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Search Results: 1 - 10 of 27362 matches for " Adriana Cristina "
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About group digital signatures
Adriana Cristina Enache
Journal of Mobile, Embedded and Distributed Systems , 2012,
Abstract: Group signatures try to combine security (no framing, no cheating) and privacy(anonymity, unlinkability).A group digital signature is a digital signature with enhanced privacy features that allows members of a given group to anonymously sign messages on behalf of the group, producing a group signature. However, in the case of dispute the identity of the signature's originator can be revealed by a designated entity (group manager). The present paper describes the main concepts about group signatures, along with a brief state of the art and shows a personal cryptographic library implemented in Java that includes two group signatures.
Epidemiological Characteristics, Resistance Patterns and Spread of Gram-Negative Bacteria Related to Colonization of Patients in Intensive Care Units  [PDF]
Quésia Souza Damaceno, Jacques Nicoli, Adriana Cristina Oliveira
Advances in Infectious Diseases (AID) , 2015, DOI: 10.4236/aid.2015.51002
Abstract: Our aim was to determine the epidemiological characteristics, the resistance patterns and the spread of Gram negative bacteria related to colonization of patients in adult Intensive Care Units. Methods: A prospective cohort of patients colonized and/or infected with Gram negative bacteria was conducted at two adult ICUs from hospitals in Brazil (April 2012 to February 2013). Nasal, groin and perineum swabs were performed. Samples were incubated on MacConkey and cetrimide agar (48 h at 37) and identification tests (Vitek-BioMérieux), antibiogram (Bauer-Kirby method), Carba NP test, Polymerase Chain Reaction (PCR) and sequencing were performed. The patterns of resistant microorganisms were compared by rep-PCR (Diversilab). Results: There were 53 cases of colonization. In these cases, we identified imipenem-resistant Acinetobacter baumannii (51%), Pseudomonas aeruginosa (32%), Klebsiella pneumoniae ESBL (38%) or imipenem resistant (5.6%). The use of antimicrobials and medical devices were related to colonization (p < 0.05). The resistance patterns expressed by Klebsiella
Fatores de risco físicos e organizacionais associados a distúrbios osteomusculares relacionados ao trabalho na indústria têxtil
Melzer, Adriana Cristina de Souza;
Fisioterapia e Pesquisa , 2008, DOI: 10.1590/S1809-29502008000100004
Abstract: work-related musculoskeletal disorders (wrmd) affect workers in several occupations and are one of the major health problems in many countries. this study was developed in two sectors of a textile industry, one of them being technologically more advanced. the objectives were to identify physical and organizational risk factors associated to wrmd in the two sectors and estimate prevalence of pain among these workers. the workplace and working activity of 12 individuals were observed on ergonomic grounds, and 50 workers answered a questionnaire. the following physical risk factors were identified: awkward shoulder postures, standing work position, repetitive movements, and unfavourable environmental features. main organizational risk factors identified were: intense work pace, uneven and repetitive tasks, absence of pauses and impossibility of communication with peers. pain symptoms prevalence of 60% and 76% was found in the two sectors. conclusion shows that investments in technology that do not follow changes in work condition and organization may result in maintenance or aggravation of risk situations associated to wrmd.
Aspectos epidemiológicos da ocorrência do Enterococcus resistente a Vancomicina
Oliveira, Adriana Cristina;Bettcher, Ledna;
Revista da Escola de Enfermagem da USP , 2010, DOI: 10.1590/S0080-62342010000300025
Abstract: this descriptive study was conducted in a public hospital from may 2005 to october 2007, with the purpose to determine the epidemiological aspects that involve vancomycin-resistant enterococci (vre) and describe the evolution of patients. |the data was obtained from registers on patient records and then processed in spss. frequency distribution and measures of central tendency were used. a total 122 patients participated of the study, the majority were males with an average age of 43 years (sd= 18.8), and 16.3% developed vre infection. vancomycin has been the most used antibiotic (62,3%), 97.5% used invasive procedures, 45.0% were dependent on intensive care nursing, 77.9% had at least one open wound and 50.8% progressed to death. the data suggests that recommendations for bacterial resistance control should be encouraged to reduce mortality, morbidity, hospital costs and thus provide better quality care to patients.
Estudante universitário: características e experiências de forma o
Adriana Cristina Boulho?a Suehiro
Psico-USF , 2004, DOI: 10.1590/s1413-82712004000100013
Quest es do cotidiano universitário
Adriana Cristina Boulho?a Suehiro
Psico-USF , 2006, DOI: 10.1590/s1413-82712006000100015
La TV digital en Brasil: seudo-inclusión, interactividad y la no aceptación de la sociedad
Adriana Cristina Omena Dos Santos
La Mirada de Telemo , 2009,
Abstract: El texto ofrece información acerca del despliegue de la televisión digital en Brasil y su aceptación, y las posiciones de la prensa y de la sociedad civil sobre el tema. La propuesta es verificar y analizar las posiciones de los diversos grupos de presión en el contexto de la aprobación de la selección del estándar japonés, que culminó con la lentitud en la implantación de la TVD en Brasil, sin un previo y necesario debate político, ello dio lugar a cambios en el marco normativo nacional hasta el punto de ser incompatible con los medios de comunicación convergentes.
Changes in Serum Lipids and Blood Glucose in Non Diabetic Patients with Metabolic Syndrome after Mixed Meals of Different Composition
Adriana Branchi,Adriana Torri,Cristina Berra,Emanuela Colombo,Domenico Sommariva
Journal of Nutrition and Metabolism , 2012, DOI: 10.1155/2012/215052
Abstract: Aims. To investigate the postprandial changes in serum lipoproteins and blood glucose and to verify whether different nutrient composition of the meal elicits different response in patients with (MetS
Monitora??o da ades?o à higieniza??o das m?os: uma revis?o de literatura
Oliveira, Adriana Cristina de;Paula, Adriana Oliveira de;
Acta Paulista de Enfermagem , 2011, DOI: 10.1590/S0103-21002011000300016
Abstract: surveys conducted show a lack of standardized methods for assessing the adherence of health professionals to the practice of hand hygiene. therefore, this review aimed to identify the different methods used to assess adherence to this practice found within the literature, referenced by the following query databases - latin american and caribbean health sciences, medical analysis retrieval system online scientific electronic library online. a total of 210 studies were identified, among which 34 were selected articles published between the years 2001 to 2010. the study presents the different methods used to conduct the evaluation of adherence to hand hygiene procedures and highlights their strengths and weaknesses, in order to subsidize the critical analysis on the part of health professionals, to facilitate the choice of the most appropriate method for each institution and reality.
Descoloniza??o de portadores de Staphylococcus aureus: indica??es, vantagens e limita??es
Oliveira, Adriana Cristina de;Paula, Adriana Oliveira de;
Texto & Contexto - Enfermagem , 2012, DOI: 10.1590/S0104-07072012000200025
Abstract: the objective of this article was to establish the main indications, advantages and limitations of the decolonization of patients with staphylococcus aureus. an integrative literature review was performed on the lilacs, medline, science direct, scopus and isi web of knowledge databases for articles published after 1999. the main indications for decolonization pertained to high-risk patients (admitted to the icu, post-operative, long stay, etcetera). the advantages were based on the eradication of the microorganism, reducing infection rates and the spread of the microorganism. the observed controversies were due to the possibility of increasing bacterial resistance and lack of scientific evidence regarding the effectiveness of the eradication of the colonizing microorganism, as well as reducing infection rates. thus, it was observed that decolonization should not be indicated routinely; rather, it should only be recommended for patients at risk and during outbreaks.
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