Signed: Agostinho Albano da Silveira Pinto, Augusto Xavier Palmeirim, Carlos Bento da Silva. Book.
0000 - Gale Group | The Making of Modern World

Thiago Marques Fidalgo, Evelyn D Silveira, Dartiu Xavier da Silveira,
Alcohol use is apparently related to high prevalences of psychiatric comorbidity, although scientific studies focusing the problem among adolescents are still lacking.To evaluate the performance of adolescents with different patterns of alcohol use on screening instruments for psychiatric disorders.Forty-one adolescents seeking assistance for alcohol-related problems were compared to a nonclinical sample of 43 adolescents. These 84 users were divided in three sub-groups according to pattern of recent ...
Tópico(s): Prenatal Substance Exposure Effects
2007 - Taylor & Francis | The American Journal of Drug and Alcohol Abuse

M.C. Di Pietro, Evelyn Doering-Silveira, Maria Paula T. Oliveira, Leonardo Quicoli Rosa-Oliveira, Dartiu Xavier da Silveira,
The use of alcohol and other drugs among medical students has been a theme of growing interest and concern on the part of researchers, teaching institutions and medical associations since the decade of the 1960's.Recent use of alcohol, tobacco, tranquillisers, amphetamines, cannabis, organic solvents, and cocaine among 456 medical students was surveyed.Assessment was done by means of a self-report questionnaire according to World Health Organisation guidelines.Among medical students, after alcohol ...
Tópico(s): Substance Abuse Treatment and Outcomes
2006 - Elsevier BV | Addictive Behaviors

Simone Meneghetti Zatta, Mariel Mendez, Juliana Doering Xavier da Silveira, Leonardo Maringolo, CONRADO TAZIMA NITTA, Dartiu Xavier da Silveira, Thiago Marques Fidalgo,
BACKGROUND: The Brown Attention-Deficit Disorder Scale (BADDS) was developed as a self-report assessment that was designed to screen for presence of symptoms of attention deficit hyperactivity disorder (ADHD). The objective here was to translate and validate the adult self-report BADDS for use in Brazil. DESIGN AND SETTING: Cross-cultural validation study conducted in an addiction unit at a public university hospital. METHODS: This study included a control group (n = 100) and a drug-user group (n = 100). ...
Tópico(s): Bipolar Disorder and Treatment
2018 - Medical Association of São Paulo | Sao Paulo Medical Journal

Evelyn Doering-Silveira, Charles S. Grob, Marlene Dobkin de Ríos, Enrique López, Luisa K. Alonso, Cristiane Tacla, Dartiu Xavier da Silveira,
Abstract Ritual use of ayahuasca within the context of the Brazilian ayahuasca churches often starts during late childhood or early adolescence. Premature access to psychoactive drugs may represent a risk factor for drug misuse. Conversely, religious affiliation seems to play a protective role in terms of substance abuse. The objective of this study was to describe patterns of drug use in a sample of adolescents using ayahuasca within a religious setting. Forty-one adolescents from a Brazilian ayahuasca ...
Tópico(s): Cannabis and Cannabinoid Research
2005 - Taylor & Francis | Journal of Psychoactive Drugs

Evelyn Doering-Silveira, Enrique López, Charles S. Grob, Marlene Dobkin de Ríos, Luisa K. Alonso, Cristiane Tacla, Itiro Shirakawa, Paulo Henrique Ferreira Bertolucci, Dartiu Xavier da Silveira,
Abstract The purpose of the study was to evaluate neuropsychologically adolescents who use ayahuasca in a religious context. A battery of neuropsychological tests was administered to adolescents who use ayahuasca. These subjects were compared to a matched control group of adolescents who did not use ayahuasca. The controls were matched with regards to sex, age, and education. The neuropsychological battery included tests of speeded attention, visual search, sequencing, psychomotor speed, verbal ...
Tópico(s): Neuroscience and Neuropharmacology Research
2005 - Taylor & Francis | Journal of Psychoactive Drugs

Juliana Doering-Silveira, Thiago Marques Fidalgo, Carolina Nascimento, Juliana Mariano Alves, Caroline Lumy Seito, Maria Grazia Saita, Lorenza Oliveira Belluzzi, Laila Paula Sousa Camilo Silva, Dartiu Xavier da Silveira, Leonardo Quicoli Rosa-Oliveira,
Alcohol misuse is generally not detected in hospital settings. The goal of this study was to estimate the prevalence of alcohol abuse and dependence in hospitalized patients in a university hospital in Sao Paulo (Brazil). Patients were randomly selected from all hospital admissions. The final sample consisted of 169 adult inpatients. Two screening tools were used: the Short Alcohol Dependence Data (SADD) and the CAGE questionnaires. In this sample, 25.4% of patients could be considered alcohol dependent ...
Tópico(s): Alcohol Consumption and Health Effects
2014 - Multidisciplinary Digital Publishing Institute | International Journal of Environmental Research and Public Health

