilapias (Oreochromis niloticus) reared in net-pens and earth nurseries. Eight intensive tilapia-rearing farms were investigated in north Paraná, Brazil from April 1st 2001 to April 30th 2002. The fish were reared in a system of hapas nets on four farms and in earth nurseries on other four farms. A total of 370 samples were analyzed of material collected from 120 fish (brain, liver, kidney, skin scrapes, ascites liquid and eye) that were sown on BHI agar (Brain Heart Infusion) supplemented with 1% yeast extract and sheep blood. Streptococcus spp. was isolated in 36 of the samples (18 brain, eight liver, eight kidney and two ascites liquid) from 25 fish. Streptococci were...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Pisciculture; Streptococci; Infection; Bacteriology.
Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782005000600023
Registros recuperados: 112
Primeira ... 123456 ... Última
 

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