Mauro Barbosa Terra, Dartiu Xavier da Silveira, Taís de Campos Moreira, Maristela Ferigolo, Cláudia Galvão Mazoni, Fernanda Xavier Arena, Helena Maria Tannhauser Barros,
OBJECTIVE: This work was designed to validate the Portuguese version of the Contemplation Ladder, whose purpose is to assess the motivational phase to quit smoking among tobacco users using a telephone service. METHOD: A cross-sectional study was conducted in a nationwide drug use information hotline. In order to assess the convergent validation, the correlation between the Contemplation Ladder and the URICA Scale was calculated, which was previously validated. RESULTS: The study included 271 tobacco ...
Tópico(s): Obesity, Physical Activity, Diet
2009 - UNIVERSIDADE FEDERAL DO RIO DE JANEIRO | Jornal Brasileiro de Psiquiatria

Francisco Carlos Machado Rocha, Sérgio Carlos Stefano, R. DE CÁSSIA HAIEK, LM Oliveira, Dartiu Xavier da Silveira,
This paper aims to evaluate the anti-emetic efficacy of cannabinoids in cancer patients receiving chemotherapy using a systematic review of literature searched within electronic databases such as PUBMED, EMBASE, PSYCINFO, LILACS, and 'The Cochrane Collaboration Controlled Trials Register'. Studies chosen were randomized clinical trials comprising all publications of each database until December 2006. From 12 749 initially identified papers, 30 fulfilled the inclusion criteria for this review, with ...
Tópico(s): Drug-Induced Hepatotoxicity and Protection
2008 - Wiley | European Journal of Cancer Care

Maria Angela M. Marques, Ana Gisele C. Neves‐Ferreira, Erika K. Xavier da Silveira, Richard H. Valente, Alexander Chapeaurouge, Jonás Perales, Renato da Silva Bernardes, Karen M. Dobos, John S. Spencer, Patrick J. Brennan, María Cristina Vidal Pessolani,
Abstract The complete sequence of the Mycobacterium leprae genome, an obligate intracellular pathogen, shows a dramatic reduction of functional genes, with a coding capacity of less than 50%. Despite this massive gene decay, the leprosy bacillus has managed to preserve a minimal gene set, most of it shared with Mycobacterium tuberculosis , allowing its survival in the host with ensuing pathological manifestations. Thus, the identification of proteins that are actually expressed in vivo by M. leprae ...
Tópico(s): Tuberculosis Research and Epidemiology
2008 - Wiley | PROTEOMICS

Monica Di Pietro, Dartiu Xavier da Silveira,
OBJECTIVE: To adapt the Body Shape Questionnaire for use in the Brazilian population; to study the internal validity and the dimensionality of the scale when used in a non- clinical Brazilian population. METHOD: A cross- sectional study was accomplished comprising 164 students in the first 3 years of the School of Medicine conveniently selected at the Universidade Federal de São Paulo. The 34- item Body Shape Questionnaire version and a questionnaire to assess demographic and anthropometric information ...
Tópico(s): Consumer Perception and Purchasing Behavior
2008 - Associação Brasileira de Psiquiatria | Brazilian Journal of Psychiatry

Dartiu Xavier da Silveira, Leonardo Quicoli Rosa-Oliveira, Monica Di Pietro, Marcelo Niel, Evelyn Doering-Silveira, Miguel Jorge,
Recent use of psychoactive substances among 456 medical students throughout the six grades was surveyed by way of a self-report questionnaire using World Health Organisation criteria. Among male medical students, the most frequently used substances were alcohol (80.5%), cannabis (25.3%), solvents (25.2%), and tobacco (25.2%), whereas among female students the most frequently used drugs were alcohol (72.6%), tobacco (14.6%), solvents (10.5%), and tranquillizers (7.5%). Switch from illegal to legal drugs ...
Tópico(s): Public Health Policies and Education
2007 - Elsevier BV | Addictive Behaviors

Delma Perpétua Oliveira de Souza, Dartiu Xavier da Silveira Filho,
Foi realizado um estudo transversal, de base populacional, para determinar a prevalência do uso recente de substâncias psicoativas em uma amostra probabilística de 798 adolescentes trabalhadores e de 1.493 não trabalhadores, matriculados na rede estadual de educação básica da área urbana de Cuiabá, Brasil. Um questionário de autopreenchimento foi aplicado em sala de aula, indagando sobre aspectos sociodemográficas, sociais e o consumo de substâncias psicoativas. Definiu-se uso recente como consumo ...
Tópico(s): Homelessness and Social Issues
2007 - ASSOCIAÇÃO BRASILEIRA DE SAÚDE COLETIVA | Revista Brasileira de Epidemiologia

Desirée Rosa Cavalcanti, Esther Goldenberg Birman, Dante Antônio Migliari, Fernando Ricardo Xavier da Silveira,
Burning mouth syndrome (BMS) is a complex disease of unknown cause. It is characterized by a burning sensation in the oral mucosa, notwithstanding its clinical normal aspect. BMS is particularly seen in postmenopausal women. The purpose of this study was to investigate this syndrome on a clinical basis and, in addition, to analyze its possible relation to the frequency of Candida species. Thirty-one patients (28 women and 3 men; 13 Caucasians and 18 non-Caucasians; mean age = 61.3, range 30-85 years) ...
Tópico(s): Oral Health Pathology and Treatment
2007 - Fundação Odontológica de Ribeirão Preto | Brazilian Dental Journal

Mauro Barbosa Terra, Helena Maria Tannhauser Barros, Aírton Tetelbom Stein, Ivan Figueira, Luciana Dias Athayde, Lucas Spanemberg, Marianne Possa, Ledo Daruy Filho, Dartiu Xavier da Silveira,
This study investigates the impact of social phobia on adherence to and outcomes 6 months following standard alcohol treatment and Alcoholics Anonymous (AA) group meetings among alcohol-dependent patients with and without social phobia. In a cohort study, 300 detoxified alcohol-dependent individuals in Porto Alegre, Brazil, were interviewed during, as well as 3 and 6 months after hospital detoxification. At both follow-up points, treatment adherence was low and relapse rates were high among patients ...
Tópico(s): Mind wandering and attention
2006 - Elsevier BV | Journal of Substance Abuse Treatment

Franck Biet, Maria Angela M. Marques, Maggy Grayon, Erika K. Xavier da Silveira, Patrick J. Brennan, Hervé Drobecq, Dominique Raze, María Cristina Vidal Pessolani, Camille Locht, Franco D. Menozzi,
Tópico(s): Bacteriophages and microbial interactions
2006 - Elsevier BV | Microbes and Infection

Dartiu Xavier da Silveira, Evelyn Doering-Silveira, Marcelo Niel, Miguel Jorge,
Craving for cocaine seems to play an important role in the continued use of and dependence on the substance.to describe characteristics of the craving phenomenon in a sample of cocaine users and to identify those that could predict the appearance of the phenomenon.205 cocaine users attending an outpatient clinic were interviewed to assess patterns of drug consumption and characteristics of craving for the drug.Subjects were mostly young (24.8+/-12.8 years) and male (86.2%). One hundred and two subjects ( ...
Tópico(s): Cannabis and Cannabinoid Research
2006 - Elsevier BV | Addictive Behaviors

Mauro Barbosa Terra, Helena Maria Tannhauser Barros, Aírton Tetelbom Stein, Ivan Figueira, Luciana Dias Athayde, Marcelo de S Gonçalves, Letícia P Tergolina, Joana S Rovani, Dartiu Xavier da Silveira,
Liebowitz Social Anxiety Scale is an instrument used to evaluate the severity of social phobia. It has been widely used in different contexts and cultures, presenting variable psychometric properties. The objective of this article is to investigate the internal consistency and the factor structure of this scale.In a sample of 300 alcoholic patients hospitalized in 3 mental clinics in Southern Brazil, 74 of them were social phobics (24.6%). The Structured Clinical Interview for DSM-IV-Axis I Disorders - ...
Tópico(s): Child and Adolescent Psychosocial and Emotional Development
2006 - Associação Brasileira de Psiquiatria | Brazilian Journal of Psychiatry

Fernanda Gonçalves Moreira, Dartiu Xavier da Silveira, Sérgio Baxter Andreoli,
OBJETIVO: Investigar situações, atitudes e comportamentos dos coordenadores pedagógicos das escolas municipais de ensino fundamental relacionados ao uso indevido de substâncias psicoativas. MÉTODOS: Estudo realizado na cidade de São Paulo, em 2002. As informações foram colhidas por meio de entrevista semi-estruturada, com oito informantes-chave locados em setor administrativo e com experiência de coordenação pedagógica. Foi realizada a análise qualitativa de conteúdo, com o referencial etnográfico. ...
Tópico(s): Youth, Drugs, and Violence
2006 - UNIVERSIDADE DE SÃO PAULO | Revista de Saúde Pública

Mauro Barbosa Terra, Helena Maria Tannhauser Barros, Aírton Tetelbom Stein, Ivan Figueira, Miguel Jorge, Luiz Henrique Palermo, Luciana Dias Athayde, Marcelo S. Gonçalves, Lucas Spanemberg, Marianne A. Possa, Ledo Daruy Filho, Dartiu Xavier da Silveira,
Although the frequency of social phobia is high among alcoholic patients, this anxiety disorder is often neglected because treatment tends to be focused exclusively on alcohol dependence.A total of 300 hospitalized alcoholic patients were interviewed using Structured Clinical Interview for the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition and Liebowitz Social Anxiety Scale as well a questionnaire to check the use of medication for social phobia among alcoholics and the relationship ...
Tópico(s): Child and Adolescent Psychosocial and Emotional Development
2006 - Elsevier BV | Comprehensive Psychiatry

Fernanda Gonçalves Moreira, Dartiu Xavier da Silveira, Sérgio Baxter Andreoli,
Este trabalho tem por objetivo revisar os modelos de prevenção do uso indevido de drogas em ambiente escolar, relacionando-os aos conceitos de "promoção de saúde" e "escola promotora de saúde", e propor um modelo de intervenção. Os modelos de intervenção são múltiplos, os resultados provenientes das avaliações de impacto são modestos. As abordagens preventivas mais promissoras ampliam o campo de intervenções para o ambiente físico e social, enfocando a saúde como um todo, aproximando-se do conceito ...
Tópico(s): Youth, Drugs, and Violence
2006 - ASSOCIAÇÃO BRASILEIRA DE SAÚDE COLETIVA | Ciência & Saúde Coletiva

Roberta Xavier da Silveira, A. C. de S. Chagas, Mariana Borges Botura, Maria José Moreira Batatinha, Luciana Morita Katiki, C. O. Carvalho, Cláudia Maria Leal Bevilaqua, Alexsandro Branco, E.A.A. Machado, Simone L. Borges, Maria Ângela Ornelas de Almeida,
Active compounds from Agave sisalana with antiparasitic action against gastrointestinal nematodes (GINs) could be an alternative to diversify the range of parasite management methods in the livestock sector. The objective of this study was to evaluate the in vitro action of A. sisalana extract on the development of sheep and goat GINs. The extract, obtained from shredded sisal leaves, was utilized at various concentrations in the egg hatch test (EHT), larval development test (LDT), larval feeding inhibition ...
Tópico(s): Coccidia and coccidiosis research
2012 - Elsevier BV | Experimental Parasitology

Dartiu Xavier da Silveira, Charles S. Grob, Marlene Dobkin de Ríos, Enrique López, Luisa K. Alonso, Cristiane Tacla, Evelyn Doering-Silveira,
Abstract Ayahuasca is believed to be harmless for those (including adolescents) drinking it within a religious setting. Nevertheless controlled studies on the mental/ psychiatric status of ritual hallucinogenic ayahuasca concoction consumers are still lacking. In this study, 40 adolescents from a Brazilian ayahuasca sect were compared with 40 controls matched on sex, age, and educational background for psychiatric symptomatology. Screening scales for depression, anxiety, alcohol consumption patterns ( ...
Tópico(s): Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes
2005 - Taylor & Francis | Journal of Psychoactive Drugs

Simone Villas Boas de Carvalho, Silvia Teresa Collakis, Maria Paula Magalhães Tavares de Oliveira, Dartiu Xavier da Silveira,
OBJETIVO: Investigar a freqüência de jogo patológico entre dependentes de álcool e/ou outras drogas que procuraram tratamento em serviço especializado. MÉTODOS: Foram entrevistados 74 pacientes de três serviços especializados em tratamento de farmacodependência. Para diagnóstico de jogo patológico foi utilizada a escala SOGS (South Oaks Gambling Screen). O diagnóstico de dependência de álcool e de outras drogas foi estabelecido a partir dos critérios do DSM-IV e da escala SADD (Short Alcohol Dependence ...
Tópico(s): Schizophrenia research and treatment
2005 - UNIVERSIDADE DE SÃO PAULO | Revista de Saúde Pública

Maria Beatriz Ferrari Borges, Christina M Morgan, Angélica Medeiros Claudino, Dartiu Xavier da Silveira,
OBJECTIVE: The present paper describes the validation of the Questionnaire on Eating and Weight Patterns-Revised (QEWP-R) designed for the diagnosis of binge eating disorder (BED) and sub-clinical binge eating. METHODS: 89 overweight women seeking treatment for binge eating and/or obesity were assessed with the Portuguese version of the Questionnaire of Eating and Weight Patterns and were, subsequently, interviewed with the eating disorders module of the Structured Clinical Interview for DSM-IV (SCID- ...
Tópico(s): Obsessive-Compulsive Spectrum Disorders
2005 - Associação Brasileira de Psiquiatria | Brazilian Journal of Psychiatry

Delma Perpétua Oliveira de Souza, Kelsy Catherina Nema Areco, Dartiu Xavier da Silveira Filho,
OBJETIVO: Estimar a prevalência de consumo de álcool e do alcoolismo entre estudantes adolescentes trabalhadores e não trabalhadores. MÉTODOS: Estudo transversal, realizado por amostragem estratificada sistemática, composta por 993 adolescentes trabalhadores e 1.725 não-trabalhadores. Foram incluídos os estudantes matriculados em 1998, na rede estadual de ensino de Cuiabá, MT. Aplicou-se, em sala de aula, um questionário de auto-preenchimento anônimo. Utilizou-se as análises univariada, bivariada ...
Tópico(s): Homelessness and Social Issues
2005 - UNIVERSIDADE DE SÃO PAULO | Revista de Saúde Pública

John Dunn, Ronaldo Laranjeira, Dartiu Xavier da Silveira, Maria O. S. Lúcia Formigoni, Cleusa P. Ferri,
Unsubstantiated reports suggest that the availability and use of crack are increasing in Sao Paulo. To investigate this claim we used the databases from two outpatient clinics for drug users at a public hospital and examined the changes in the reported routes of administration of cocaine among 245 patients who had attended between 1990 and 1993. The proportion reporting crack use increased from 17% in 1990 to 64% in 1993 (p <. 01). It does not seem that this increase was simply due to changes in demographic ...
Tópico(s): Homelessness and Social Issues
1996 - Taylor & Francis | Substance Use & Misuse

Maria Angela M. Marques, Benjamin J. Espinosa, Erika K. Xavier da Silveira, María Cristina Vidal Pessolani, Alex Chapeaurouge, Jonás Perales, Karen M. Dobos, John T. Belisle, John S. Spencer, Patrick J. Brennan,
Abstract Recently the sequence of the Mycobacterium leprae chromosome, the only known obligate intracellular mycobacterium, was completed. It has a dramatic reduction in functional genes, with a coding capacity of only 49.5%, the lowest one so far observed among bacterial genomes. The leprosy bacillus seems to preserve a minimal set of genes that allows its survival in the host. The identification of genes that are actually expressed by the bacterium is of high significance in the context of mycobacterial ...
Tópico(s): Tuberculosis Research and Epidemiology
2004 - Wiley | PROTEOMICS
Sibele Sarti Penha, Esther Goldenberg Birman, Fernando Ricardo Xavier da Silveira, Claudete Rodrigues Paula,
The so called erithematous stomatitis is frequently observed in denture wearers, being local factors, mainly related to the presence of yeasts, considered important for its development. Having these aspects in mind, we evaluated edentulous patients with and without denture stomatitis (DS), identifying the yeasts obtained from the palate, and determining the relative level of the proteinase and phospholipase exo-enzymes produced by C. albicans. The results suggested that C. albicans was the most frequent ...
Tópico(s): Oral health in cancer treatment
2000 - UNIVERSIDADE DE SÃO PAULO | Pesquisa Odontológica Brasileira
Aline Xavier da Silveira dos Santos, Isabelle Riezman, Auxiliadora Aguilera-Romero, Fabrice David, Manuele Piccolis, Robbie Loewith, Olivier Schaad, Howard Riezman,
The regulatory pathways required to maintain eukaryotic lipid homeostasis are largely unknown. We developed a systematic approach to uncover new players in the regulation of lipid homeostasis. Through an unbiased mass spectrometry-based lipidomic screening, we quantified hundreds of lipid species, including glycerophospholipids, sphingolipids, and sterols, from a collection of 129 mutants in protein kinase and phosphatase genes of Saccharomyces cerevisiae. Our approach successfully identified known ...
Tópico(s): Lipid metabolism and biosynthesis
2014 - American Society for Cell Biology | Molecular Biology of the Cell